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Artykuły w czasopismach na temat "Computer input-output equipment Design Data processing"
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Ziauddin, Ziauddin. "Sistem Pendataan Keanggotaan pada Kantor Asosiasi Kontraktor Aceh (AKA)". Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) 4, nr 2 (8.05.2020): 60. http://dx.doi.org/10.35870/jtik.v4i2.108.
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The purpose of this study is to design and create a member (company) data processing system at the Bireuen Branch Aceh Contractors Association Office (AKA) so that information about member data becomes more directed and easily obtained and documented. Rapid Application Development (RAD) is used as an application development model. The company's data collection system at the Aceh Contractors Association Office (AKA) follows procedures and uses a computer with the Visual Basic programming language and Microsoft Access database, inputting data in this design is input for business entities, inputting data on deed, inputting data on management, inputting data on labor, inputting on data, work equipment data and input work experience data. The resulting design can explain data based on business entity data reports, work experience reports, business entity management reports, work equipment reports, employment reports and membership card reports.Keywords:System, Data Collection, Membership, Office of the Aceh Contractors Association (AKA).
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Wang, Yue, i Jia Ying Zhang. "Research on Embedded Numerical Control System Software Based on ARM Microprocessor". Advanced Materials Research 430-432 (styczeń 2012): 2026–31. http://dx.doi.org/10.4028/www.scientific.net/amr.430-432.2026.
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The design thought of "dual-CPU architecture" is used on the basis of a deep study of embedded systems and multi-functional CNC machine tools. That is to say, microprocessor S3C2440A of Samsung ARM9 series is used as control core, whose PWM timer produces pulse to realize the automatic control of the process. As the main control center, it plays the main functions of NC program input, keyboard entry, LCD display, the interpretation of the program, crude interpolation and so on. Using CPU as auxiliary equipment, it receives signals from master control center to realize fine interpolation through further calculation. Simultaneously the periphery of the system expands modules of human-computer interaction, communication, servo, and input/output to realize human-machine interaction, data communication and motor control. Finally, the hardware modules are debugged and the results are analyzed, which shows that the system is of fast response, reliability, low cost and good cutting and portability. This system has achieved the desired anticipation and has broad prospect in the economical CNC field which requires fast moving and proper processing speed.
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Murfianah, Anggi, Krismadinata Krismadinata i Yoan Elviralita. "Data Acquisition of PV Mini-Grid Voltage and Current using Arduino and PLX-DAQ". MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering 3, nr 2 (31.05.2021): 77–84. http://dx.doi.org/10.46574/motivection.v3i2.88.
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Solar panels are the main equipment for a solar power generation system that functions to convert sunlight energy directly into electrical energy. The solar panel performance monitoring system is designed to be equipped with current and voltage measuring sensors that have been integrated into an Excel Spreadsheet using the PLX-DAQ application program. Arduino Nano based system design and connected to a computer via USB. The advantage of this monitoring system is that measurement results from sensors can be processed directly and displayed in the form of data and graphics in real time conditions. This makes it easy for data processing.
Panel surya adalah peralatan utama sistem pembangkit listrik tenaga surya yang berfungsi untuk mengkonversikan energi cahaya matahari menjadi energi listrik secara langsung. Untuk memenuhi keperluan pemantauan output panel surya, sistem pemantauan (monitoring) kinerja panel surya dirancang dilengkapi dengan sensor pengukur arus dan tegangan yang diintegrasikan ke Spreadsheet Excel menggunakan program aplikasi PLX-DAQ. Perancangan sistem berbasis Arduino nano dan dihubungkan ke komputer melalui USB. Kelebihan dari sistem pemantauan ini adalah hasil pengukuran dari sensor dapat diproses secara langsung dan ditampilkan dalam bentuk data dan grafik pada kondisi real time. Hal ini memberikan kemudahan untuk pengolahan data.
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Kang, Sung-O., Eul-Bum Lee i Hum-Kyung Baek. "A Digitization and Conversion Tool for Imaged Drawings to Intelligent Piping and Instrumentation Diagrams (P&ID)". Energies 12, nr 13 (5.07.2019): 2593. http://dx.doi.org/10.3390/en12132593.
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In the Fourth Industrial Revolution, artificial intelligence technology and big data science are emerging rapidly. To apply these informational technologies to the engineering industries, it is essential to digitize the data that are currently archived in image or hard-copy format. For previously created design drawings, the consistency between the design products is reduced in the digitization process, and the accuracy and reliability of estimates of the equipment and materials by the digitized drawings are remarkably low. In this paper, we propose a method and system of automatically recognizing and extracting design information from imaged piping and instrumentation diagram (P&ID) drawings and automatically generating digitized drawings based on the extracted data by using digital image processing techniques such as template matching and sliding window method. First, the symbols are recognized by template matching and extracted from the imaged P&ID drawing and registered automatically in the database. Then, lines and text are recognized and extracted from in the imaged P&ID drawing using the sliding window method and aspect ratio calculation, respectively. The extracted symbols for equipment and lines are associated with the attributes of the closest text and are stored in the database in neutral format. It is mapped with the predefined intelligent P&ID information and transformed to commercial P&ID tool formats with the associated information stored. As illustrated through the validation case studies, the intelligent digitized drawings generated by the above automatic conversion system, the consistency of the design product is maintained, and the problems experienced with the traditional and manual P&ID input method by engineering companies, such as time consumption, missing items, and misspellings, are solved through the final fine-tune validation process.
