Academic literature on the topic 'Computer Peripheral Equipment'
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Journal articles on the topic "Computer Peripheral Equipment"
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Gryz, Krzysztof, and Jolanta Karpowicz. "Stationary computer devices: identification and assessment of the electromagnetic field in the working space." Occupational Safety – Science and Practice 563, no. 8 (August 14, 2018): 21–23. http://dx.doi.org/10.5604/01.3001.0012.2226.
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This article discusses the electromagnetic field emitted by stationary computer devices (personal computers and servers): CRT and LCD screen monitors, system units and peripheral equipment such as wireless communication mice and keyboards, direct current suppliers (AC/DC), uninterruptible power supplies (UPS), and network and electrical supplying cables. Computer devices emit an electromagnetic field from 50 Hz to several GHz. Electromagnetic hazards in the working space near those computer devices do not require individual assessment of the compliance of the level of electromagnetic exposure with the limits provided with respect to the protection of workers against electromagnetic hazards, because the distance between the operator’s body and the equipment is at least 20 cm. This article does not discuss other exposure scenarios such as repairing devices or using portable devices.
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Prior, David, Philip Reeder, Michael Rofe, Ian Biscoe, and Samuel Murray. "Designing a system for Online Orchestra: Peripheral equipment." Journal of Music, Technology and Education 10, no. 2 (December 1, 2017): 197–212. http://dx.doi.org/10.1386/jmte.10.2-3.197_1.
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Ren, Yan Xi, Xiao Qiang Yang, Qing Xia Li, and Jun Da Chen. "Fault Diagnosis System of Engineering Equipment's Electrical System Using Dedicated Interface Adapter Unit." Key Engineering Materials 567 (July 2013): 155–60. http://dx.doi.org/10.4028/www.scientific.net/kem.567.155.
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The development of fault detection and diagnosis system is accomplished with the application of PXI interface technology, modular instrument and signal processing technology. The total technical scheme of host computer, portable test platform, signal adapter unit, test interface and cable together with peripheral components is introduced in the presented system. Consequently, the hardware includes master computer (fault test and diagnosis platform), PXI-bus data acquisition system, signal interface adapter, power supply system, interface unit, connection cable and peripheral dedicated test equipments. And the software is developed by C and LabWindows/CVI based on Win32 operating system. In addition, the modular and object-oriented programming are adopted in the software development. The software consists of three parts: the master program running on test and diagnosis platform, the client software module on signal adapter unit as well as the remote interface software module. It can implement fault detection of electrical system on replaceable circuit board and block of the hydraulic system or electrical system. So it can help equipment repairmen and operator perform quick repairs and maintenance to the electrical system for engineering equipment.
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Azriadi, Emon, and Aris Fiatno. "IMPLEMENTING DMG MODEL TO IMPROVE RELIABILITY OF PERSONAL COMPUTER AT COMPUTER LABORATORY FACILITY." Jurnal Teknik Industri Terintegrasi 1, no. 1 (April 17, 2018): 82–90. http://dx.doi.org/10.31004/jutin.v1i1.315.
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A typical maintenance organisation has responsibility in keeping the production facility running at the desired level performance. In order to ensure that condition, necessary decisions should be made. The Decision Making Grid (DMG) model is one of analysis technique that provides maintenance organisation in strategic and tactical level management to determine the appropriate maintenance policy for all individual machinery and equipment within the facility. In this project, the analysis identified the performance of the personel computer at laboratory facility by conducting availability measurement. The hardware, peripheral, and softwarewhich have breakdown records were analysed then by the DMG model to propose the appropriate maintenance policy for all individual personel computer within the computer laboratory facility. Implementing the DMG recommendations were proposed to follow the suggested priority order.
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Mach, Vaclav, Milan Adámek, Jan Valouch, and Karla Barčová. "Control and indicating equipment communicating via the peripheral component interconnect express bus." Bulletin of Electrical Engineering and Informatics 9, no. 2 (April 1, 2020): 729–38. http://dx.doi.org/10.11591/eei.v9i2.1753.
