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Jenab, Kouroush, Nikita Ottosen, and Saeid Moslehpour. "Application of scenario-driven hazard analysis in the solid rocket booster." International Journal of Engineering & Technology 5, no. 1 (January 7, 2016): 16. http://dx.doi.org/10.14419/ijet.v5i1.4673.
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Bibliographical Notes: Kouroush Jenab is a senior member of IEEE, received the B.Sc. degree from the IE Department at Isfahan University of Technology (1989), the M.Sc. degree from the IE Department at Tehran Polytechnic (1992), and the Ph.D. degree from the Department of Mechanical Engineering at the University of Ottawa (2005). He served as a senior engineer/manager in auto, and high-tech industries for 18 years. He joined the National Research Council Canada as a research officer where he participated in several international research projects. In 2006, he joined the Department of Mechanical and Industrial Engineering at Ryerson University, Toronto as assistant professor. Currently, Dr. Jenab is Faculty of the College of Aeronautics at Embry-riddle Aeronautical University, FL, USA. He has published over 110 papers in international scientific journals based on his experiences in industries.Nikita Ottosen is a current Systems Engineering graduate student at Embry-Riddle Aeronautical University. She received her undergraduate degree from ERAU in Aeronautics and is currently working as an Assistant Campus Director at the Crestview, FL campus. She gained valuable knowledge previously working for the Boeing Company and Seattle-Tacoma International Airport, known as The Port of Seattle, in Seattle, Washington. During her time at The Port of Seattle she worked alongside the Wildlife Management department to conduct a study on effective wildlife management strategies. Her study will become a part of a future Airport Cooperative Research Program (ACRP) publication, sponsored by the FAA’s Transportation Research Board of the National Academies.Saeid Moslehpour is a full professor and department chair in the Electrical and Computer Engineering Department in the College of Engineering, Technology, and Architecture at the University of Hartford. He holds Ph.D. (1993) from Iowa State University and Bachelor of Science (1989) and Master of Science (1990) degrees from University of Central Missouri. His research interests include failure analysis, logic design, CPLDs, FPGAs, Embedded electronic system testing and distance learning.
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Chumbley, L. S., M. Meyer, K. Fredrickson, and F. C. Laabs. "Outreach Opportunities Using the Instructional SEM at Iowa State University." Proceedings, annual meeting, Electron Microscopy Society of America 54 (August 11, 1996): 412–13. http://dx.doi.org/10.1017/s0424820100164520.
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The development of a scanning electron microscope (SEM) suitable for instructional purposes has created a large number of outreach opportunities for the Materials Science and Engineering (MSE) Department at Iowa State University. Several collaborative efforts are presently underway with local schools and the Department of Curriculum and Instruction (C&I) at ISU to bring SEM technology into the classroom in a near live-time, interactive manner. The SEM laboratory is shown in Figure 1.Interactions between the laboratory and the classroom use inexpensive digital cameras and shareware called CU-SeeMe, Figure 2. Developed by Cornell University and available over the internet, CUSeeMe provides inexpensive video conferencing capabilities. The software allows video and audio signals from Quikcam™ cameras to be sent and received between computers. A reflector site has been established in the MSE department that allows eight different computers to be interconnected simultaneously. This arrangement allows us to demonstrate SEM principles in the classroom. An Apple Macintosh has been configured to allow the SEM image to be seen using CU-SeeMe.
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Kroeger, Dennis, Steve Andrle, and Peter Hallock. "Coordination of Transit and School Busing in Iowa." Transportation Research Record: Journal of the Transportation Research Board 1927, no. 1 (January 2005): 2–10. http://dx.doi.org/10.1177/0361198105192700101.
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The 2003 Iowa General Assembly asked the Iowa Department of Transportation (DOT) to conduct a study of Iowa public policy on coordination of public transit services and school transportation. The legislature's request, contained in the transportation appropriation bill, required “a report pertaining to the efficiencies that may be gained by the coordination of transit management and maintenance systems in the areas of school transportation, public transit, and other forms of public transportation.” Such efficiencies are described. As requested by the Iowa DOT, the Center for Transportation Research and Education at Iowa State University studied these issues and prepared a report for the Office of Public Transit. A summary of the coordination activities that are taking place in Iowa between the school districts and transit agencies is presented. Furthermore, the levels of coordination and what benefits are derived from coordinating services are discussed. The objectives of the study include the following: to examine the legal basis for such coordination in Iowa; to inventory the types of coordination taking place around the state; and to highlight some of the coordination models, with a discussion of what each party believes are the benefits of the coordination as well as obstacles that have been encountered.
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Faradina, Nevi, Erita Astrid, and Risfendra. "Wi-Fi Access Point’s Analysis in Electrical Engineering Department, Padang State University." Journal of Physics: Conference Series 1940, no. 1 (June 1, 2021): 012079. http://dx.doi.org/10.1088/1742-6596/1940/1/012079.
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DeGaspari, John. "Making the Grade." Mechanical Engineering 126, no. 08 (August 1, 2004): 26–29. http://dx.doi.org/10.1115/1.2004-aug-1.
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This article highlights methods that are under study to bring non-destructive evaluation into wider use. Non-destructive evaluation is the subject of a good deal of research, which may soon make it easier than ever to integrate testing into assembly lines, and so may take the technology to new corners of industry. Increased sensitivity, higher computing power, and better imaging are improving the quality of information and ease of use. R. Bruce Thompson, Director of the Center for Non-destructive Evaluation at Iowa State University, Ames, points out that advances in sensing technology have improved understanding of how energy behaves in the microstructure of a material. One of the developments at Iowa State is a set of modelling tools to help determine if an investigative technique will be adequate. The US Department of Energy has a goal of using of lightweight materials in automobiles as an energy-conservation measure. Overall, manufacturers are acknowledging the value of selected non-destructive evaluation techniques, and researchers are getting better at adapting non-destructive evaluation techniques to the plant floor through portability, fine resolutions, and smart software.
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Selviyanti, Erna, Hamidillah Ajie, and Widodo. "Pengembangan Sistem Pencarian Karya Akhir Berdasarkan Abstrak Menggunakan Full-Text Searching Di Sistem Informasi Perpustakaan Jurusan Teknik Elektro Universitas Negeri Jakarta." JTIM : Jurnal Teknologi Informasi dan Multimedia 1, no. 2 (August 30, 2019): 85–95. http://dx.doi.org/10.35746/jtim.v1i2.8.
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The research was conducted to develop a search system undergraduated thesis based on abstract using full-text searching in Library Information Systems Department of Electrical Engineering State University of Jakarta. The feature fulltext search system is developed to facilitate students in finding undergraduate thesis based on abstract. By using the select clause MATCH () ... Against, the data can be searched ordered by relevancy value. The research was conducted in the laboratory of multimedia Department of Electrical Engineering Faculty of Engineering, State University of Jakarta from September 2012 to December 2012. Development cycle of full-text search system conceptually consists of the design and analysis of systems, retrieval system development, integration of full-text search system to test SIPEL SIPEL 2013 and 2013. Full-text search system stores abstract 229 thesis abstract (undergraduate thesis, comprehensive, and TA) using XAMPP web server applications. Library Information Systems Department of Electrical Engineering State University of Jakarta (SIPEL 2013) has successfully integrated the SIPEL 2012 by adding databases and full-text search feature. The research use scripting language PHP and the MySQL database and worked on the Linux operating system by using a text editor Bluefish Editor and XAMPP as localhost server.
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Zhang, Li, and Zhi Gong Wu. "The Impact of Disciplinarity on the Career Patterns of Department Chairs: A Comparison between American CSU and Chinese NCEPU." Advanced Materials Research 171-172 (December 2010): 706–9. http://dx.doi.org/10.4028/www.scientific.net/amr.171-172.706.
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Based on career study and the disciplinarity in higher education administration, this paper intends to explore the variations of the career patterns of department chairs from differential disciplines. Taking American California State University(CSU) and Chinese North China Electrical University (NCEPU) as examples, it examines the simiarities, differences and limitations related to the overlooking of disciplinarity in regard to choosing of candidates, hiring mechanism, motivation and retention, training program, and post-chair stage. The conclusion is to highlight how university policies can assist chairs during their service: improving recruitment, training, and retention of chairs with the end of making them more enduring and effective leaders of their departments.
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DEMIDOVICH, Viktor B. "Development of Induction Heating Technologies." Elektrichestvo 5, no. 5 (2021): 51–55. http://dx.doi.org/10.24160/0013-5380-2021-5-51-55.
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In 1935, Professor V.P. Vologdin and engineer B.N. Romanov conducted successful experiments on the use of high frequency currents (HFC) for induction surface hardening. The overwhelming success of this technology at tank factories during the Great Patriotic War was highly appreciated by the government of the USSR and in 1947 the All-Union Research Institute of High Frequency Currents (VNIITVCH) was created. The article discusses the organization of scientific research at the institute and at the department of Saint. Petersburg State Electrotechnical University (LETI), the features of the organization of the educational process, the achievements of recent years and promising areas of research on metal processing in an alternating electromagnetic field.
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Boychenko, Nataliia, and Svitlana Pustovit. "Review of the IX International Symposium on Bioethics "Health, Medicine and Philosophy: Survival Strategies"." Filosofiya osvity. Philosophy of Education 27, no. 1 (August 11, 2021): 261–72. http://dx.doi.org/10.31874/2309-1606-2021-27-1-15.
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The IX International Symposium on Bioethics on April 15-16, 2021 was a significant event for the bioethical community. There were discussed the applying of philosophical, theoretical, methodological and bioethical principles of modern medicine and the concept of health in the context of global challenges.
The Symposium was organized by the Department of Philosophy of the Shupyk National Healthcare University of Ukraine and the Ukrainian public organization "Ukrainian Association for Bioethics"; Testemitanu State University of Medicine and Pharmacy; Sakharov International State Ecological Institute, Belarusian State University; Tashkent State Dental Institute; South Kazakhstan Medical Academy.