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Stević, Stevan, Momčilo Krunić, Marko Dragojević i Nives Kaprocki. "Development of ADAS perception applications in ROS and "Software-In-the-Loop" validation with CARLA simulator". Telfor Journal 12, nr 1 (2020): 40–45. http://dx.doi.org/10.5937/telfor2001040s.
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Higher levels of autonomous driving are bringing sophisticated requirements and unpredicted challenges. In order to solve these problems, the set of functionalities in modern vehicles is growing in terms of algorithmic complexity and required hardware. The risk of testing implemented solutions in real world is high, expensive and time consuming. This is the reason for virtual automotive simulation tools for testing are heavily acclaimed. Original Equipment Manufacturers (OEMs) use these tools to create closed sense, compute, act loop to have realistic testing scenarios. Production software is tested against simulated sensing data. Based on these inputs a set of actions is produced and simulated which generates consequences that are evaluated. This creates a possibility for OEMs to minimize design errors and optimize costs of the vehicle production before any physical prototypes are produced. This paper presents the development of simple C++/Python perception applications that can be used in driver assistance functionalities. Using ROS as a prototyping platform these applications are validated and tested with "Software-In-the Loop" (SIL) method. CARLA simulator is used as a generator for input data and output commands of the autonomous platform are executed as simulated actions within simulator. Validation is done by connecting Autoware autonomous platform with CARLA simulator in order to test against various scenes in which applications are applicable. Vision based lane detection, which is one of the prototypes, is also tested in a real world scenario to demonstrate the applicability of algorithms developed with simulators to real-time processing
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Makshakov, A. V., Yu I. Shtern, O. S. Volkova i K. A. Vasilchenko. "Method and Hardware-Software for Measuring Altitude of Aircraft and Descent Facilities with Increased Accuracy". Proceedings of Universities. Electronics 25, nr 5 (październik 2020): 452–64. http://dx.doi.org/10.24151/1561-5405-2020-25-5-452-464.
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Reliable, accident-free operation of extra light aviation, drone aircraft, the parachute equipment for landing of people and loads, demands to increase an accuracy of determination of height for the purpose of their safe maneuvering, descent and landing. In the work the critical analysis of existing methods of the height measurement has been carried out for the purpose of defining the most accurate ones and the preference has been given to the barometric method. To decrease the measurement errors, the smart altimeter sensors (SAS) intellectual sensors have been developed, and on their basis the prototype of a barometric altimeter have been designed. In the course of computer modeling and prototyping it has been determined that in designing the altimeter it is necessary to use several SAS, and the accuracy of measurements is essentially affected by an arrangement of sensors on a flying object. The developed method of the height measurement using SAS includes the hardware-software compensation of the errors, caused by the atmospheric phenomena and aerodynamic parameters of the flying object design. The hardware – software for processing the measured data has been developed as well as the software for functioning of intelligent pressure sensor, automatic data processing and the information output to the altimeter display. The tests on the offered technique and hardware – software have been carried out in actual practice of operation. The developed altimeter has been installed on the equipment of a parachutist. In the test result it has been determined that the developed original method and the hardware – software permit to significantly decrease the errors of measurements, which do not exceed 1 meter while the airflow moving at speeds up to 8 meters per second 5 meters up to 70 meters per second
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Micieta, Branislav, Jolanta Staszewska, Matej Kovalsky, Martin Krajcovic, Vladimira Binasova, Ladislav Papanek i Ivan Antoniuk. "Innovative System for Scheduling Production Using a Combination of Parametric Simulation Models". Sustainability 13, nr 17 (24.08.2021): 9518. http://dx.doi.org/10.3390/su13179518.
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The article deals with the design of an innovative system for scheduling piece and small series discrete production using a combination of parametric simulation models and selected optimization methods. An innovative system for solving production scheduling problems is created based on data from a real production system at the workshop level. The methodology of the innovative system using simulation and optimization methods deals with the sequential scheduling problem due to its versatility, which includes several production systems and due to the fact that in practice, several modifications to production scheduling problems are encountered. Proposals of individual modules of the innovative system with the proposed communication channels have been presented, which connect the individual elements of the created library of objects for solving problems of sequential production scheduling. With the help of created communication channels, it is possible to apply individual parameters of a real production system directly to the assembled simulation model. In this system, an initial set of optimization methods is deployed, which can be applied to solve the sequential problem of production scheduling. The benefit of the solution is an innovative system that defines the content of the necessary data for working with the innovative system and the design of output reports that the proposed system provides for production planning for the production shopfloor level. The DPSS system works with several optimization methods (CR—Critical Ratio, S/RO—Slack/Remaining Operations, FDD—Flow Due Date, MWKR—Most Work Remaining, WSL—Waiting Slack, OPFSLK/PK—Operational Flow Slack per Processing Time) and the simulation experiments prove that the most suitable solution for the FT10 problem is the critical ratio method in which the replaceability of the equipment was not considered. The total length of finding all solutions by the DPSS system was 1.68 min. The main benefit of the DPSS system is the combination of two effectively used techniques not only in practice, but also in research; the mentioned techniques are production scheduling and discrete computer simulation. By combining techniques, it is possible to generate a dynamically and interactively changing simulated production program. Subsequently, it is possible to decide in the emerging conditions of certainty, uncertainty, but also risk. To determine the conditions, models of production systems are used, which represent physical production systems with their complex internal processes. Another benefit of combining techniques is the ability to evaluate a production system with a number of emerging problem modifications.