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Nowadays, the Intruder Alarm system is commonly used to protect the life, health and the possession of people in big companies. However, these systems have limited options for managing and remote control. This lack is very often criticized by big companies which want to use the Intruder Alarm System with other applications like Access and Attendance control. The aim of this article is to design a Control and Indicating Equipment which can be implemented into commercially made Personal Computer as expansion card. The designed card provides the main function of the Intruder Alarm system which can be further extended by other applications. The system consists of external communication like Universal Serial Bus, Ethernet and General Packet Radio Service interface. Each individual part of the system is driven by a single microcontroller ATmega328P which can handle communication and evaluation of the current state obtained by devices connected to it. The design can offer all alarm and non-alarm visualization of smart control like irrigation, lights control, audio system, etc. The whole design is driven by the proper standardization and the design consists of every schematic which comes with the explanation
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Thorning, L. "Introduction of new computing facilities at the Geological Survey of Greenland." Rapport Grønlands Geologiske Undersøgelse 140 (December 31, 1988): 7–9. http://dx.doi.org/10.34194/rapggu.v140.8023.
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From a cautious start in the use of computers in the early 1970s, the Geological Survey of Greenland has developed complex and varied uses of modern computer facilities for both scientific and administrative tasks. GGU's first computer installation, a noisy TTY connected to the Computing Centre of Copenhagen University by a 110 baud telephone modem, was a selfservice facility which was not easy to use. Over the years, first with use of a PDP-10 with just one Tektronix 4014 graphic terminal and later a succession of increasingly powerful PDP-11s with many terminals, GGU's in-house facilities just kept ahead of the ever increasing demand for computer services. At the same time a number of programs for special tasks were developed on external facilities, because they required larger computers or special facilities. In the 1980s the demands on the computer facilitiesrequiring many different types of programs, including word processing, had grown so large that GGU's in-house system could no longer handle them satisfactorily. A major reorganisation was required, and consequently activities were divided between personal computers (PCs; mainly administrative) and a new central computer (mainly scientific). This development took place in late 1986 with the purchase of 17 new personal computers and a new central computer with accessory peripheral equipment. This has allowed an increasing integration of computer methods into GGU's activities. A brief summary is given below.
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Liu, Bai Fen, and Ying Gao. "The Test Equipment Based on Single Chip Micro (SCM) of Volt-Ampere Characteristic of CT." Applied Mechanics and Materials 556-562 (May 2014): 1726–29. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.1726.
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Nowadays, various test equipment tend to be more intelligent, the test equipment of the volt-ampere characteristic of CT is so too. As the development of the electronics, VLSI(SCM) is manufactured. The purpose of our project is to scheme out a intelligent test system by the computer technique and the test technique. This equipment is mostly made of the SCM system and the peripheral equipment. We control the output of the digital transformer by SCM. The output voltage can make the TL494 create PWM wave. The wave is the control signal of the main circuit. The output wave of the main circuit is the sine wave, and the value of the output can be amended automatically. Compared with the traditional equipment, this equipment is smaller and use less energy, but its function is more powerful. It can be programmable. We can take it more expediently. So, this kind of equipment can be used widely in the future.
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Fathil, Shahridan Mohd, Muhamad Rasydan Abdul Ghani, Kung-Yen Chen, Pinhsin Lee, Jin-De Hou, and Jui-An Lin. "Physical Ergonomics in Peripheral Nerve Block." Applied Sciences 11, no. 20 (October 19, 2021): 9736. http://dx.doi.org/10.3390/app11209736.
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The understanding of ergonomics is a vital competency for all peripheral nerve block operators. The essence of physical ergonomics for peripheral nerve block procedures can be summarised into three significant components: brain, musculoskeletal and needling. The first component includes strategies to optimise visuospatial neuroprocessing using equipment configuration. The second component reflects the careful planning of posture and position to improve procedural technique and reduce physical fatigue. The final component focuses on strategies to achieve needle beam alignment for optimal needle visualisation.
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Raţiu, Sorin, Vasile Alexa, and Imre Kiss. "Educational application used to simulate the functionality of a Gasoline Injection System." Analecta Technica Szegedinensia 9, no. 1 (January 12, 2015): 12–17. http://dx.doi.org/10.14232/analecta.2015.1.12-17.