The article highlights the key ideas of the reports of leading bioethicists, theorists of medicine and philosophers. Annotations of reports at the plenary session of the symposium are presented in more detail. In particular, there are represented the main thesis of the reports of Svetlana Pustovit, Tatiana Gardashuk, Olga Gomilko, Tatiana Mishatkina, Sergei Melnov, Vladimir Falko, Theodore Ţîrdea, Nikolai Kiselyov, Zamirа Mukhamedovа, Susan Miller.
The main points of the resolution of the IX International Symposium, which were adopted by all participants, are reflected in this review.
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Munthakhabah. R, Cita St, and Febriyani Syafri. "PERANCANGAN PERANGKAT LUNAK BANTU PEMBELAJARAN MATA KULIAH PERANGKAT KERAS BERBASIS PHP." Pepatudzu : Media Pendidikan dan Sosial Kemasyarakatan 17, no. 1 (May 31, 2021): 62. http://dx.doi.org/10.35329/fkip.v17i1.1946.
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This research is a software development research that aims to develop learning aids software for hardware subjects based on PHP (Perl Hypertext Preprocessor) in the Computer and Informatics Engineering Study Program, Department of Electrical Engineering Education, Faculty of Engineering, Makassar University. The design of instructional media is carried out by collecting learning materials then designing the software and the necessary database. The learning media that has been created are then validated by two media experts. The objects in this study were 37 students of class 04 class 2012 Informatics and Computer Engineering Education Department of Electrical Engineering Education Faculty of Engineering, Makassar State University, as many as 37 people who program hardware courses in the even semester of the 2012-2013 academic year. Data collection was carried out using a questionnaire given to respondents. The results of the descriptive analysis show that the views of PTIK JPTE FT UNM students on the implementation of PHP learning media in the Hardware course are in the good category or equal to 91.89%.
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Baskoro, Farid. "Development of Radar and Navigation Radar Modules As A Learning Media Radar Course And Navigation In The Department Of Electrical Engineering, UNESA." INAJEEE : Indonesian Journal of Electrical and Eletronics Engineering 1, no. 1 (February 1, 2018): 12. http://dx.doi.org/10.26740/inajeee.v1n1.p12-18.
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AbstractRADAR (Radio Detection And Ranging) is a tool used to detect and know the distance of an object.Radar is one of the important tools in the world of telecommunications, shipping and in the militaryworld. So that the State University of Surabaya, especially the Department of Electrical Engineeringeducation set Radar and Navigation as One of the compulsory lecture that must be taken in the field ofcommunication electronics studies. In this study the author tries to develop teaching module to facilitatestudents in studying radar and navigation subjects. Where in the module consists of 7 chapters namelyRadar History, Radar Type, In Flight Radar, Navigation System, Infrastructure Radar, Hadware radar, andRadar Calibration and Radar Technique. The results of this module are then validated by expert lecturersand giving a student response questionnaire. Results for module validation by expert media obtained anaverage score of 84.06% for student responses in an average score of 83.21%. Based on the above datacan be stated that the module is suitable to be used as one of the reference and can be accepted by thestudents.Keywords: Radar. Radar Type, Teaching Module, Radar Infrastructure
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Effendi, Hansi, Soenarto Soenarto, and Herminarto Sofyan. "The effectiveness of web-based interactive blended learning model in electrical engineering courses." Research and Evaluation in Education 1, no. 2 (December 31, 2015): 175. http://dx.doi.org/10.21831/reid.v1i2.7140.
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The study was to test the effectiveness of the Web-Based Interactive Blended Learning Model (BLIBW) for subjects in the Department of Electrical Engineering, Padang State University. The design that the researcher employed was a quasi-experimental design with one group pretest-posttest, which was conducted on a group of students consisting of 30 people and the test was conducted for two times. The effectiveness of BLIBW Model was tested by comparing the average pretest scores and the average posttest scores both in the first trial and the second trial. The average prestest and posttest scores in the first trial were 14.13 and 33.80. The increase in the average score was significant at alpha 0.05. Then, the average pretest and posttest scores in the second trial were 18.67 and 47.03. The result was also significant at alpha 0.05. The effectiveness of BLIBW Model in the second trial was higher than in the first test. Those result were not entirely satisfactory and it might be caused several weaknesses in both tests such as: the number of sessions were limited, there was only one subject, and the number of students who were subjected too limited. However, the researcher would like to conclude that the BLIBW Model might be implemented as a replacement alternative for the face-to-face instruction.
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Muslim, Supari, Tri Wrahatnolo, Sri Handayani, Erina Rahmadyanti, Nita Kusumawati, and Achmad Imam Agung. "Development of Electrical Car Learning Media as A Future Alternative Car." JETL (Journal of Education, Teaching and Learning) 5, no. 1 (March 31, 2020): 199. http://dx.doi.org/10.26737/jetl.v5i1.1822.
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This research aims to: (1) develop Electric Car Learning Media through research and development (R&D) ADDIE Model (Analysis, Design, Development, Implementation, and Evaluation); (2) knowing the level of feasibility of learning media for electric cars (LMEC) in a learning perspective; and (3) to determine the effectiveness of LMEC in the learning process. The study found that: (1) based on the validator's assessment, that the LMEC that had been developed was very suitable for use in learning Electric Cars; (2) based on student assessment, that LMEC is very suitable for use in learning Electric Cars in the Department of Electrical Engineering, State University of Surabaya; and (3) LMEC is very effective, proven as many as 24 (77.41%) of students get a score of learning outcomes in the range 71-100, with good and excellent categories.
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Jouanne, Annette von, Terry Lettenmaier, Ean Amon, Ted Brekken, and Reo Phillips. "A Novel Ocean Sentinel Instrumentation Buoy for Wave Energy Testing." Marine Technology Society Journal 47, no. 1 (January 1, 2013): 47–54. http://dx.doi.org/10.4031/mtsj.47.1.4.
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AbstractThis paper presents a novel Ocean Sentinel instrumentation buoy that the Northwest National Marine Renewable Energy Center (NNMREC) has developed with AXYS Technologies for the testing of wave energy converters (WECs). NNMREC is a Department of Energy-sponsored partnership among Oregon State University (OSU), the University of Washington (UW), and the National Renewable Energy Laboratory (NREL). The Ocean Sentinel instrumentation buoy is a surface buoy based on the 6-m NOMAD (Navy Oceanographic Meteorological Automatic Device) design. The Ocean Sentinel provides power analysis, data acquisition, and environmental monitoring, as well as an active converter interface to control power dissipation to an onboard electrical load. The WEC being tested and the instrumentation buoy are moored with approximately 125 meters separation; connected by a power and communication umbilical cable. The Ocean Sentinel was completed in 2012 and was deployed for the testing of a WEC at the NNMREC open-ocean test site, north of Newport, OR, during August and September of 2012.
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Hoffman, Susan C., and Mark S. Hoffman. "Implementation of a Shared Human Factors Support Program between Academia and Industry." Proceedings of the Human Factors Society Annual Meeting 31, no. 3 (September 1987): 285–88. http://dx.doi.org/10.1177/154193128703100303.
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Human factors research programs within commercial industries are frequently avoided because of escalating costs associated with data collection and reduction. Other prohibiting factors limiting the use of traditional research methods in industry are manpower costs, accounting procedures for overhead allocation, and the availability of qualified personnel. The department of Computer and Electrical Engineering Technology at Kent State University, Tuscarawas Campus has developed a program for supporting the projects from the NCR Human Factors Department of the Retail Systems Division. This program has provided students an opportunity to (1) acquire new skills rarely experienced in classroom assignments; (2) obtain financial assistance, and (3) obtain exposure to potential employers. This program began as a pilot and has continued to grow because of the demand in retail businesses for the work supported by the students.
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Suharso, Wiwik. "Assistance Skills Competency Test Activities (UKK) Software Engineering Department in SMK Negeri 6 Jember." Kontribusia (Research Dissemination for Community Development) 1, no. 1 (January 17, 2018): 62. http://dx.doi.org/10.30587/kontribusia.v1i1.260.
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The goal of this community engagement is to foster private Vocational Schools in the implementation ofCompetency Skills Test (UKK) Department of Software Engineering (RPL). The selected vocational practice exam is Package 3 on Car Rental App Design. The main activities of community service are accompaniment of implementation preparation, product assessment activities of vocational practice, and monitoring and evaluation (monev) value of competency achievement result. The objective of the preparation is to ensure the readiness of the implementing elements of both schools, learners’ understanding of the selected package and the preparation of laboratory infrastructure for hardware, software, network, and electrical installation. The purpose of the assessment is to provide students with a certain level of competency. While the objective of monev is to evaluate the results of achievements and feedback on improvements in the implementation of the following year. Execution preparation activities are conducted by SMK Sub-Rayon and monitored by the External Examiners (Dunia Usaha Dunia Industri or DUDI). While the assessment activities conducted by the Internal Examiners and DUDI from the University of Muhammadiyah Jember and the State Polytechnic of Jember. DUDI involvement has become a requirement in the guideline of UKK implementation of National Education Standards Agency (BSNP). In addition, DUDI is expected to maintain independence and professionalism in assessing the level of competence achieved by students, and the form of recognition from competent external agencies. From the assessment by DUDI stated that the students who pass pure as much as 171 or 95,53%, passed remedial as much as 2 or 1,12% and student do notpass as much as 6 or 3,35%. The non-graduation is due to the low achievement of the competency level, and some of the students do not take the exam.
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Faza, Ayman, Majd Batarseh, and Wejdan Abu-Elhaija. "Upgrading power and energy engineering curricula in Jordanian universities: a case study at PSUT." International Journal of Electrical Engineering & Education 54, no. 1 (October 10, 2016): 57–81. http://dx.doi.org/10.1177/0020720916673648.