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David, Jiří, Pavel Švec, Vít Pasker i Romana Garzinová. "Usage of Real Time Machine Vision in Rolling Mill". Sustainability 13, nr 7 (31.03.2021): 3851. http://dx.doi.org/10.3390/su13073851.
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This article deals with the issue of computer vision on a rolling mill. The main goal of this article is to describe the designed and implemented algorithm for the automatic identification of the character string of billets on the rolling mill. The algorithm allows the conversion of image information from the front of the billet, which enters the rolling process, into a string of characters, which is further used to control the technological process. The purpose of this identification is to prevent the input pieces from being confused because different parameters of the rolling process are set for different pieces. In solving this task, it was necessary to design the optimal technical equipment for image capture, choose the appropriate lighting, search for text and recognize individual symbols, and insert them into the control system. The research methodology is based on the empirical-quantitative principle, the basis of which is the analysis of experimentally obtained data (photographs of billet faces) in real operating conditions leading to their interpretation (transformation into the shape of a digital chain). The first part of the article briefly describes the billet identification system from the point of view of technology and hardware resources. The next parts are devoted to the main parts of the algorithm of automatic identification—optical recognition of strings and recognition of individual characters of the chain using artificial intelligence. The method of optical character recognition using artificial neural networks is the basic algorithm of the system of automatic identification of billets and eliminates ambiguities during their further processing. Successful implementation of the automatic inspection system will increase the share of operation automation and lead to ensuring automatic inspection of steel billets according to the production plan. This issue is related to the trend of digitization of individual technological processes in metallurgy and also to the social sustainability of processes, which means the elimination of human errors in the management of the billet rolling process.
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Wang, Xian, Zhe Wang, Tai Yong Wang, Fu Xun Lin i Yin Ming Ge. "The Design and Realization of CNC System Test Board Based on STM32". Advanced Materials Research 694-697 (maj 2013): 1215–18. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.1215.
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According to the complicated operation,time-consuming limitations of traditional CNC system test equipment,a test board with STM32 as the central controller is designed.The board has RS232 serial communication function,together with input and output channels of CNC system interface signals.Firstly, this paper introduces the whole structure and hardware interface circuit of the test board. Secondly,in the MDK programming platform,the test programs of data receiving, processing, control and communication are designed. Finally,the system test is accomplished through the joint debugging of the software and hardware system. The test board has been proved to have good stability and scalability,and successfully applied to the practical production.
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Takagi, Taro, i Ikuro Mizumoto. "PFC design method with input/output data of controlled system via DE". Electronics and Communications in Japan 101, nr 9 (20.07.2018): 48–54. http://dx.doi.org/10.1002/ecj.12109.
Pełny tekst źródłaRozprawy doktorskie na temat "Computer input-output equipment Design Data processing"
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Janse, van Rensburg HP. "Development of a digitising workstation for the electronics laboratory utilising the personal computer". Thesis, Cape Technikon, 1994. http://hdl.handle.net/20.500.11838/1081.
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Thesis (Masters Diploma (Electrical Engineering)--Cape Technikon, Cape Town,1994This thesis describes the design, development and implementation of a digitising workstation for the electronics laboratory that utilises the personal computer.
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Heasman, Ray Edward. "The implementation of a core architecture for geophysical data acquisition". Thesis, Rhodes University, 2000. http://hdl.handle.net/10962/d1005256.
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This thesis describes the design, development and implementation of the core hardware and software of a modular data acquisition system for geophysical data collection. The primary application for this system is the acquisition and realtime processing of seismic data captured in mines. This system will be used by a commercial supplier of seismic instrumentation, ISS International, as a base architecture for the development of future products. The hardware and software has been designed to be extendable and support distributed processing. The IEEE-1394 High Performance Serial Bus is used to communicate with other CPU modules or peripherals. The software includes a pre-emptive multitasking microkernel, an asynchronous mailbox-based message passing communications system, and a functional IEEE-1394 protocol stack. The reasons for the end design and implementation decisions are given, and the problems encountered in the development of this system are described. A critical assessment of the match between the requirements for the project and the functionality of the implementation is made.
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Rajaram, Kumaran. "Principal design criteria influencing the performance of a portable, high performance parallel I/O implementation". Master's thesis, Mississippi State : Mississippi State University, 2002. http://library.msstate.edu/etd/show.asp?etd=etd-04052002-105711.
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Nimgaonkar, Satyajeet. "Secure and Energy Efficient Execution Frameworks Using Virtualization and Light-weight Cryptographic Components". Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc699986/.
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Security is a primary concern in this era of pervasive computing. Hardware based security mechanisms facilitate the construction of trustworthy secure systems; however, existing hardware security approaches require modifications to the micro-architecture of the processor and such changes are extremely time consuming and expensive to test and implement. Additionally, they incorporate cryptographic security mechanisms that are computationally intensive and account for excessive energy consumption, which significantly degrades the performance of the system. In this dissertation, I explore the domain of hardware based security approaches with an objective to overcome the issues that impede their usability. I have proposed viable solutions to successfully test and implement hardware security mechanisms in real world computing systems. Moreover, with an emphasis on cryptographic memory integrity verification technique and embedded systems as the target application, I have presented energy efficient architectures that considerably reduce the energy consumption of the security mechanisms, thereby improving the performance of the system. The detailed simulation results show that the average energy savings are in the range of 36% to 99% during the memory integrity verification phase, whereas the total power savings of the entire embedded processor are approximately 57%.