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This paper presents an educational application, with practical realization, regarding the functionality simulation of a gasoline injection system using a computer and a peripheral afferent, along with its control circuit. The application replaces the ECU (Engine Control Unit) and controls a demo injection rail, equipped with four gasoline injectors with different shapes of flow. The equipment provides the flow shape visualisation and injection parameters change according to the engine load conditions, which can be simulated by the electronic equipment through the virtual interface. The system allows the determination of the gasoline amount injected by the various types of fuel injectors, in a certain period of time and at different pressures of the fuel, depending on the load and the speed of the engine.
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Johnson, Chad R., Roger C. Barr, and Stephen M. Klein. "A Computer Model of Electrical Stimulation of Peripheral Nerves in Regional Anesthesia." Anesthesiology 106, no. 2 (February 1, 2007): 323–30. http://dx.doi.org/10.1097/00000542-200702000-00021.
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Background Nerve stimulation for regional anesthesia can be modeled mathematically. The authors present a mathematical framework to model the underlying electrophysiology, the development of software to implement that framework, and examples of simulation results. Methods The mathematical framework includes descriptions of the needle, the resulting potential field, and the active nerve fiber. The latter requires a model of the individual membrane ionic currents. The model geometry is defined by a three-dimensional coordinate system that allows the needle to be manipulated as it is clinically and tracked in relation to the nerve fiber. The skin plane is included as an electrical boundary to current flow. The mathematical framework was implemented in the Matlab (The MathWorks, Natick, MA) computing environment and organized around a graphical user interface. Simulations were performed using an insulated needle or an uninsulated needle inserted perpendicular to the skin with the nerve fiber at a depth of 2 cm. For each needle design, data were obtained with the needle as cathode or anode. Data are presented as current-distance maps that highlight combinations of current amplitude and tip-to-nerve distance that evoked a propagated response. Results With the needle tip positioned 2 mm proximal to the depth of the nerve, an insulated needle required a current greater than 0.457 mA for impulse propagation when attached to the cathode; when attached to the anode, the minimal current was 2.354 mA. In the same position, an uninsulated needle attached to the cathode required a current greater than 2.395 mA to generate a response. However, when an uninsulated needle was attached to the anode, currents up to 7 mA were inadequate to produce a propagated response. Of particular interest were combinations of current amplitude and needle position that activated the fiber but blocked impulse propagation for cathodal stimulation. Conclusions Mathematical modeling of nerve stimulation for regional anesthesia is possible and could be used to investigate new equipment or needle designs, test nerve localization protocols, enhance clinical and experimental data, and ultimately generate new hypotheses.
Dissertations / Theses on the topic "Computer Peripheral Equipment"
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Strauss, Johann. "Development of the MINITEL peripheral port adaptor (MPPA)." Thesis, Cape Technikon, 1992. http://hdl.handle.net/20.500.11838/1160.
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Thesis (M.Diploma in Electrical Engineering)--Cape Technikon, 1992This thesis describes how an adaptor board was developed to enable serial devices, such as modems and serial printers operating on RS-232 signals, to be used in conjunction with the MINITEL terminal. Furthermore it enables parallel Centronix interfaces to be Used in conjunction with the MINITEL terminal. The revolutionary 87C751 microprocessor was fully researched, and implemented in the project. Two marketable products emerged during the course of the project: • 1. The 8031-processor solution 2. The 87C751-processor solution
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Chaw, Chi-chuen. "Just-in-time (JIT) concept : a case study of its implementation in a computer peripheral manufacturer in Hong Kong /." [Hong Kong : University of Hong Kong], 1991. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13055197.
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Chaw, Chi-chuen, and 周志聰. "Just-in-time (JIT) concept: a case study of its implementation in a computer peripheral manufacturer in HongKong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1991. http://hub.hku.hk/bib/B31264876.
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Doyle, Leo F. "A guide for the selection and maintenance of computer peripherals." Virtual Press, 1991. http://liblink.bsu.edu/uhtbin/catkey/834517.