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The field of power and energy engineering in Jordan went through a period of decline during the period between 1990 and 2000, which resulted in students of electrical engineering pursuing other fields such as communications and computing, as the advances in the technologies of cellular communications and computer networking created more opportunities for recent graduates, and provided an attractive field of study for the students at that time. However, the recent increase in the prices of oil, and the advances in the technology of renewable energy sources such as solar and wind energy, resulted in a sudden revival in the field of power and energy engineering. In addition, due to the recent advances in the technologies of communication and computing, the notion of a “smart grid” emerged as the future of power and energy, which promised more career opportunities in this field. This decline in the number of skilled professionals in the field of power and energy, combined with the sudden increase in the available opportunities in the field created a gap in the Jordanian market requirements, which necessitated remedial actions to fix this phenomenon. That gap was noticeably felt in Amman, the capital of Jordan, which is also the center for the largest number of businesses in the country. Therefore, it became essential for the universities in Jordan to address this issue by offering degrees specializing in power and energy engineering. With its central location in the heart of Amman, and given its role as a leading technological university in the country and the region, Princess Sumaya University for Technology (PSUT) established a new “power and energy engineering” program, in which a number of specialized courses were developed, and a number of state-of-the-art laboratories were established to create a competitive degree program that produces high-quality graduates, capable of tackling the challenges presented in the field of power and energy. This paper presents the most recent upgrade that was made in the power and energy laboratories in the department of electrical engineering at the university, and evaluates their overall effect on the newly established degree program, and on the quality of education and research in the university.
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Vali-Akhmetovich, Azhimov Oleg, and Petrusevich Arkady Arkadyevich. "Pedagogical Training of the Formation of the Future Officer’s Readiness for Educational Activities in the Military Department." Journal of Computational and Theoretical Nanoscience 17, no. 9 (July 1, 2020): 4770–74. http://dx.doi.org/10.1166/jctn.2020.9376.
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The article reflects a modern view of the problem of training future officers for educational activities in the military department. The general idea of the article is to reveal the possibilities of the educational process of the Military University, informing the readiness of cadets as future officers for educational activities in the military staff. A significant part of the article is devoted to the analysis of the comprehension of readiness as a state of personality, which reflects the knowledge, skills, and motives of pedagogical activity. The article presents the analysis of pedagogical research, in which the authors reveal the conditions of the educational process of the Military University of formation of the future officer’s readiness for educational activities, the structural components of readiness that can be used to diagnose the phenomenon under consideration. A special place in the article is given to the educational project. Future Officer’s Pedagogical Training. Its task is the formation of the future officer’s readiness for educational activities in the military teams. This research material presents the content, forms, and methods of the project. Analysis of the practice of the formation of the future officer’s readiness for educational work among military staff allowed us to conclude that the successful work of the “Future Officer’s Pedagogical Training” is based on pedagogical support for the formation of cadets’ readiness for education. The article presents general conclusions on the results of the developed school.
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Durán-Acevedo, Cristhian Manuel, Jeniffer Katerine Carrillo-Gómez, and Camilo Andrés Albarracín-Rojas. "Electronic Devices for Stress Detection in Academic Contexts during Confinement Because of the COVID-19 Pandemic." Electronics 10, no. 3 (January 27, 2021): 301. http://dx.doi.org/10.3390/electronics10030301.
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This article studies the development and implementation of different electronic devices for measuring signals during stress situations, specifically in academic contexts in a student group of the Engineering Department at the University of Pamplona (Colombia). For the research’s development, devices for measuring physiological signals were used through a Galvanic Skin Response (GSR), the electrical response of the heart by using an electrocardiogram (ECG), the electrical activity produced by the upper trapezius muscle (EMG), and the development of an electronic nose system (E-nose) as a pilot study for the detection and identification of the Volatile Organic Compounds profiles emitted by the skin. The data gathering was taken during an online test (during the COVID-19 Pandemic), in which the aim was to measure the student’s stress state and then during the relaxation state after the exam period. Two algorithms were used for the data process, such as Linear Discriminant Analysis and Support Vector Machine through the Python software for the classification and differentiation of the assessment, achieving 100% of classification through GSR, 90% with the E-nose system proposed, 90% with the EMG system, and 88% success by using ECG, respectively.
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Moses, Dauda, Aniekan Elijah Asukwo, Muhammed Adamu Yusuf, and Isaac John Ibanga. "Achieving Sustainable Development Goals 2016-2030 in Nigeria through Female Enrolment into Electrical/Electronics Engineering Trade in Technical Colleges of Adamawa State." Journal of Advanced Research in Economics and Administrative Sciences 2, no. 1 (February 18, 2021): 28–39. http://dx.doi.org/10.47631/jareas.v2i1.214.
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Purpose: This study investigated female enrolment into electrical/electronics engineering trade in technical colleges of Adamawa State in order to suggest ways of augmenting it for Sustainable Development Goals (SDGs) 2016-2030.
Approach/ Methodology/ Design: Two research questions and two null hypotheses were formulated to guide the study. A descriptive survey research design was adopted for the study. The sample of the study comprised of 38 teachers and 140 parents. A 50-item Female Enrolment in Electrical/Electronics Engineering Trade (FEEET) Questionnaire was developed by the researchers and used for data collection. The questionnaire was validated by three experts from the Department of Electrical Technology Education, Modibbo Adama University of Technology, Yola, Adamawa State. Reliability co-efficient of 0.81 was obtained for the instrument using Cronbach’s Alpha reliability method. Mean statistic was used to answer the two research questions while z-test statistics was used to test the two hypotheses at 0.05 level of significance.
Findings: The findings of the study revealed that inadequate knowledge on female participation in electrical/electronics engineering trade, hazards involved in working with electricity, and poor gender policy implementation among others were factors affecting female enrolment into the programme. Establishment of electrical/electronics engineering trade skill acquisition centres for females and provision of starter packs for female graduates of electrical/electronics engineering trade among others were strategies identified for improving female enrolment into the programme.
Practical Implication: The study has practical implications for achieving sustainable development goals in Nigeria. A sustainable financing scheme for the female trainees of electrical/electronics engineering trade should be established in order to boost their interests in the programme.
Originality/Value: The study identified that inadequate knowledge on female participation in electrical/electronics engineering trade, hazards involved in working with electricity, societal perception about electricity, cultural sanctions on women, early marriages, and poor gender policy implementation are the main factors that affect female enrolment in technical colleges in Nigeria.
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Lettenmaier, Terry, Annette von Jouanne, Ean Amon, Sean Moran, and Alister Gardiner. "Testing the WET-NZ Wave Energy Converter Using the Ocean Sentinel Instrumentation Buoy." Marine Technology Society Journal 47, no. 4 (July 1, 2013): 164–76. http://dx.doi.org/10.4031/mtsj.47.4.4.
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AbstractThis paper describes ocean testing of the half-scale Wave Energy Technology-New Zealand (WET-NZ) prototype wave energy converter (WEC) using the Ocean Sentinel instrumentation buoy during a 6-week deployment period in August‐October 2012. These tests were conducted by the Northwest National Marine Renewable Energy Center (NNMREC) at its Pacific Ocean test site off the coast of Newport, Oregon. The WET-NZ is the product of a research consortium between Callaghan Innovation, a New Zealand Crown Entity, and Power Projects Limited (PPL), a Wellington, New Zealand private company. The Oregon deployment was project managed by Northwest Energy Innovations (NWEI), a Portland, OR firm. NNMREC is a Department of Energy sponsored partnership between Oregon State University (OSU), the University of Washington (UW), and the National Renewable Energy Laboratory (NREL). The Ocean Sentinel instrumentation buoy is a 6-m surface buoy, developed in 2012, that provides a stand-alone electrical load, WEC generator control, and data collection for WECs being tested. The Ocean Sentinel was deployed and operated for the first time during the 2012 WET-NZ tests. During these tests, the operation of the WET-NZ was demonstrated and its performance was characterized, while also proving successful deployment and operation of the Ocean Sentinel.
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Djatmiko, Istanto Wahyu, Sunyoto Sunyoto, and Deny Budi Hertanto. "Model Pembelajaran Praktik Pengayaan Motor Listrik Arus Searah Berbantuan Program Delphi." Jurnal Pendidikan Teknologi dan Kejuruan 22, no. 4 (January 18, 2016): 401. http://dx.doi.org/10.21831/jptk.v22i4.7838.
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This study aims to determine the quality of the direct current electric motor enrichment practice learning media utilizing the Delphi program, the effectiveness of the media, and the enrichment practice learning model utilizing the Delphi program. This study was categorized as a research and development. The subjects of the study were 15 students of the Electrical Engineering department in Engineering Faculty of Yogyakarta State University. The data was analysed descriptively and described in frequency distribution categories. The results of the study were: (1) the quality of the developed materials and the quality of the developed media were categorized as very good and good respectively (2) the effectiveness of the materials was categorized as good (3) the applicable procedure of the developed learning media for the students
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Darwi, Apris Robi, and Efrizon Efrizon. "ANALISIS KEPUASAN PENGGUNA E-LEARNING SEBAGAI PENDUKUNG AKTIVITAS PEMBELAJARAN MENGGUNAKAN METODE EUCS." Voteteknika (Vocational Teknik Elektronika dan Informatika) 7, no. 1 (February 4, 2019): 25. http://dx.doi.org/10.24036/voteteknika.v7i1.103639.
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In this research to make the improvement of convenience that would later give also the satisfaction of any user that has used and be active in e-learning information systems which have been applied in engineering Electronics ft unp. This research using the method of end user computing satisfaction that in short EUCS are used to measure the level of user satisfaction with knowing the contribution factors of content, accuracy, shape, ease of usage and timeliness to be thorough by the author to apply to the scope of the Department of electronics engineering ft unp. This research using quantitative research, then conducted a descriptive analysis, inductive analysis, multiple regression and hypothesis testing. The results of the analysis of the data indicates that the variable in the method of EUCS jointly contribute the same significance of 45% to the satisfaction of users of the e-learning information systems in the Department of electronics engineering achievements in the unp ft. from research that has been done, is expected to be contributed to the Administration's e-learnngi in order to improve the quality of e-learning on the campus of the State University of padang in General and in the Electrical Engineering Universitas Negeri Padang in particular. Keywords: information systems, End User Computing Satisfaction, E-learning.
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Pransky, Joanne. "The Pransky interview: Mel Torrie, Founder, CEO and President of Autonomous Solutions, Inc." Industrial Robot: An International Journal 45, no. 1 (January 15, 2018): 7–10. http://dx.doi.org/10.1108/ir-11-2017-0199.