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Kestell, Colin D. (Colin David). "Active control of sound in a small single engine aircraft cabin with virtual error sensors". 2000. http://thesis.library.adelaide.edu.au/public/adt-SUA20010216.164243/index.html.
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Bibliography: p. 199-207. Electronic publication; full text available in PDF format; abstract in HTML format. Describes the basis of a theoretical and experimental project, directed at the design and evaluation of a practical active noise control system suitable for a single light engine aircraft. The performance of virtual sensors were evaluated both analytically and experimentally in progressively more complex environments to identify their capabilities and limitations. Electronic reproduction.[Australia] :Australian Digital Theses Program,2001.
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Molepo, Isaih Kgabe. "Data acquisition system for pilot mill". Diss., 2016. http://hdl.handle.net/10500/22967.
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This dissertation describes the development, design, implementation and evaluation of a data
acquisition system, with the main aim of using it for data collection on a laboratory pilot ball
mill. An open-source prototype hardware platform was utilised in the implementation of the
data acquisition function, however, with limitations. An analogue signal conditioning card has
been successfully developed to interface the analogue signals to the dual domain ADC
module. Model-based software development was used to design and develop the algorithms to
control the DAS acquisition process, but with limited capabilities. A GUI application has been
developed and used for the collection and storage of the raw data on the host system. The
DAS prototype was calibrated and collected data successfully through all the channels;
however, the input signal bandwidth was limited to 2Hz.Electrical and Mining Engineering
M. Tech. (Electrical Engineering)
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Ficaro, Edward P. "The design and implementation of a data acquisition system for the Ford Nuclear Reactor". 1987. http://catalog.hathitrust.org/api/volumes/oclc/68787506.html.
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"A calibration method for MEMS inertial sensors based on optical techniques". 2008. http://library.cuhk.edu.hk/record=b5893545.
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Dong, Zhuxin.Thesis (M.Phil.)--Chinese University of Hong Kong, 2008.
Includes bibliographical references (leaves 77-80).
Abstracts in English and Chinese.
Abstract --- p.ii
摘要 --- p.iii
Acknowledgements --- p.iv
Table of Contents --- p.v
List of Figures --- p.vii
List of Tables --- p.ix
Chapter Chapter 1 --- Introduction --- p.1
Chapter 1.1 --- Architecture of UDWI --- p.3
Chapter 1.2 --- Background of IMU Sensor Calibration --- p.5
Chapter 1.3 --- Organization --- p.7
Chapter Chapter 2 --- 2D Motion Calibration --- p.10
Chapter 2.1 --- Experimental Platform --- p.10
Chapter 2.1.1 --- Transparent Table --- p.10
Chapter 2.2 --- Matching Algorithm --- p.13
Chapter 2.2.1 --- Motion Analysis --- p.13
Chapter 2.2.2 --- Core Algorithm and Matching Criterion --- p.14
Chapter 2.3 --- Usage of High Speed Camera --- p.17
Chapter 2.4 --- Functions Realized --- p.17
Chapter Chapter 3 --- Usage of Camera Calibration --- p.21
Chapter 3.1 --- Introduction to Camera Calibration --- p.21
Chapter 3.1.1 --- Related Coordinate Frames --- p.21
Chapter 3.1.2 --- Pin-Hole Model --- p.24
Chapter 3.2 --- Calibration for Nonlinear Model --- p.27
Chapter 3.3 --- Implementation of Process to Calibrate Camera --- p.28
Chapter 3.3.1 --- Image Capture --- p.28
Chapter 3.3.2 --- Define World Frame and Extract Corners --- p.28
Chapter 3.3.3 --- Main Calibration --- p.30
Chapter 3.4 --- Calibration Results of High Speed Camera --- p.33
Chapter 3.4.1 --- Lens Selection --- p.33
Chapter 3.4.2 --- Property of High Speed Camera --- p.34
Chapter Chapter 4 --- 3D Attitude Calibration --- p.36
Chapter 4.1 --- The Necessity of Attitude Calibration --- p.36
Chapter 4.2 --- Stereo Vision and 3D Reconstruction --- p.37
Chapter 4.2.1 --- Physical Meaning and Mathematical Model Proof --- p.37
Chapter 4.2.2 --- 3D Point Reconstruction --- p.38
Chapter 4.3 --- Example of 3D Point Reconstruction --- p.40
Chapter 4.4 --- Idea of Attitude Calibration --- p.42
Chapter Chapter 5 --- Experimental Results --- p.45
Chapter 5.1 --- Calculation of Proportional Parameter --- p.45
Chapter 5.2 --- Accuracy Test of Stroke Reconstruction --- p.46
Chapter 5.3 --- Writing Experiments of 26 Letters --- p.47
Chapter 5.3.1 --- Experimental Results of Letter b --- p.48
Chapter 5.3.2 --- Experimental Results of Letter n with ZVC --- p.51
Chapter 5.3.3 --- Experimental Results of Letter u --- p.54
Chapter 5.4 --- Writing of Single Letter s - Multiple Tests --- p.56
Chapter 5.5 --- Analysis on Resolution Property of Current Vision Algorithm --- p.58
Chapter 5.5.1 --- Resolution of Current Algorithm --- p.58
Chapter 5.5.2 --- Tests with Various Filters --- p.59
Chapter 5.6 --- Calculation of Static Attitude --- p.61
Chapter Chapter 6 --- Future Work --- p.64
Chapter 6.1 --- Another Multiple Tests of Letter k --- p.64
Chapter 6.2 --- Letter Recognition Based on Neural Networks Classification --- p.66
Chapter Chapter 7 --- Conclusion --- p.69
Chapter 7.1 --- Calibration ofMAG-μlMU Sensors --- p.69
Chapter 7.2 --- Calibration of Accelerometers --- p.70
Chapter 7.3 --- Calibration of Attitude --- p.70
Chapter 7.4 --- Future Work --- p.71
Appendix A The Experimental Results of Writing English Letters --- p.72
Książki na temat "Computer input-output equipment Design Data processing"
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Advanced instrumentation and computer I/O design: Real-time system computer interface engineering. New York: IEEE Press, 1994.