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This thesis is a resource document for computer information that is not presently available as a single unit. It describes most of the commonly available computer peripherals and some not-so-common ones from the micro, mini, and mainframe computer worlds. Physical descriptions, methods of operation, trouble shooting, maintenance, and some schematics and future trends are covered. A few older devices having historical significance are also discussed.By knowing where the computer industry is currently and seeing where it has been hardware-wise, it should be possible to project the direction in which the computer industry is headed. People in the computer profession and people that use computers need to be educated about peripheral devices so that they may make informed decisions on which equipment to acquire and in planning for the future. This thesis should be a valuable aid in this process. The information presented should save time and money during the decision-making process and lead to more effective choices of equipment.Department of Computer Science
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Feltane, Saâdi. "Conception et réalisation d'un concentrateur de périphériques." Paris 6, 1986. http://www.theses.fr/1986PA066343.
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Nous avons essayé dans les architectures de machines que nous avons développé de dissocier le CPU du processeur d'e/s. De cette manière, si l'on change de cpu, le processeur d'e/s n'est plus à rebâtir. La ligne série avec les fibres optiques peut supporter des débits importants. L'efficacité du système dépend de la manière dont est gérée cette ligne. Si le cpu adresse une requête au processeur d'e/s et qu'il attende que la requête soit exécutée pour en envoyer une autre, le système va être lent car les périphériques vont être inactifs pendant le temps de transfert de l'information sur la ligne série. Nous avons imaginé une gestion de la ligne série telle que pendant le traitement d'une requête, les autres requêtes continuent à arriver: de cette manière, les périphériques fonctionnent à leur pleine vitesse. Nous avons utilisé pour cela le plus simple protocole de dialogue: la procédure on/off
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Han, Sheng, and 韓聖. "The study of consumers’ purchase wish on computer peripheral equipment using nano-antibacterial treatment." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/29841674237005069570.
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碩士逢甲大學
經營管理碩士在職專班
93
It well known that severe acute respiratory syndrome (SARS) virus also can spread when a person touches a surface or an object contaminated with infectious droplets and then touches his or her mouth, nose, or eye(s). In the present study, the acrylonitrile-cutadiene-styrene (ABS), having a very wide range of applications, such as telephone handsets computer and other office equipment housings, etc, was successfully coated silver as antibacterial materials. This antibacterial high tech product is still located in the introductory stage now. It is usually shorter in life cycle and lack the paragon for marketers to follow. Marketing researches for high tech product would be much more difficult than those of general products. The research framework investigates the relationships between the purchase decision of computer peripheral equipment coated by nano silver film as antibacterial and demographic characteristics, consumer knowledge and environment variables. A convenient sampling method was used to select respondents. 450 questionnaires were distributed. Of the 450 questionnaires, 410 responses were received and 69 responses were incomplete, respectively. The remaining 341 valid and complete questionnaires were used for the quantitative analysis. It represents a useable response rate of 83.2%. Descriptive, reliability, cross, ANOVA analyses were used to test the hypotheses. There are important conclusions drew by this study that follows： 1. There are significant differences between the computer peripheral equipment product antibacterial processing purchase wish and the year obtained, the family gross income and the education level. 2. The consumers’ computer peripheral equipment product antibacterial processing purchase wish purchase decision was significantly positive affected by the new technology receptivity, the personality special characteristic, the product knowledge and the environment variable (associates and society support), the risk manner, the promoted activity and other attributes (brand or manufacture). 3. Using the new technology receptivity, the social support and associates’ opinions as the variables of regression equation to forecast purchase wish express as: The purchase wish = .547× the new technology receptivity +.186×social supports +.109× the associates’ opinions.
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彭玉緯. "Using data envelopment analysis to evaluate the performance of computer and peripheral equipment manufacturers in Taiwan." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/99778344484290629285.