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Purpose The following paper is a “Q&A interview” conducted by Joanne Pransky of Industrial Robot Journal as a method to impart the combined technological, business and personal experience of a prominent, robotic industry engineer-turned successful innovator and leader, regarding the challenges of bringing technological discoveries to fruition. This paper aims to discuss these issues. Design/methodology/approach The interviewee is Mel Torrie, CEO and President of Autonomous Solutions, Inc. (ASI). ASI manufactures an OEM/vendor independent software and hardware solution retrofitted to existing equipment to create a wide variety of fully autonomous vehicles spanning agriculture, mining, automotive, industrial cleaning, security and government/military applications. In this interview, Torrie shares how he first got started in the robotics field along with his experiences in running his ground-breaking startup. Findings In 1999, Torrie received a Master’s Degree in Electrical Engineering at Utah State University (USU) where he worked on two National Aeronautics and Space Administration (NASA) space shuttle payloads. After his work at USU, he managed robotics development programs for John Deere, the US Department of Defense and the US Department of Energy. He founded ASI, a spin-off of the Center of Self Organizing and Intelligent Systems (CSOIS) at USU, in 2000. Originality/value Torrie was a pioneer and visionary who bootstrapped ASI from the beginning. Under Torrie’s leadership, ASI raised over $85m in a unique business model where there is no equity but only strategic partners. These foremost companies are given exclusive rights to their vertical market and jointly own their industry’s driverless vehicle’s intellectual property (IP) with ASI. The vehicles are developed and tested at ASI’s 100-acre proving ground facility in Utah. To date, ASI’s more than 100 employees and their business partners have automated 75 different vehicle types and ASI continues to create new markets. Some of ASI’s notable installations include the Bingham Canyon Mine clean-up effort; BatCat, the teleoperated CAT telehandler for the Los Angeles Police Department; and the robotic durability testing program with Ford Motors, Toyota, Fiat Chrysler Automotive, Hyundai, General Motors as well as other private proving grounds.
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Rosato, Antonio, Francesco Guarino, Sergio Sibilio, Evgueniy Entchev, Massimiliano Masullo, and Luigi Maffei. "Healthy and Faulty Experimental Performance of a Typical HVAC System under Italian Climatic Conditions: Artificial Neural Network-Based Model and Fault Impact Assessment." Energies 14, no. 17 (August 28, 2021): 5362. http://dx.doi.org/10.3390/en14175362.
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The heating, ventilation, and air conditioning (HVAC) system serving the test room of the SENS i-Lab of the Department of Architecture and Industrial Design of the University of Campania Luigi Vanvitelli (Aversa, south of Italy) has been experimentally investigated through a series of tests performed during both summer and winter under both normal and faulty scenarios. In particular, five distinct typical faults have been artificially implemented in the HVAC system and analyzed during transient and steady-state operation. An optimal artificial neural network-based system model has been created in the MATLAB platform and verified by contrasting the experimental data with the predictions of twenty-two different neural network architectures. The selected artificial neural network architecture has been coupled with a dynamic simulation model developed by using the TRaNsient SYStems (TRNSYS) software platform with the main aims of (i) making available an experimental dataset characterized by labeled normal and faulty data covering a wide range of operating and climatic conditions; (ii) providing an accurate simulation tool able to generate operation data for assisting further research in fault detection and diagnosis of HVAC units; and (iii) evaluating the impact of selected faults on occupant indoor thermo-hygrometric comfort, temporal trends of key operating system parameters, and electric energy consumptions.
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Magonski, Zbigniew. "Combustion Heat Meter." Journal of Microelectronics and Electronic Packaging 14, no. 3 (July 1, 2017): 100–107. http://dx.doi.org/10.4071/imaps.0531.
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Abstract In Memoriam—In memory of Dr. Zbigniew Magonski, a talented electronic engineer and inventor, was born in Glubczyce, Poland in 1950 and passed away in Cracow, Poland in 2017. He received M.Sc. degree in Solid State Technology from the Technical University of Wrocław, Poland in 1973, and PhD degree from the AGH University of Science and Technology, Cracow, Poland in 2000. For 15 years, he was with the R&D Center for Hybrid Microelectronics, Cracow Poland. At that time, his interest was focused on hybrid A/D, D/A converters also on DC HV power converters. Later, for 28 years, he was with the Department of Electronics, AGH University of Science and Technology, Cracow, Poland. His research interests covered ceramic microfluidic systems, hydrocarbon combustors, and high-temperature solid oxide fuel cells. In 1994–1995, he was with Summit Technology, Massachusetts, involved in a project relating to HV supplying of excimer lasers. He was a member of IMAPS US Chapter, the author of 13 patents and almost 50 technical papers connected with electronic technology. He was a caring husband and father and a good friend of many of us. We will miss you, Zbyszek. This article presents a proposal of a thermal instrument intended for the evaluation of heat energy of fluid fuels. Two thermal devices the flow meter and the combustor are the basic components of the instrument. The meter maintains a constant temperature in the vicinity of the combustion zone. The amount of heat energy in the fuel is calculated as the ratio of the electric power change expressed in Watts to the change of fuel supply delivered to the combustor within a time period of 1 s. The method enables a direct evaluation of fuel energy expressed in Joules per unit of mass or volume. For some applications, the meter may be a good alternative for a bulky bomb calorimeter.
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Raspopov, V. Ya, and V. V. Likhosherst. "Angular Rate Sensor Based on a Solid-State Wave Gyroscope with a Metal Resonator for Attitude Control, Stabilization and Navigation Systems." Mekhatronika, Avtomatizatsiya, Upravlenie 22, no. 7 (July 8, 2021): 374–82. http://dx.doi.org/10.17587/mau.22.374-382.
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The article describes the methods and test results of a solid-wave gyroscope (SVG) — an angular rate sensor (ARS), developed at the Department of Control Devices, Tula State University and manufactured by the serial plant of JSC "Michurinsky Plant" Progress "according to the technology it worked out. The metal resonator SVG-ARS is made of an elinvar alloy and has a cylindrical structure of different thickness, the lower part of which, with a smaller wall thickness, acts as a suspension for the upper cylinder, the resonator itself, which has a conical shape, providing better vibration localization at its end edge. Technological manufacturing defects, different frequencies and variability, are eliminated by balancing " by mass" based on the removal of excess metal at certain points on the end edge of the resonator. The electronic module provides the second mode of primary and secondary oscillations of the resonator edge arising during rotation and creates a signal to compensate for the Coriolis and quadrature components of the output signal at the nodes. The maximum amplitudes of the excitation and compensation signals do not exceed 10 V. Therefore, at large values of mechanical influences, the compensation circuit may not work out the increased signal and the SVG-ARS loses its operability. The total processing time of the compensation signal does not exceed 1 μs. The maximum power consumption of the electronic module is not more than 4 W. When testing for mechanical and temperature effects, the norms were used that are typical for similar devices (angular rate sensors) used on board aircraft. The tests were carried out on the bench equipment of a specialized enterprise. The stability of the zero signal and the scale factor was determined under the simultaneous action of the measured speed and temperature on the SVG-ARS. The values of the random walk and the instability of the zero signal were obtained from the Allan deviation plots. Their values provide a basis for the conclusion about the possibility of using the developed SVG for several hours on board dynamic aircraft in orientation, stabilization and navigation systems. It was found that SVG-ARS possesses impact strength and restores its measuring ability after impact. Tests for vibration resistance revealed resonance frequencies and frequency rangesin which the tested VTG-DUS sample can be used without significant modification. The results of vibration tests can be used to refine the design and control electronics for the operating conditions of a particular aircraft.
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Mikula, Adolf, and Herbert Ipser. "Preface." Pure and Applied Chemistry 79, no. 10 (January 1, 2007): iv. http://dx.doi.org/10.1351/pac20077910iv.
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The 12th International Conference on High Temperature Materials Chemistry (HTMC-XII) took place at the Vienna University of Technology, Austria, 17-22 September 2006. Previous conferences were held in 2000 in Juelich (Germany), and in 2003 in Tokyo (Japan).The conference was sponsored by IUPAC and organized by the Department of Inorganic Chemistry/Materials Chemistry of the University of Vienna together with the Austrian Chemical Society (GÖCH) and the Department of Materials Chemistry of the Vienna University of Technology. The local organizing committee was chaired by Profs. Adolf Mikula and Herbert Ipser of the University of Vienna. Special patronage was granted by the Austrian Federal Minister for Education, Science and Culture and by the mayor of Vienna.More than 150 participants from 25 countries worldwide came to Vienna to present their research in the field of high temperature materials chemistry and to interact with each other in a lively scientific discussion. A considerable number of scientists, especially from Russia and some Eastern European countries, had the chance to come to this conference for the very first time, partly due to partial financial support by the local organizers, for example, by reduced or waived registration fees. It was also a pleasure to see many young scientists who made new contacts with each other and with their senior colleagues from all over the world.The program contained nine plenary lectures, corresponding to the main topics, but also included two special lectures on topics of more general interest, such as "Do universities prepare for industrial careers" (by Knuth Consemüller, chairman of the Austrian Council for Science and Technology Development), and "The arts: What use to materials science" (by Mark Miodownik). The plenary lectures, with the exception of the lecture by Dr. Consemüller, are published in this issue.In addition, there were 51 oral presentations and 100 posters that were on display for the entire week.For this conference, IUPAC sponsored three poster awards, and the winners received a two-year subscription of Chemistry International, a copy of the IUPAC "Gold Book" as well as a certificate signed by the IUPAC president. The winners, as selected by an international jury, were Dario Manara of Italy ("The uranium-oxygen phase diagram at high temperature: Recent advances"), Yuriy Plevachuk of Ukraine ("Density and electrical conductivity of liquid Al-Fe and Al-Ni binary alloys"), and Jiři Popovic of the Czech Republic ("Thermodynamic optimization of the Ni-Al-W system").The social program included a reception in the City Hall of Vienna, sponsored by the mayor of Vienna, as well as a conference excursion to the easternmost Austrian province, Burgenland, with visits to the small town of Rust on the shore of Lake Neusiedl and a guided tour through the Esterhazy Palace in Eisenstadt, the capital of Burgenland. This was followed by a string quartet concert with music by the Austrian composers Joseph Haydn (who had lived and worked in this particular palace for many years) and Wolfgang Amadeus Mozart (whose 250th birthday was celebrated in 2006). The excursion ended with a conference banquet in the state rooms of the palace.Judging from the comments of the participants, HTMC-XII was a big success, and many of the scientists promised to come back to the next meeting, HTMC-XIII. Most probably this will be held in 2009 in California, USA, organized by Prof. Alexandra Navrotsky of the University of California at Davis.Adolf Mikula and Herbert IpserConference Editors
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Tandon, Poonam. "Preface." Pure and Applied Chemistry 81, no. 3 (January 1, 2009): iv. http://dx.doi.org/10.1351/pac20098103iv.