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Advanced instrumentation and computer I/O design: Defined accuracy decision and control with process applications. Hoboken, New Jersey: IEEE Press, 2013.
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Krishnaswamy, Smita. Design, Analysis and Test of Logic Circuits Under Uncertainty. Dordrecht: Springer Netherlands, 2013.
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Jain, Ravi. Input/Output in Parallel and Distributed Computer Systems. Boston, MA: Springer US, 1996.
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J, Comer David, red. Physical data acquisition for digital processing: Components, parameters, and specifications. Englewood Cliffs, N.J: Prentice Hall, 1992.
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Madison, Dana E. Data modeling abstractions and graphical interface for supporting the construction design process. Monterey, California: Naval Postgraduate School, 1986.
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The computerized appraisal office. Chicago, Ill: Appraisal Institute, 1996.
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Holloway, Henry. An introduction to generic coding and SGML. London: British Library Board, 1987.
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Alshawi, Hiyan. Memory and context for language interpretation. Cambridge: Cambridge University Press, 1987.
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Memory and context for language interpretation. Cambridge [Cambridgeshire]: Cambridge University Press, 1987.
Znajdź pełny tekst źródłaCzęści książek na temat "Computer input-output equipment Design Data processing"
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Bonarini, Andrea, Simone Ceriani, Giulio Fontana i Matteo Matteucci. "On the Development of a Multi-Modal Autonomous Wheelchair". W Handbook of Research on ICTs for Human-Centered Healthcare and Social Care Services, 727–48. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-3986-7.ch038.
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The purpose of this chapter is twofold: on one hand, it aims at defining a clear framework for the design and implementation of autonomous wheelchairs, highlighting the main challenges; on the other hand, it presents a complete and working system of such type, called LURCH. This incorporates technology from autonomous robotics, and interacts with its user through a multi-modal user interface, including joystick, touch screen, electromyographic control, or brain-computer interface. If required, other input methods and controllers can be seamlessly integrated. The result is an autonomous wheelchair capable of supporting user mobility while adapting its level of autonomy both to the abilities and to the requirements of the user. Moreover, the capabilities of such a system (in terms of perception, data processing, user interface, communication) open the way to novel modes of interaction between environment and wheelchair users, really making the latter differently able, i.e., endowing them with abilities that walking people cannot access without special equipment.
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Gwangwava, Norman. "Design of Cloud-Based CAPP System to Aid Process Planning for Sheet Metal Products". W E-Manufacturing and E-Service Strategies in Contemporary Organizations, 242–69. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3628-4.ch010.
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In the design of new products, it is usual for different planners to specify different processing routes for the same part, which do not always incorporate the optimal solution to the problem. Computerization of process planning has evolved as a solution to speed up planning for new products. The essence of the chapter is to explore machine capabilities, parameters, and constrains inherent in sheet metal forming processes and then illustrate CAPP software design for process sequencing for new products to support standardisation of production routes. The verification of the designed CAPP system has realised significant savings of 40% reduction in process planning effort, 5% in material, 15% in scrap and 10% in tooling. In order to design the cloud-based CAPP system, data was gathered on the machinery capabilities for the sheet metal operations in a case study company that manufactures sheet metal accessories for the construction industry. A computer-based system was developed to store the machinery tool capabilities and their functional parameters and to facilitate sharing of information across the system modules. Autodesk Inventor® was used as the source of input for the CAD models into the system. Visual Basic.NET programming language was used to design a module for feature recognition (FR) to capture characteristics from a CAD model drawing of the new sheet metal product. A module was then developed to sequence the process operations for the CAD model based on the part features. The process sequencing system helps designers and process planners to link the new model design with the production path, the tools, and equipment required in order to improve their design and planning in the early stages of the product life cycle.
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M, Santhiya, Siva Rathnam M, Radha Krishnan T i Nishanth S. "Smart Forest Fire Identification and Notification System Using Iot Based Wireless Sensor Networks". W Intelligent Systems and Computer Technology. IOS Press, 2020. http://dx.doi.org/10.3233/apc200203.
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Wildlife and wildlife authorities face the problem of animal migration from woodland to residential areas in the present environment. Natural calamities triggered by nature, wind and dry undergrowth will destroy acres of land and consume everything in their way that causes significant harm to both natural and human capital. The proposed system to design an IoT-based system that will be able to detect the fire as soon as possible before the fire spreads over the wide area and prevent poaching. Raspberry interfacing with a temperature sensor, a smoke sensor, webcam and a buzzer. GSM gateway is used to conduct this project to provide the user with the final SMS via given number in simulation program. The temperature sensor used to indicate high and low temperatures, the PIR sensor designed to track human activity on the LCD display, the flame sensor used to signify the intensity of flames and the forest fire observed on the LCD display. Once large, image processing is used to determine the accuracy of the fire rate. Wireless Sensor Network (WSN) for data processing to be used as input data in our control system. WSN comprising of temperature sensor system and GPS module to sense forest fire by measuring the level and sending its position to the server utilizing GSM communication contact and GPS functionality. Raspberry Pi cluster, a complicated computation is broken into multiple parts using MPI, and each component runs on separate raspberry pi device. Such sections will be analysed in sequence and then MPI must merge the output and turn it over to the user, essentially they operate as individual units (but in tandem and together) to produce very quick results.