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碩士逢甲大學
工業工程與系統管理學系
102
Due to various factors and conditions, Taiwan became an important producer of computers and peripheral equipment in the world. In recent years, both the fierce competition in market environmentand and the rise of smart phones and mobile devices make the technical development of computers much more difficult than the past years. Thus, the firms are facing the challenge of operating and technology strategies. Besides, because of the slow economic recovery in recent years, the number of firms of computers and peripheral equipment manufacturers has negative growth in Taiwan. Under such circumstances, improving operational efficiency and use of resources becomes very important. The genuine reasons of excellent performance for enterprise are worth exploring. The study is based on data envelopment analysis (DEA) to discuss the management performance of the computer and peripheral equipment manufacturers in Taiwan during 2013 and window analysis is used to evaluate efficiency and stabilization. The results showed that five of the selected 16 companies are inefficient in CCR model and two are inefficient in BCC model. Reference group analysis shows that Advantech is the benchmark companies among the companies. Sensitivity analysis shows the operating cost and revenue values are the most effective variable to the efficiency. Cross efficiency measure shows Elitegroup Computer is the most efficient enterprise. Finally, the magnitude of changes in the level and efficiency value of each enterprise in five years are obtained by the efficiency of the mean, variance, the whole distance from the field and range using window analysis.
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YANG, HSIU-WEN, and 楊琇雯. "The Study of Relationship between Ownership Structure and Board Composition: A case of Computer and Peripheral Equipment Industry." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/7v5xa6.
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碩士國立臺北大學
企業管理學系
104
Since the 1997 Asian financial crisis, most of the nations efforts to promote corporate governance. In recent years, the Financial Supervisory Commission (FSC) considers corporate governance evaluation system and the evaluation result is the performance of corporate governance to enable enterprises cognitive the importance of corporate governance, so as to enhance information transparency of companies, improve corporate responsibility and achieve sustainable development. The core of corporate governance is to regulate the shareholders meetings and the board of directors, the Board is the company's highest decision-making unit, and the board members are elected by shareholders. However, different backgrounds of investors with different requirements for corporate governance, thus tend to find directors who can be satisfied with the exercise of power for policy purposes, even more impact on the company's operations and corporate governance, therefore, ownership structure may affect the properties of the composition of the board.The responsibilities of the Board is to supervise and improve the operation of the enterprise, agency relationship between shareholders and managers make the board as a last line of defense to prevent company malpractice and safeguard the interests of shareholders. This study examines the relation of ownership structure and board composition of 107 computers and peripheral equipment industry firms listed on the stock exchange market in Taiwan. We use regression analysis to verify the impact of relationship between ownership structure and composition of the Board of Directors. The results showed that the ownership structure does affect the composition of the board, therefore, we hope the results of this study provide a reference for managers in decision-making, in order to sound corporate governance.
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JIN, LIN, and 金麟. "The Impact of Corporate Social Responsibility Involvement on Operating Performance - The Case of the Computer and Peripheral Equipment Manufacturing Industry." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/zmr37u.
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碩士銘傳大學
企業管理學系
107
In recent years, the global society has increasingly paid attention to the concept of sustainable development. Meanwhile, enterprises engage in corporate social responsibility (CSR) activities as part of core strategies for sustainable development. Through writing CSR reports, the degree of involvement in CSR activities is able to be found and investigated by the public. To evaluate the degree of involvement in CSR, some organizations release CSR-related indices as the CSR evaluation criteria for the constituents of stock indices. Therefore, the degree of CSR involvement of the constituent stocks selected according to the index evaluation criteria is reasonably convinced and can be fairly examined about the impact of CSR on the operating performance. Accordingly, the objectives of this study is to analyze the operating performance of firms in the Taiwan computer and peripheral equipment manufacturing industry and to examine the possible factors influencing operating performance. The sample under investigation is 105 enterprises listed in Taiwan during the period of the second quarter of 2015 to the first quarter of 2018. After the operating-efficiency values of the firms are evaluated through DEA and relevant statistical tests, the possible factors influencing the operating efficiency are observed through Tobit regression analysis. The results of study show that operating efficiency in enterprises incorporated into the CSR index is significantly higher than those not included in the indices. Moreover, the more included by in a variety of CSR indices, the higher the operating efficiency the enterprise perform. The result above shows that enterprise which is included in CSR index has better operating performance. In addition, the study also find that factors of total asset turnover, the number of board members, shareholding ratio of director and supervisors, growth rate of total assets, and the dummy variable of listed or OTC firms have significant effect on operating performance.
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Li, Chia-meng, and 李佳孟. "The effects of enterprise resources factors and local environment factors on foreign investment commitments ― An empirical study of computer and peripheral equipment industry." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/66702444316799073493.