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The POLYCHAR 16: World Forum on Advanced Materials, organized by the University of Lucknow, was held from 17 to 21 February 2008 in the capital of the state of Uttar Pradesh, India. The annual POLYCHAR conferences have been sponsored by IUPAC for several years and are known for combining the broad field of materials sciences with a clear focus on polymeric materials (the name "POLYCHAR" is derived from the term "polymer characterization"). POLYCHAR 16 was supported by many scientific associations and industries such as IUPAC, Abdus Salam International Center for Theoretical Physics (ICTP) (Trieste, Italy), Indian Space Research Organization (ISRO), Department of Biotechnology (DBT) (India), Council of Scientific and Industrial Research (CSIR) (India), Reliance Industries Ltd. (India), Department of Science and Technology (India), Indian Council for Medical Research (ICMR), Indian National Science Academy (INSA), Uttar Pradesh Council of Science and Technology (UPCST) (India), Lucknow Chapter, Materials Research Society of India (MRSI), and University of Lucknow.As in past years, POLYCHAR puts emphasis on the quality of research presented - in contrast to maximizing the number of participants. The areas covered include nanomaterials and smart materials; natural and biodegradable materials and recycling; materials synthesis; polymers for energy; rheology, solutions, and processing; mechanical properties and performance; characterization and structure-property relationships; biomaterials and tissue engineering; dielectric and electrical properties; surfaces, interfaces, and tribology; and predictive methods. Symptomatically, the number of papers on "green" science was higher than at POLYCHAR 15 last year in Búzios, Rio de Janeiro.There were a total of 292 registered participants from 35 countries (Austria, Bangladesh, Belgium, Brazil, China, Colombia, Croatia, Czech Republic, Egypt, Fiji, UK, France, Germany, India, Iran, Israel, Japan, Korea, Kuwait, Mauritius, Malaysia, Mexico, Nepal, Netherlands, New Zealand, Poland, Portugal, Russia, Sri Lanka, Slovakia, South Africa, Ukraine, USA, Uzbekistan, and Venezuela). This reflects the philosophy of POLYCHAR to provide an international forum to encourage young scientists and advanced students to present their scientific work and give them the opportunity to meet with colleagues and well-known scientists to discuss their results, exchange experiences, and make new contacts, in particular, international ones. Many industrial contacts and much international cooperation with exchange of students and scientists have resulted from this and earlier POLYCHAR meetings.This conference volume represents only a small fraction of the multitude of contributions from different parts of materials science - 48 oral contributions and 170 posters. Many of the contributions have review character, some represent excellent original contributions. Only a small number could be selected for this volume because of the limited space that is available. All this was possible with the sponsorship of IUPAC. Highlights of the conference were the Paul J. Flory Research Award (ex aequo) to Prof. Jiasong He, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China; the International Materials Research Award to Dr. Rameshvar Adhikari, Tribhuvan University, Katmandu, Nepal; and numerous awards for young scientists and students, including the IUPAC Poster Award. Special Prof. Brar's 60th Birthday Celebration Awards were given to IUPAC poster prize winners.The next POLYCHAR will be hosted by Jean-Marc Saiter, University of Rouen, Rouen, France in April 2009.Poonam TandonConference Executive Secretary and Co-editor
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Orjiewulu, J. C., D. C. Chukwuemeka, C. E. Jesusblessing, and A. Ibrahim. "DESIGN AND IMPLEMENTATION OF AN AUTO-TEMP CONTROL SYSTEM FOR DISTRIBUTION TRANSFORMER." Open Journal of Engineering Science (ISSN: 2734-2115) 1, no. 2 (September 9, 2020): 1–19. http://dx.doi.org/10.52417/ojes.v1i2.142.
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Unreliability and interruptions facing power supply are evidence of the excessive heat generated in power systems, as a result of the inefficiency of oil cooling medium employed in distribution transformers. The design and implementation of a prototype automatic temperature control system is to be employed as a method towards solving the above stated problem of excessive temperature rise in distribution transformers. The prototype design consists of a PIC microcontroller programmed in C language, an LM35 temperature sensor, an electric fan and other diverse electronic component. It operates a mechanism that detects temperature rise in the transformer and automatically turns on the cooling fan at extreme temperature conditions. A 16x2 LCD is employed as the medium for temperature display unit of the transformer. The resulting prototype functions in a way that it has the ability to detect every 1ºC rise and reduction in the temperature of the transformer. Thus, at extreme temperature conditions, the automatic temperature control system diminishes the excessive heat generated in the transformer to the appropriate working temperature condition.
Orjiewulu, J. C. | Department of Electrical Electronics Engineering, University of Benin, Benin City, Edo State, Nigeria.
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Tedesco, M., M. Ligo, C. Gianello, and Z. Simon. "Effect of Petrochemical Activated Sludge on Soil Properties." Water Science and Technology 20, no. 10 (October 1, 1988): 63–74. http://dx.doi.org/10.2166/wst.1988.0125.
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Excess activated sludge produced at SITEL, the integrated wastewater treatment plant of Pólo Petroquímico do Sul (South Petrochemical Complex), situated in the municipality of Triunfo, State of Rio Grande do Sul, Brazil, is disposed of by subsurface injection on pangola grass fields at average application rates of 24 tons/years (dry basis). With the purpose of investigating the effect produced by the application of sludge at higher rates on the soil-plant-water system, as well as the response of more commercially valuable grass species, a growth-leaching pot experiment is being conducted at the Department of Soils of UFRGS (Federal University of Rio Grande do Sul), with the supervision of SITEL. After one year, comprehensive soil analyses showed the following results:Sludge decomposition in soil, worked out from evolution of CO2, amounted to 2.7% of C lost as CO2 in relation to the C added, in 50 days, 27°C (daylight temperature) and sludge application rate of 24 t/ha.Sludge application brought about an enrichment of soil C, N and P restricted to the top layer.No significant modifications were observed in soil pH and contents of K, Ca, Mg, Fe, Mn and B in the top layer of soil, even at the higher sludge application rates.Slight increases were observed in contents of Na, Cu, S and electrical conductivity of the top layer, effects compatible with the characteristics of the sludge applied.Appreciable increases were observed in soil contents of Zn, Cr, Cd and Ni, in correlation with the increasing sludge application rates. The resulting values, however, fell well below the tolerable limits.Proper management of a sludge application system that reproduces the conditions chosen for this investigation can yield a useful site life of many years without appreciable environmental risks.
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Parenreng, Mardawia Mabe, and Mardhiyah Nas. "Aplikasi Monitoring Aset dan Inventaris Laboratorium Berbasis Web Pada Kampus Politeknik Negeri Ujung Pandang." INTEK: Jurnal Penelitian 6, no. 1 (May 25, 2019): 59. http://dx.doi.org/10.31963/intek.v6i1.1126.
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Polytechnic is a university that organizesvocational education in various science and technology clusters.The learning process in polytechnic is dominated by practicumthat is 70% and 30% theory. The amount of laboratorypercentage affects the large number of laboratory. Eachlaboratory has a laboratory responsible (technician) in charge ofrecording and monitoring the completeness and condition of thepracticum equipment. Tools and materials used in the process ofpracticum is an asset and laboratory inventory that must alwaysbe maintained and checked the condition of the equipment. InUjung Pandang State Polytechnic (PNUP) in terms of assetmonitoring and practicum inventory is still done manually.Therefore need to make an application to monitor assets andlaboratory inventory, especially on campus two. It is known thatsince 2014 there are three departments that have implementedthe teaching and learning process in two campuses includingseveral laboratories have also been transferred to the twocampuses, such as electrical engineering majors, majoring inbusiness administration and accounting majors. So with thisapplication will greatly help technicians because no longer do thereporting or request tool manually and with this application inmonitoring the condition of the tool is damaged and tools thatneed further improvement more easily and can be quicklyupdated. The creation of this system begins with the needsanalysis, design design as the basis of system development, theright of access consists of technicians of each laboratory andprocurement department on campus one, content creationconsists of laboratory data, checking tools and materials, repairtools and materials and demand tools and materials then printdata laboratory
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Yudachev, S. S., S. S. Sitnikov, and F. M. Bosy. "Digitalization of production in Altium Designer software." Glavnyj mekhanik (Chief Mechanic), no. 6 (May 25, 2021): 34–42. http://dx.doi.org/10.33920/pro-2-2106-03.
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A method for modeling and printed circuit board layout in the form of a 3D model in one of the digital solutions designed for this task, Altium Designer, is proposed. The practical significance of the work is the study of the basic software libraries in terms of their creation, filling and application when working with the project, as well as of the algorithm for constructing an electrical circuit in the Altium Designer program, layout and design of the simplest circuit on the board. In the course of the work, the algorithm and rules for creating a library of three-dimensional models of components, a library containing conditional graphic designations of the corresponding components, a schematic diagram of the device, a three-dimensional model of the board and the construction of conducting tracks on it are described. The components and circuits used in the work are publicly available on the Internet, which allows anyone to work over the entire algorithm for studying and honing the skills of designing printed circuit boards, both by students studying at a higher educational institution and by fully-fledged specialists. This work can be used not only for teaching students in the field of electronic device development in terms of their design and for organizing laboratory work, but also for creating and designing real devices both in production and within a higher educational institution, for example, for creating a laboratory bench. The introduction and study of this software is carried out at the Department of Radio-Electronic Systems and Complexes of one of the leading engineering universities of the Russian Federation — the Bauman Moscow State Technical University.