Streszczenia konferencji na temat "Computer input-output equipment Design Data processing"
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Dini, Said, Mohammad Khosrowjerdi i James Aflaki. "Heat Pump Experiment With a Computer Interface for Control, Data Acquisition, and Analysis". W ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/detc2002/cie-34408.
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This paper describes an effective, but simple, technique using a computer interface for control, data acquisition, and processing of a heat pump laboratory experiment. A water-to-air heat pump that allows comfort cooling and heating from a single source is used as an experiment and will be incorporated in a Mechanical Engineering Laboratory Course. Presently, the source is the city water. Plans are in place to use a ground source that provides a relatively constant temperature water supply, as low as 45°F. This well-instrumented laboratory teaching equipment allows students to measure temperatures, pressures, flow rate, and power input and then calculate the coefficient of performance of the system and the efficiency of the compressor both manually and automatically. A self-contained Windows-based data collection and analysis system has been developed for automating all the manual functions of a WPH-J Series Water-to-Air Heat Pump from Heat Controller, Inc. This system uses a data acquisition board to read the voltage signals corresponding to 9 T-type thermocouples, three pressure gauges, and compressor supplied power. The data acquisition and control software written in Visual Basic 6 uses 32-bit libraries to control the operation mode, read the thermocouples’ voltages, water flow rate, compressor’s input and output pressure, and supplied power.
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Lu, Yan, Sangsu Choi i Paul Witherell. "Towards an Integrated Data Schema Design for Additive Manufacturing: Conceptual Modeling". W ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-47802.
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Large amounts of data are generated, exchanged, and used during an additive manufacturing (AM) build. While the AM data from a single build is essential for establishing part traceability, when methodically collected, the full processing history of thousands of components can be mined to advance our understanding of AM processes. Hence, this full body of data must be captured, stored, and properly managed for easy query and analysis. An innovative, AM-specific data model is necessary for establishing of a comprehensive AM information management system. This paper introduces our work towards designing a complete and integrated data model for AM processes. We begin by defining the scope and specifying the requirements of such a data schema. We investigate how information created and exchanged in the AM process chain is identified based on an AM process activity diagram. A comprehensive survey shows that existing AM standards are unable to provide both the breadth and the depth needed for an integrated AM information model. We propose a conceptual design for an additive manufacturing integrated data model, AMIDM, based on a well-defined product lifecycle management (PLM) data modeling method called PPR (product, process, and resource). The proposed AM model has a core scheme composed of product, process, and resource entities. The process entities play critical roles in transforming product input into product output using assigned resources such as equipment, material, personnel, and software tools. The proposed model has been applied to an information system design for Powder Bed Fusion based AM experimental data management. An XML (eXtensible Markup Language) schema is presented in the paper to demonstrate the effectiveness of the conceptual model.
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Tatoglu, Akin, Claudio Campana, James Nolan i Gary Toloczko. "Fuzzy Logic Controller Design of a Single Stage Fluid Valve Based Robotic Arm". W ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24145.
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Abstract One challenge for mobile robotics is the limitation of onboard processing power and the size of equipment required to accomplish basic tasks. While hydraulic pistons can generate high force output for various types of manipulation tasks, they require large equipment including the pistons, compressors, and the power sources in order to operate properly. For hydraulics to be applied to small to medium scale robots, the scale of the system needs to be as minimalistic as possible. For this purpose, we designed a single stage valve actuated robotic arm. Since system’s dynamic behavior is complex and only piston distance data is observable, a heuristic method, a Fuzzy Logic controller, is investigated. The goal is to create and optimize a system using a single piston and small compressor while maintaining effective control of the arm. Fuzzy Logic Controller system details, experimental setup and results are discussed for various motion profiles and finally its effectiveness is compared with a traditional PID controller approach. Robotics is a field that is constantly evolving and looking for creative new ways to provide solutions to new and old obstacles. One challenge for mobile robotics is the limitation of onboard processing power and the size of equipment required to accomplish basic tasks. The issue especially with smaller scale mobile robots is the lack of power and space on the robot to fit equipment and any critical apparatus for said equipment. While hydraulic pistons can generate high force output for various types of manipulation tasks, they require large equipment including pistons, compressors, and power sources in order to operate properly. Typically, a motor is used to power a pump which pressurizes hydraulic fluid. This fluid is used by the machine via hydraulic tubes and then is sent back through a filter and returns to the pump. This method of using hydraulics requires a large amount of power and a large amount of space. For hydraulics to be applied to small to medium scale robots, the scale of the system needs to be as minimalistic as possible. For this purpose, we designed a single stage valve actuated robotic arm. These employed the use of small electronic control boards fitted to the compressor system used to drive the hydraulics. For types of systems that must operate with discrete impulses of data to reach a target or reference value predominantly use Proportional-Integral-Derivative (PID) Controllers. These would be programmed in the onboard computer driving the hydraulic system. These systems require careful tweaking of various gain values to set up appropriately. However, the choice of an accurate controller structure relies on the application. Since system’s dynamic behavior is complex and only piston distance data is observable, an alternative method of control is investigated. Fuzzy logic is a control method which takes inputs from sensors and determines the output in terms of logical statements that can be in degrees between 0 and 1 rather than strictly 0 and 1 as seen in traditional Boolean logic. The particular equipment of interest in this study is a pneumatic robotic arm and all associated hardware. The goal is to create and optimize a system using a single piston and small compressor while maintaining effective control of the arm. Both a PID controller and a Fuzzy Logic controller were used to control the same system for the same set of tests. After PID control design approach is briefly discussed, Fuzzy Logic Controller system details, experimental setup and results are discussed for various motion profiles. Finally, the effectiveness of a traditional PID controller is compared to the effectiveness of a fuzzy logic controller.