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碩士國立屏東商業技術學院
經營管理研究所
98
Foreign investment has become an important trend in the global economy. When numerous enterprises begin to set up subsidiaries in foreign countries, it is critical to investigate whether these companies constantly invest in these subsidiaries. However, little literature has been conducted in this field, and thus this study aims to explore the factors influencing the companies’ foreign commitments. Based on the resourced-based view, ownership advantages and location advantages perspectives, this research examine the effects of enterprise’s resources factor (local experience, R&D capability and marketing capability) and local environmental factors (local market potential and local investment risks) on foreign commitments. This study utilities public traded companies of computer and peripheral equipment industry as the research target. The data contains 146 valid samples, which are collected from companies’ foreign investments to their subsidiaries in 2007. We utilize description analysis and multiple-regression analysis to investigate this topic. The result indicates that: (1)The deeper the local experience of this subsidiary, the higher the foreign commitments have been invested to this subsidiary; (2)The R&D capability of this company has no effect on its foreign commitments; (3)The marketing capability of this company has no effect on its foreign commitments; (4)The higher the local market potential, the higher the foreign commitments of this company have been invested to this subsidiary; (5)The local investment risks do not affect the company’s foreign commitments. Finally, this research concludes with research, managerial implications and the research suggestions.
Books on the topic "Computer Peripheral Equipment"
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Canada. Industry, Science and Technology Canada. Computers and peripheral equipment. Ottawa: Industry, Science and Technology Canada, 1991.
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IBM PC peripheral troubleshooting & repair. Indianapolis, Ind: Howard W. Sams, 1987.
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Wolfe, Gordon W. Computer peripherals that you can build. 2nd ed. Blue Ridge Summit, PA: Tab Books, 1986.
Find full textBook chapters on the topic "Computer Peripheral Equipment"
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Weik, Martin H. "peripheral equipment." In Computer Science and Communications Dictionary, 1249. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_13825.
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Birtalan, Dave, and William Nunley. "Computer Peripheral and Business Equipment Applications." In Optoelectronics, 227–30. CRC Press, 2018. http://dx.doi.org/10.1201/9781315218847-17.
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"Computer Peripheral and Business Equipment Applications." In Optical Science and Engineering. CRC Press, 2009. http://dx.doi.org/10.1201/9781420067811.ch17.
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Headrick, Daniel R. "Information and its History." In When Information Came of Age. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195135978.003.0003.
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Of the many labels pundits have suggested to identify the age we live in—the atomic age, the Postindustrial era, the space age—the expression information age has become the standard cliché. Why this label? Why now? No doubt because we have all sorts of new devices designed to keep us informed and in touch with anyone, anywhere, and at any time: beepers, cellular telephones, computers, “personal digital assistants,” and all their peripherals. We access more media of more varied sorts than ever before: dozens of television channels, soon to be hundreds; electronic networks turning into global information superhighways; and the imminent promise of cyberspace and virtual reality for everyone. In the business world, purveyors of software have dethroned computer makers, while manufacturers of audio and video equipment are turning into entertainment companies. In the wealthier countries, an ever-growing proportion of the gross domestic product comes from the information sector rather than from manufacturing, as more and more people work with computers and relax with electronic entertainment. Most of all, we face an ever-swelling tide of information in the form of Web sites, CDs, and DVDs, videotapes and video games, docudramas, databases, hypertexts, and infomercials, not to mention old-fashioned books, magazines, and newspapers. What, then, is this “information” that defines our epoch? To mathematicians and scientists, the term information means the reduction of uncertainty in a communication system. In that sense, any pattern of energy or matter in nature—tree rings, bits of DNA, light from a distant star, the spoor of an animal—contains information. Like the tree that falls in the forest, however, such patterns become human information only if there is a human being present who understands them. So let us leave undeciphered patterns to the scientists and think of information as patterns of energy and matter that humans understand. Information is not the same thing as knowledge, though the two concepts overlap. Knowledge refers to ideas and facts that a human mind has internalized and understood: how to fix a flat tire, the name of a really good dentist, speaking French. Acquiring knowledge means absorbing a lot of information—for example, how to use French irregular verbs correctly.