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Mendes, André, Gerson Rodrigues Dos Santos, Paulo César Emiliano, Amy Leigh Kaleita, and Matheus de Paula Ferreira. "ESTIMAÇÃO DO TAMANHO AMOSTRAL NA GEOESTATÍSTICA USANDO UM MODELO DE VARIOGRAMA GAUSSIANO NA PRESENÇA DE OUTLIERS." ENERGIA NA AGRICULTURA 34, no. 3 (September 23, 2019): 429–40. http://dx.doi.org/10.17224/energagric.2019v34n3p429-440.
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ESTIMAÇÃO DO TAMANHO AMOSTRAL NA GEOESTATÍSTICA USANDO UM MODELO DE VARIOGRAMA GAUSSIANO NA PRESENÇA DE OUTLIERS
ANDRÉ MENDES1, GERSON RODRIGUES DOS SANTOS2, PAULO CÉSAR EMILIANO3, AMY LEIGH KALEITA4, MATHEUS DE PAULA FERREIRA5
1 Departamento de Estatística, Universidade Federal de Viçosa-UFV, Av. Peter Henry Rolfs, s/n, Campus Universitário, cep: 36570-900, Viçosa-MG, Brasil, e-mail: amendesmat@yahoo.com.br
2 Departamento de Estatística, Universidade Federal de Viçosa-UFV, Av. Peter Henry Rolfs, s/n, Campus Universitário, cep: 36570-900, Viçosa-MG, Brasil, e-mail: gerson.santos@ufv.br
3 Departamento de Estatística, Universidade Federal de Viçosa-UFV, Av. Peter Henry Rolfs, s/n, Campus Universitário, cep: 36570-900, Viçosa-MG, Brasil, e-mail: paulo.emiliano@ufv.br
4 Department of Agricultural and Biosystems Engineering, Iowa State University, 605 Bissel Road, Ames, IA 50011-3270, Estados Unidos, e-mail: kaleita@iastate.edu
5 Departamento de Estatística, Universidade Federal de Viçosa-UFV, Av. Peter Henry Rolfs, s/n, Campus Universitário, cep: 36570-900, Viçosa-MG, Brasil, e-mail: matheus.paula@ufv.br
RESUMO: A determinação de um tamanho de amostragem que seja adequado para a reconstrução da população, na análise de dados espaciais, é algo que tem sido estudado em vários trabalhos. Independentemente da área de estudo, qualquer variável pode conter outlier. Conforme sugerido por alguns pesquisadores, no intuito de eliminar tais dados discrepantes, metodologias vêm sendo criadas para atender às demandas das diversas áreas do conhecimento científico. O objetivo deste trabalho é utilizar o teorema da taxa de Nyquist para determinar um tamanho ideal para amostras georreferenciadas contendo outliers, oriundas de uma grade quadrática regular, no qual o modelo de dependência espacial é o Gaussiano. O que se pretende atingir é uma densidade de amostragem necessária para a reconstrução de mapas populacionais de variáveis nas quais as condições de regularidade necessárias em geoestatística foram verificadas. Como resultado pode-se concluir que o tamanho ideal de amostragem obtido na ausência de outliers, 115 pontos, foi bem inferior aos 228 pontos obtidos na presença dos outliers.
Palavras-chave: geoestatística, amostragem, taxa Nyquist, outliers.
ESTIMATION OF THE SAMPLING SIZE OF GEOSTATISTICS CONSIDERING GAUSSIAN VARIOGRAM MODEL IN THE PRESENCE OF OUTLIERS
ABSTRACT: The determination of suitable sample size for population reconstruction in the analysis of spatial data is something that has been studied in several scientific papers. Regardless study area, any variable may contain outlier. As suggested by some researchers, in order to eliminate such discrepant data, methodologies have been created to meet the demands of various scientific areas knowledge. The purpose of this work is use the Nyquist Rate Theorem to determine an ideal size for georeferenced samples containing outliers from a regular quadratic grid in which the spatial dependence model is Gaussian. What we intend to achieve is a sampling density necessary for the population maps reconstruction of variables in which the necessary regularity conditions in Geostatistics were verified. As a result, it can be concluded that, the ideal sampling size obtained in the outliers absence, 115 points, was well below the 228 points obtained in the outliers presence.
Keywords: geostatistics, sampling, Nyquist rate, outliers.
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Pustelny, Tadeusz. "In Memoriam: Professor Marian URBAŃCZYK." Archives of Acoustics 38, no. 4 (December 1, 2013): 571–72. http://dx.doi.org/10.2478/aoa-2013-0068.
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Abstract Research in termoacoustics began with the observation of the heat transfer between gas and solids. Using this interaction the intense sound wave could be applied to create engines and heat pumps. The most important part of thermoacoustic devices is a regenerator, where press of conversion of sound energy into thermal or vice versa takes place. In a heat pump the acoustic wave produces the temperature difference at the two ends of the regenerator. The aim of the paper is to find the influence of the material used for the construction of a regenerator on the properties of a thermoacoustic heat pump. Modern technologies allow us to create new materials with physical properties necessary to increase the temperature gradient on the heat exchangers. The aim of this paper is to create a regenerator which strongly improves the efficiency of the heat pump.Polish acoustical community mourns the loss of Professor Marian Urbańczyk who passed away on July 10, 2013. Professor Marian Urbańczyk was born on February 2nd, 1948, in Katowice (Poland). There he attended the Silesian Technical College (Śląskie Techniczne Zakłady Naukowe), where he was a student of the electrical engineering and electronics class and in 1967 completed his secondary education with school-leaving examination and a honorary mention. In 1973, he graduated successfully (again with distinction) from the Faculty of Electrical Engineering at the Silesian University of Technology (Politechnika Śląska) in Gliwice. The same year he has joined the SUT’s Institute of Physics as a university teacher at the newly created Faculty of Mathematics and Physics. The late Professor Urbańczyk remained connected with the Institute until 2009, from 2007 to 2009 performing the function of its Deputy Director for Students’ Affairs. The scope of the Professor’s scientific interest comprised electronics of solid state, metrology, and technical physics, with special attention paid by him to acoustics, including acoustoelectronic systems and their applications in technology and metrology. In 1981, Marian Urbańczyk delivered his doctor’s dissertation concerning technical acoustics at the Institute of Fundamental Problems of Technology Polish Academy of Sciences (IPPT PAN) in Warsaw. In the year 1999, he was granted the post-doctoral degree (habilitation) by the Council of the Faculty of Electronics at the Wrocław University of Technology. In 2012, Marian Urbańczyk was made full professor by the President of Poland. The Silesian University of Technology in Gliwice remained the scene of Professor Urbańczyk’s scientific activity to the very end of his life. Since September 1, 2009, Professor had been working at the Department of Optoelectronics at the SUT’s Faculty of Electrical Engineering, acting as its Deputy Director. Professor Marian Urbańczyk was a promoter of several doctor’s dissertations and numerous master theses. In the framework of his didactic work, he has organized many students’ laboratories and workshops. He was also the author of a wide variety of teaching curriculums (syllabuses). The late Professor Urbańczyk was highly valued both by his students and coworkers. Professor Marian Urbańczyk was an unquestionable authority in the field of technical acoustics, metrology, and electronics, and an internationally acknowledged author (and co-author) of more than 200 scientific publications, nearly 50 of them having been included in the ISI list. His papers were published in highly-ranked journals and frequently cited by other authors. He was also the co-author of numerous patents and patent applications. The Professor was a member of Scientific Committees of many conferences, both domestic and international. Professor Marian Urbańczyk was a member of many international and Polish scientific societies, including the European Acoustical Association (EAA), the International Optical Engineering Society (SPIE), the Polish Acoustical Society (PTA), the Photonic Society of Poland, the Polish Physical Association (PTF), and the Polish Association of Sensor Technology (PTTS). Since 1975, Professor Urbańczyk was a member of the Polish Acoustical Society (PTA), elected later the Member of the Main Board of this organization and the Chairman (Local President) of the Board of Upper Silesia Branch of the PTA. The Professor acted also as a co-organizer of annual international conferences, including the Winter School on Wave and Quantum Acoustics and the Workshop on Acoustoelectronics. For his scientific achievements, Professor Urbańczyk has been awarded state orders, medals, and scientific rewards. Professor Urbańczyk’s death is an irreparable loss to the Silesian University of Technology, the Polish Acoustical Society, and the whole Polish scientific community. Professor Marian Urbańczyk was an extraordinary person, always very kind-hearted and understanding for others. For those who knew him personally, he was a Friend and a Master. And as the Friend and the Master we will retain him in our fond memory.
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Martini, Lisdewi, Soeprijanto, and Faried Wadjdi. "HUBUNGAN ANTARA MOTIVASI MENJADI GURU DENGAN NILAI KETERAMPILAN MENGAJAR MAHASISWA PKM." Journal of Electrical Vocational Education and Technology 4, no. 2 (April 22, 2020): 40–45. http://dx.doi.org/10.21009/jevet.0042.07.
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This research aims to determine of the relationship between motivation being a teacher and the value of PKM students teaching skills. In this research using quantitative approach with descriptive-correlative method. The population and sample in this research is the students in Electrical Engineering Department, Faculty of Engineering, State University of Jakarta. The technique of data collection is hypothesis test, t-test with previously performed prerequisite analysis test: normality test and linearity test.The calculation results shows that hypothesis test with significance level of 5% obtained rcount = 0,4685 and rtable = 0,230 rcalculated > rtable then the value that of tcalculated = 4,04652 and ttabel = 1,998 which tcalculated > ttabel then its shows that there is positive and significant relationship between motivation being a teacher and the value of PKM students teaching skills. This research contributes to the world of education about the relationship between motivation being a teacher and the value of PKM students teaching skills and being a reference material for the next research, so the learning that gives is able to encourage or increase motivation being a teacher for students.