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Wang, Xin, Honglu Wang i Di Wu. "Interactive Simulation of Crawler Crane’s Lifting Based on OpenGL". W ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-49608.
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Crawler cranes are the most expensive and frequently shared resource on construction sites, industries, etc. It is engaged in offering various combination for booms and large-capacity of mobile cranes to meet the building industry requirements. Computer simulation has proved to be an effective tool for aiding practitioners in modeling complex construction operations, especially three-dimensional simulation that can provide interactive, three-dimensional graphics. As a graphic standard, OpenGL has powerful three-dimensional graphic processing abilities, but is weakness in three-dimensional modeling. Bounding Hierarchical Volumes Tree (BHVT) is very popular structures for objects storage of virtual scenes. Based on BHVT, a method of three-dimensional modeling is proposed. According to its structure and characteristics, the model of the crawler crane is designed. To achieve three-dimensional simulation for a main hoisting crane and an assistant crane (i.e., sliding tail crane) cooperative lifting, several typical mathematical models are established. When simulating the lifting process in the cooperative working mode, the changes of cranes and the lifting equipment, needed for steady lifting, are figured out simultaneously, and then those changes are output to form the relevant curves. The curves are analyzed to decide whether the lifting plan that using a main hoisting crane and a sliding tail crane to lift is safe and reasonable. For the sake of a better interactive simulation, object-oriented framework for three-dimensional graphic creation based on OpenGL is developed, it consists of class BHVTNode, class camera and class renderer, which make data and instructions separated. Combining the class camera and class renderer with the technology BHVT, succeed to simulate the lifting operations of crawler crane, especially achieve the animation of the cooperative lifting, it is visual to observe the whole lifting process, which is good for assisting to design the lifting plan.
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Yousif, Eltayeb, Zhijian Zhang, Zhaofei Tian i Haoran Ju. "The Development of RELAP5 for Reactor System Analysis and Simulation Use of Visualized Modularization Software (RELAP-MV)". W 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60966.
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The RELAP5 code, designed to predict the behavior of reactor systems during accident conditions, is used widespread over the world. This work aims to show and describe the RELAP-MV graphical software developed using computer language (XML) and Visualized Modularization software technology to recognized best estimated transient simulation program of Light water reactor, in combination with new options for improved modeling methods, advanced programming, computational simulation techniques and integrated graphics displays. RELAP5 code is complex and inconvenient for utilizing method of data cards and close logic relationship of data in input file. The main purpose of developing RELAP5-MV is to simplify progress and increase simulation efficiency. Traditional modeling method and modular modeling method are supported with RELAP5-MV to achieve aims of device and system simulation. For traditional modeling method, all kinds of components are developed such as single volume, single junction, pipe, branch, time dependent volume, etc. For modular modeling method, the module library is established in the software. The library packages include the main system equipments of primary and secondary loops such as reactor core, U tube steam generator, once through steam generator, pump, pressurizer, steam turbine, condenser, heat exchanger, deaerator, etc. in a pressurized water reactor, which can be analyzed and modeled in details. From the library the capabilities are easy to select icons interface from the library packages. The analysis results show that the software can effectively simulate nuclear power system by RELAP5. Plot and data binding function is supported for post-processing of calculation result. Personal computer interface of RELAP5-MV makes it more convenient, fast and visualized in simulation system establishing process. Performance Relap5 related analysis activities, such as creating and modifying input file, viewing component division figures and generating output files can be realized by RELAP5-MV. The interactive simulation interface feature allows the users to simulate specific reactor transients and accidents — such as LOCA, LOFA, scram, etc. Accuracy and reliability of RELAP5-MV have already been confirmed by simulating main coolant system of Pressurize Water Reactor (PWR) and modeling efficiency increases significantly by using RELAP5-MV. Visualization modeling, analysis and computational simulation for thermal hydraulic analysis of nuclear reactor can not only lower the RELAP5 threshold but also improve the efficiency of nuclear science research greatly, and also promoting the development of related research in RELAP5 safety analysis. RELAP5-MV can give an approach to build, verify and assess simulation design of reactor power system.
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Yip, T. Gary, i Dennis Loh. "Design of a Flexible Data Acquisition and Control System". W ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium collocated with the ASME 1995 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/cie1995-0836.
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Abstract Automatic data acquisition and control have become an indispensable part of engineering but many data acquisition and control equipments remain relatively inflexible and cumbersome for most engineering applications. Hence, engineers often need to custom design and build their data acquisition and control system to support their in-house automatic testing and monitoring equipment. This project investigates the design fundamentals and guidelines in setting up a flexible data acquisition and control system. A flexible data acquisition and control system (FDACS) is defined as one which possesses such characteristics as the ease of implementation, the ease of upgrading system’s capability (e.g. data volume and control channels) and the ability for information sharing. An experimental data acquisition system is used as the platform to facilitate the study. It consists of an IBM compatible personal computer, a remote host microprocessor and seven signal processors. Using this implementation, the system is able to provide up to 28 digital I/O lines, 28 analog input lines, 42 digital output lines and an average execution time per instruction of 1 ms.