ABSTRAK
Penelitian ini bertujuan untuk mengetahui hubungan antara motivasi menjadi guru dengan nilai keterampilan mengajar mahasiswa PKM. Pada penelitian ini menggunakan pendekatan kuantitatif dengan metode deskriptif korelatif. Populasi dan sampel dalam penelitian adalah mahasiswa Program Studi Teknik Elektro Fakultas Teknik Univeristas Negeri Jakarta. Teknik analisis data yang digunakan adalah uji hipotesis dan uji-t yang sebelumnya dilakukan uji prasyarat analisis menggunakan uji normalitas dan uji linieritas. Hasil penelitian menunjukan bahwa uji hipotesis dengan taraf signifikansi 5% diperoleh nilai rhitung = 0,4685 dan nilai rtabel = 0,230, kemudian nilai thitung sebesar = 4,04652 dan nilai ttabel sebesar = 1,998 dimana thitung > ttabel maka menunjukan terdapat hubungan yang positif dan signifikan antara motivasi menjadi guru dengan nilai keterampilan mengajar mahasiswa PKM. Penelitiam ini memberikan kontribusi pada dunia pendidikan mengenai hubungan antara motivasi menjadi guru dengan nilai keterampilan mengajar mahasiswa PKM dan menjadi bahan referensi untuk penelitian selanjutnya, sehingga pembelajaran yang diberikan mampu mendorong atau meningkatkan motivasi menjadi guru pada mahasiswa.
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Sani, Zuwika, and Hadi Kurnia Saputra. "Rancang Bangun Aplikasi Koperasi Pegawai Jurusan Teknik Elektro-Elektronika Fakultas Teknik Universitas Negeri Padang Berbasis Web." Voteteknika (Vocational Teknik Elektronika dan Informatika) 9, no. 2 (June 1, 2021): 119. http://dx.doi.org/10.24036/voteteknika.v9i2.112632.
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Koperasi Pegawai jurusan Teknik Elektro-Elektronika merupakan koperasi yang bergerak dibidang simpan pinjam yang dikelola oleh dosen dan staff yang berada di dalam Fakultas Teknik Universitas Negeri Padang (FT-UNP). Proses pengelolaan koperasi pegawai jurusan ini masih dalam pengelolaan yang kovensional dibagian administrasi, pengelolaan data simpan pinjam, pengelolaan angsuran pinjaman dan data-data mengenai informasi koperasi. Meskipun sudah melibatkan teknologi komputer dalam proses menyimpan dan mengelola data, akan tetapi cara tersebut tidak efektif dan efisien. Setelah melakukan riset, maka penulis menimpulan bahwa sangat dibutuhkan sistem pendukung yakni sistem informasi koperasi. Sistem informasi dirancang untuk memudahkan pengelolaan serta pengambilan keputusan dalam berbagai bidang pada suatu organisasi atau perusahaan. Sistem informasi koperasi ini dirancang menggunakan tahapan-tahapan diagram perancangan sistem dan perancangan database. Sistem koperasi ini juga melibatkan bahasa pemograman PHP dan Framework Codeigniter yang bertujuan memudahkan untuk membangun sistem dan membantu dalam pengelolaan koperasi. Sistem Informasi ini memiliki fitur, yaitu halaman registrasi pendaftaran anggota, menu simpanan, menu pinjaman, menu pengumuman mengenai infromasi tentang koperasi. Metode pengembangan sistem yang digunakan adalah Waterfall dan didukung dengan menggunakan konsep arsitektur Model View Contrholler (MVC) yang membedakan logika dan layout yang dapat dilihat dari bagaimana pengguna mengakses data dan melakukan transaksi pada sistem informasi yang dirancang ini. Pada proses pengelolaan data dan transaksi koperasi yang menggunakan metode ini jadi lebih terstruktur dan layak digunakan untuk mengolah semua data koperasi secara terkomputerisasi dan dapat dijangkau dengan mengakses sebuah web.Kata kunci : Aplikasi, Koperasi Jurusan Simpan Pinjam, MVC, Web. The Employee Cooperative majoring in Electrical-Electronic Engineering is a cooperative engaged in savings and loans managed by lecturers and staff within the Faculty of Engineering, State University of Padang (FT-UNP). The process of managing employee cooperatives in this department is still under conventional management in the administrative section, managing savings and loans data, managing loan installments and data regarding cooperative information. Although it has involved computer technology in the process of storing and managing data, this method is not effective and efficient. After doing research, the author concludes that a support system is needed, namely a cooperative information system. This cooperative information system is designed using the stages of system design diagrams and database design. This cooperative system also involves the PHP programming language and the CodeIgniter Framework which aims to make it easier to build a system and assist in managing cooperatives. This information system has features, namely member registration registration page, savings menu, loan menu, announcement menu regarding information about cooperatives. The system development method used is Waterfall and is supported by using the architectural concept of Model View Controller (MVC) which distinguishes logic and layout that can be seen from how users access data and make transactions on this designed information system. In the process of managing data and cooperative transactions using this method, it becomes more structured and feasible to use to process all cooperative data computerized and can be reached by accessing a web.Keywords: Application, Savings and Loans Department Cooperative, MVC, Web.
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Идрисов, Фарит Фатыхович, Ирина Анатольевна Трубченинова, and Тальгат Рашитович Газизов. "REALIZATION OF INTERDISCIPLINARY TRAINING COURSES ON MASTER’S PROGRAMS TO IMPROVE THE QUALITY OF EDUCATION." Tomsk state pedagogical university bulletin, no. 2(214) (March 24, 2021): 54–59. http://dx.doi.org/10.23951/1609-624x-2021-2-54-59.
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Введение. Отражены предварительные итоги реализации курса по управлению антитеррором для студентов-радиотехников кафедры телевидения и управления Томского государственного университета систем управления и радиоэлектроники, обучающихся по магистерским программам, связанным с электромагнитной совместимостью. Включение данной дисциплины в учебный план обусловлено не только уязвимостью электронных систем к преднамеренным силовым электромагнитным воздействиям, но необходимостью повышения интереса к обучению в магистратуре, повышению качества образования и следованию трендам современного образования. Цель – рассмотреть внедрение междисциплинарных курсов в образовательный процесс как фактор, влияющий на качество образования. Материал и методы. Обосновывается ввод междисциплинарного курса по управлению антитеррором, кратко описаны разделы курса и их значимость в программе подготовки магистрантов по электромагнитной совместимости. Результаты и обсуждение. Подготовлен курс для магистрантов, посвященный изучению математических методов управления антитеррором, в рамках реализации магистерских программ, связанных с электромагнитной совместимостью. Заключение. Знания, полученные магистрантами в рамках данного курса в сочетании со знаниями в вопросах надежности электро- и радиотехнических систем, увеличивают возможности противостояния терроризму. Формирование дополнительных знаний, умений и навыков в рамках реализации образовательных программ магистратуры позволяет повышать качество подготовки студентов и их конкурентоспособность на рынке. Introduction. This work summarizes the preliminary results of the implementation of the course on anti-terror management for students-radio technicians of the Department of Television and Control of the Tomsk State University of Control Systems and Radioelectronics, studying under the master’s programs related to electromagnetic compatibility. The inclusion of this discipline in the curriculum is due not only to the vulnerability of electronic systems to deliberate force electromagnetic influences, but the need to increase interest in studying for a master’s degree, improving the quality of education and following the trends of modern education. The purpose of the work is to consider the introduction of interdisciplinary courses in the educational process as a factor affecting the quality of education. Material and methods. The work contains the rationale for the introduction of an interdisciplinary course on counterterrorism management, a brief description of the sections of the course and their significance in the training program for undergraduates in electromagnetic compatibility. Results and discussion. The result of the work is a prepared course for undergraduates, related to the study of mathematical methods of anti-terror control, as part of the implementation of master’s programs related to electromagnetic compatibility. Conclusion. The knowledge gained by undergraduates in this course, related to understanding the nature of terrorism and the skills acquired in creating appropriate models, combined with knowledge in the reliability of electrical and radio engineering systems, increase the capabilities of countering terrorism. The formation of additional knowledge, skills and abilities within the framework of the implementation of master’s degree programs allows to improve the quality of training of students and their competitiveness in the market.
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Ament, Katherine A., Steve Karsjen, Adah Leshem-Ackerman, and Alexander King. "Making Stuff Outreach at the Ames Laboratory and Iowa State University." MRS Proceedings 1364 (2011). http://dx.doi.org/10.1557/opl.2011.1177.
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ABSTRACTThe U. S. Department of Energy’s Ames Laboratory in Ames, Iowa was a coalition partner for outreach activities connected with NOVA’s Making Stuff television series on PBS. Volunteers affiliated with the Ames Laboratory and Iowa State University, with backgrounds in materials science, took part in activities including a science-themed Family Night at a local mall, Science Cafés at the Science Center of Iowa, teacher workshops, demonstrations at science nights in elementary and middle schools, and various other events. We describe a selection of the activities and present a summary of their outcomes and extent of their impact on Ames, Des Moines and the surrounding communities in Iowa.In Part 2, results of a volunteer attitude survey are presented, which shed some light on the volunteer experience and show how the volunteers’ participation in outreach activities has affected their views of materials education.
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Gupta, P. K., P. M. Anderson, R. G. Buchheit, S. A. Dregia, J. J. Lannutti, M. J. Mills, and R. L. Snyder. "The New Materials Science and Engineering Curriculum at the Ohio State University." MRS Proceedings 760 (2002). http://dx.doi.org/10.1557/proc-760-jj1.4.
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ABSTRACTA new Materials Science and Engineering (MSE) curriculum is in effect at the Ohio State University starting fall, 2002. This curriculum is composed of four parts:1) General Education Core (required by the University of all undergraduates).2) Engineering Core (required by the College of Engineering). This includes courses in English, Math, Physics, Chemistry, Statistics, Programming, Statics, and Stress Analysis.3) Materials Science and Engineering Core (required by the MSE Department). It includes courses on Atomic Scale Structure, Microstructure and Characterization, Mechanical Behavior, Electrical Properties, Thermodynamics, Transport and Kinetics, Phase Diagrams, Phase Transformations, Modeling of Material Processes, Materials Selection, and Materials Performance).4) MSE-Specialization in the senior year (required by the MSE Department). Novel features of the new curriculum include:1) concentration in a specialized area of MSE in the senior year.2) increased exposure to MSE courses in the second year.3) increased industrial exposure.4) redesigned laboratory courses.
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Cosby, Ronald M. "Strengthening Nanoscience Education through Multidisciplinary Collaborations." MRS Proceedings 931 (2006). http://dx.doi.org/10.1557/proc-0931-kk04-03.
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ABSTRACTRecent collaborations with science and engineering faculty in major research universities have dramatically increased and strengthened research and educational opportunities in nanoscience and nanotechnology at Ball State University. The three-year Center for Computational Nanoscience (CCN) project involved eleven co-principal investigators from three disciplines (physics, chemistry, electrical engineering) and five universities, including Ball State University, University of Notre Dame, Ohio University, Purdue University, and Valparaiso University. Funded by the Indiana 21st Century Research and Technology Fund, this $1.5 million project focused on theoretical and computational investigations of the electrical and optical properties of quantum dots and included partial support for software development for the Purdue NanoHub, a web-based software repository. The effects of this collaborative project (and previous contacts) on nanoscience education and research at the undergraduate and master's levels in the Department of Physics & Astronomy at Ball State University have been extensive and are described in this paper. University and community impacts include an enhanced awareness of nanoscience and nanotechnology.
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"Spatial and temporal ultrasonic intensity characterization B. Ho, D. Ye and N.H. Wang, Biomedical Ultrasound Laboratory, Department of Electrical Engineering, Michigan State University, East Lansing, MI 48072." Ultrasonic Imaging 9, no. 1 (January 1987): 70. http://dx.doi.org/10.1016/0161-7346(87)90062-9.
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"Mapping of internal temperature distribution by ultrasound M. Zhang, M. Bao and B. Ho, Ultrasound Research Laboratory, Electrical Engineering Department, Michigan State University, E. Lansing, MI 48824." Ultrasonic Imaging 12, no. 2 (April 1990): 137. http://dx.doi.org/10.1016/0161-7346(90)90183-x.
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Wlodyka, Mark, and Bruno Tomberli. "INCORPORATING A COMMUNITY-BASED RAPID MANUFACTURING FACILITY INTO A FIRST YEAR ENGINEERING DESIGN COURSE." Proceedings of the Canadian Engineering Education Association (CEEA), January 28, 2017. http://dx.doi.org/10.24908/pceea.v0i0.6545.
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University engineering departments are often challenged to maintain state of the art manufacturing facilities due to the rapid technological changes that are occurring in industry. Older or obsolete engineering laboratory equipment, manufacturing machines, and design tools are difficult to replace due to limited department budgets, space, and staff resources.At Capilano University, where a hands-on project-based one semester first year engineering design class is offered, the Engineering department has taken a novel approach to meet the above challenge.The Engineering Design students are required to design, build, and test original prototype electrical circuits, and mechanical structures as part of their design projects. Construction of these student-designed units requires a rapid turnaround manufacturing facility to meet the peak demands of the students, capabilities that smaller universities are often limited in their ability to provide.To meet this specific requirement, a community-based private rapid prototyping design and manufacturing facility, Zen Maker Labs, was approached, and a partnership agreement has been developed. The agreement consisted of cooperation between the university and the Zen Maker Lab to support up to 60 engineering design students. The students were provided with tools, safety training, and support for manufacturing. The facility has provided CAD design stations, several 3D printers, laser cutters, and numerically controlled milling machines to support manufacturing of student designs. Access to the manufacturing facility was initially provided on subscription basis, where students used the library to “sign-out” membership cards, and access the facility on a controlled, supervised basis. The controlling of student numbers through the university library provided a method for managing student access to themanufacturing facility over a period of 8-10 weeks. This arrangement for laboratory access has recently been expanded through a revised collaboration arrangement, and has provided engineering design students with handson experience with several manufacturing technologies and CAD engineering modelling and design tools.
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"Experimental results of ultrasonic attenuation imaging B. Ho, L. T. Wu, R. Zapp, and J. Giesey, Biomedical Ultrasound Laboratory, Department of Electrical Engineering, Michigan State University, East Lansing, MI 48824." Ultrasonic Imaging 7, no. 1 (January 1985): 86. http://dx.doi.org/10.1016/0161-7346(85)90031-8.
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"Attenuation and velocity imaging of biological tissues by broadband ultrasonic signals N.H. Wang, B. Ho and R. Zapp, Ultrasound Research Laboratory, Electrical Engineering Department, Michigan State University, E. Lansing, MI 48824." Ultrasonic Imaging 12, no. 2 (April 1990): 137–38. http://dx.doi.org/10.1016/0161-7346(90)90184-y.
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"Evaluation of tissue attenuation property by a bidirectional pulse-echo interrogation technique T.S. Chen, B. Ho and R. Zapp, Ultrasound Research Laboratory, Electrical Engineering Department, Michigan State University, East Lansing, MI 48824." Ultrasonic Imaging 12, no. 2 (April 1990): 138. http://dx.doi.org/10.1016/0161-7346(90)90185-z.
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"Techniques for improving accuracy in B-mode imaging B. Ho, L.T. Wu, R. Zapp, T.S. Chen, and M. Tennes, Biomedical Ultrasound Laboratory, Department of Electrical Engineering, Michigan State University, East Lansing, MI 48824." Ultrasonic Imaging 8, no. 1 (January 1986): 40–41. http://dx.doi.org/10.1016/0161-7346(86)90032-5.
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Semenov, Dmitry, Anna Sidorova, Pavel Romanov, and Aleksey Kuvshinov. "Examination of State of the Cable Insulation by the Return Voltage." International Journal of Emerging Electric Power Systems 19, no. 6 (October 31, 2018). http://dx.doi.org/10.1515/ijeeps-2018-0167.
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Abstract The relevance of the study is conditioned by the need to determine the state and residual life duration of high-voltage cable lines to identify faulty and maintainable cables. The aim of the article is to determine a reliable scientifically grounded criterion for assessment of insulation characteristics of the cables in use and to perform a comparative analysis of the results obtained by the traditional method of diagnosing insulation with the results of a new method of assessment by the return voltage. In this regard, the article deals with the issues related to the testing of cables having oil-impregnated paper insulation, as well as with the issue of switching from planned replacement of cables to assessment of their actual state and period of residual life. The authors propose to use the method of examining the cables by the return voltage using the device for testing electrical insulation “UDEI-1” developed at the department of Electrification and Automation of the Nizhny Novgorod State University of Engineering and Economics. The article presents the results of measuring the return voltage of three cables that operated under different conditions. The cables had different technical state. The analysis of the estimation of the residual life of cables by the return voltage was carried out using such criteria as the PIRV polarization index, the LIRV electrical conductivity index, and the P-factor. The P-factor is the physical criterion demonstrating the aging of paper-oil insulation by the shape of the return voltage curve. It represents such characteristics of insulation aging as moistening. To compare the results of testing the cables by the return voltage with the conventional methods of diagnostics and to determine the actual technical condition of power cables, the authors applied the method of spatiotemporal reflectometry and the method of measuring insulation resistance with the determination of such indicators of state as insulation resistance normalized per one kilometer, absorption coefficient, and polarization index. The results of this article confirm that the return voltage gives a qualitative assessment of the state and degree of aging of cables with impregnated paper insulation. The authors proposed a new system for evaluation of cable condition by weighting coefficients. In this approach, the determination of residual life of cables with impregnated paper insulation is based on the values of the return voltage. Application of the new system gives opportunity to improve reliability of the power lines. Recommendations for the further operation of the studied cables are given. The materials of the article are of practical value for carrying out complex assessment of the technical condition of power cables by the return voltage and can be useful for drawing up a schedule for replacement or repair of cable lines depending on their actual state.
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Jensen, Nick, Brent Fukuda, and Philip Daum. "COGNITIVE STRATEGIES IN STUDENT TEAM PROJECTS." Proceedings of the Canadian Engineering Education Association (CEEA), August 15, 2011. http://dx.doi.org/10.24908/pceea.v0i0.3891.
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This paper illustrates the learning benefits and the collective efficacy of student project teams in engineering design education. We describe the impact of learning for a fourth year design project on student lifetime knowledge at both ends: project builders (fourth year students enrolled in the three programs of Electrical, Computer and Software engineering of the Department of Electrical and Computer Engineering of the University of Calgary) and product users- all students taking electric circuits laboratories (for our programs or from the Faculty of Engineering-common core). Much understanding about learning and cognition has been achieved during the cognitive analysis of the course outcomes for the first course on digital circuits offered in the Department of Electrical and Computer Engineering of the University of Calgary. As a result, we present cognitive strategies and their use in the introduction of simple digital circuits (flip-flops) and the design of a traffic light controller. We have developed a virtual laboratory with digital circuits and instrumentation components is a first attempt to motivate students to do the pre-lab exercises for digital and electric circuits and reuse them to refresh their training in using the appropriate functions of the buttons and devices needed for any electronic data generation and acquisition. The components of this educational environment have been created based on the criteria of professionalism stated by the guidelines of the Association of Professional Engineers, Geophysicists and Geologists of Alberta (APEGGA) and the University of Calgary learning plan. Over the past four years, six student teams have undertaken and successfully accomplished design projects which produced the main components of the departmental virtual laboratory: real-time control of electronic instruments and of a traffic light, traffic signal simulation with a digitized voice synthesis tool and operational simulation of simple finite state machines. The educational site integrates exercises with progressive degree of difficulty, from simple gates to digital controllers. The students are invited to take a virtual visit of the laboratory rooms in which they will perform course required experiments in order to easier locate the devices to be used as well as operate them appropriately. For project completion, the teams have been trained to adopt a framework for implementing a hierarchical model of learning as the basis for developing skills and methods.