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Röhm, Benjamin, i Reiner Anderl. "Concept of a System Architecture for a Simulation Data Management In the Digital Twin". W ASME 2021 30th Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/isps2021-65300.
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Abstract The Department of Computer Integrated Design (DiK) at the TU Darmstadt deals with the Digital Twin topic from the perspective of virtual product development. A concept for the architecture of a Digital Twin was developed, which allows the administration of simulation input and output data. The concept was built under consideration of classical CAE process chains in product development. The central part of the concept is the management of simulation input and output data in a simulation data management system in the Digital Twin (SDM-DT). The SDM-DT takes over the connection between Digital Shadow and Digital Master for simulation data and simulation models. The concept is prototypically implemented. For this purpose, real product condition data were collected via a sensor network and transmitted to the Digital Shadow. The condition data were prepared and sent as a simulation input deck to the SDM-DT in the Digital Twin based on the product development results. Before the simulation data and models are simulated, there is a comparison between simulation input data with historical input data from product development. The developed and implemented concept goes beyond existing approaches and deals with a central simulation data management in Digital Twins.
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Fischer, I. S., i R. N. Paul. "Kinematic Displacement Analysis of a Double-Cardan-Joint Driveline". W ASME 1987 Design Technology Conferences. American Society of Mechanical Engineers, 1987. http://dx.doi.org/10.1115/detc1987-0078.
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Abstract The input-output displacement relations of two Cardan joints arranged in series on a driveline has been investigated in detail, including the effects of unequal joints angles, the phase angle between the two Cardan joints and also such manufacturing tolerance errors as non-rigth angle link lengths and offset joint axes. A combined Newton-Raphson and Davidson-Fletcher-Powell optimization algorithm using dual-number coordinate-transformation matrices was employed to perform the analysis. An experiment was conducted to validate the results of the analysis. The apparatus consisted of a double-Cardan-joint driveline whose rotations were measured by optical shaft encoders that were sampled by a computer data-acquisition system. The equipment was arranged so that the phase angle between the joints and the offset angles between the shafts at each of the two joints could be readily varied. The “relative phase angle”, the difference between the phase angle of the two joints and the angle between the planes defined by the input and intermediate and the intermediate and output shafts, was found to be the significant factor. If the offset angles at both Cardan joints are equal, the double-Cardan-joint driveline function as a constant-velocity coupling when the magnitude of the relative phase angle is zero. If the offset angles at the two Cardan joints are unequal, a condition prevailing in the important front-wheel-drive automobile steering column, then fluctuation in output velocity for a constant input velocity is minimized although not eliminated for zero relative phase angle.
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Rádli, Richárd, i László Czúni. "About the Application of Autoencoders For Visual Defect Detection". W WSCG'2021 - 29. International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision'2021. Západočeská univerzita, 2021. http://dx.doi.org/10.24132/csrn.2021.3002.20.
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Visual defect detection is a key technology in modern industrial manufacturing systems. There are many possibleappearances of product defects, including distortions in color, shape, contamination, missing or superfluous parts.For the detection of those, besides traditional image processing techniques, convolutional neural networks basedmethods have also appeared to avoid the usage of hand-crafted features and to build more efficient detectionmechanisms. In our article we deal with autoencoder convolutional networks (AEs) which do not require examplesof defects for training. Unfortunately, the manual and/or trial-and-error design of AEs is still required to achievegood performance, since there are many unknown parameters of AEs which can greatly influence the detectionabilities. For our study we have chosen a well performing AE known as structural similarity AE (SSIM-AE),where the loss function and the comparison of the output with the input is implemented via the SSIM instead ofthe often used L1 or L2 norms. Investigating the performance of SSIM-AE on different data-sets, we found that itsperformance can be improved with modified convolutional structures without modifying the size of latent space.We also show that finding a model with low reconstruction error during training does not mean good detectionabilities and denoising AEs can increase efficiency.
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Alagöz, Çağdaş, M. A. Sahir Arıkan, Ö. Gündüz Bilir i Levend Parnas. "3-D Finite Element Analysis of Long Fiber Reinforced Composite Spur Gears". W ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/ptg-14357.
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Abstract A method and a computer program are developed for 3-D finite element analysis of long fiber reinforced composite spur gears, in which long fibers are arranged along tooth profiles. For such a structure, the gear is composed of two regions; namely the long fiber reinforced and the chopped fiber reinforced regions. Pre and post-processing modules of the program for the finite element analysis are written in Borland Delphi Pascal 3.0®. ABAQUS® is used for finite element analysis. Main inputs for the pre-processing module of the program are, information on basic gear geometry, gear drive data, material properties and long fiber reinforcement geometry. Finite element meshes are automatically generated and mesh information with other required data are written to a file in the input-file-format of ABAQUS®. Stresses are read from the output file of ABAQUS® by the post-processing module, and color-coded drawings for various stresses and failure index are displayed. For the long fiber reinforced region, failure indexes are calculated by using the tensor polynomial failure criterion. Effects of reinforcing thickness and location of long fibers on gear strength are investigated. Stresses and failure index are calculated for different materials and fiber volume ratios.