Conference papers on the topic "Computer Peripheral Equipment"
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Yanchus, V. E., A. E. Kheifits, and E. V. Borevich. "Study of the Perception of Graphic Information in the Human Perip heral Vision." In 32nd International Conference on Computer Graphics and Vision. Keldysh Institute of Applied Mathematics, 2022. http://dx.doi.org/10.20948/graphicon-2022-937-946.
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The article describes the methodology developed and tested by a team of authors for conducting an experimental study of the perception of graphic data (pictograms) in the field of human peripheral vision. The developed technique is included in the cycle of research on the study of graphical means of displaying information. The technique is designed to identify an effective way to display visual information. The study of the perception of information by peripheral vision can expand the productive zone of displaying information in a graphical interface. The work used remote control systems using eye-tracking technology. Observation of the viewing pattern parameter is carried out using an experimental setup using eye-tracking equipment that records oculomotor activity. The article describes the method of preparing stimulus material, the technique is aimed at studying various factors, such as the factor of color solution, icon size and distance from the center. To create high-quality stimulus material, a software module was used that generates stimuli in a certain way. Methods of mathematical statistics are used to process the results of the experiment. The developed technique was tested on a limited group. The experiment was 55 people aged 18 to 25 years. The recruitment was carried out according to certain criteria: gender difference, education, artistic training. The data obtained as a result of the experiment revealed a statistically significant influence of the color factors of pictograms and their distance from the center of the stimulus. The technique was implemented and tested in the laboratory of Peter the Great St. Petersburg Polytechnic University.
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Gerigan, Carmen, and Petre Ogrutan. "New Computer Peripherals Syllabus for computer study program." In 2014 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM). IEEE, 2014. http://dx.doi.org/10.1109/optim.2014.6850960.
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Brabb, David C., Anand R. Vithani, and S. K. Punwani. "Onboard Locomotive Exhaust Emissions Measurement." In ASME 2007 Rail Transportation Division Fall Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/rtdf2007-46016.
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Limiting harmful locomotive exhaust emissions is important to the Nation’s health and safety. The Environmental Protection Agency (EPA) has comprehensive gaseous exhaust emissions (or referred to as emissions hereto) testing requirements in place. All current tests are conducted on stationary locomotives. This paper discusses the development of an efficient stationary emissions measurement system that is compact, portable, easy to use, and applicable to onboard locomotives for in-use, over-the-road testing. More efficient locomotive emissions testing and better understanding of in-use emissions would be beneficial to all stakeholders. Sharma & Associates, Inc., (SA) adapted an off-the-shelf, portable, on-road, heavy-duty diesel truck emissions analyzer for locomotive use. This process included development of the necessary peripheral equipment and a computer program to take the raw emissions and report them as brake-specific emissions rates and duty cycle emissions. This paper describes the use of this system on a stationary locomotive. The system is currently being fitted and tested for over-the-road use. The measurement of particulate matter and smoke opacity were out of scope of the phase of the project that this paper is based on and not addressed hereto.
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Efimushkina, Natalia, Sergey Orlov, and Nikolai Khrisanov. "Simulation Model of the Computer's Units and Peripherial Equipment Interaction." In 2019 XXI International Conference Complex Systems: Control and Modeling Problems (CSCMP). IEEE, 2019. http://dx.doi.org/10.1109/cscmp45713.2019.8976804.
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Anders, Jens, Peter Leslie, and Lars-Erik Stacke. "Rotor Drop Simulations and Validation With Focus on Internal Contact Mechanisms of Hybrid Ball Bearings." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95816.
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Active Magnetic Bearings technology is becoming more and more a standard in Oil and Gas turbo machinery. Touchdown bearings are an important element of all machines levitated by magnetic bearings. Frequently implemented as hybrid ball bearings, they constitute the only mechanical link between the rotor spinning at high peripheral speed and the stator. Since both sides carry fragile parts, any uncontrolled contact must be avoided. Extensive testing has been done in industry. When unplanned down-time would have a high system impact or when repair options are limited (upstream equipment, subsea operation), elaborate testing campaigns are common. A complement, if not an alternative, are computer based transient rotor drop simulations. They allow reducing uncertainties and help qualifying designs. In most cases, simulations use rotor dynamics models combined with contact models allowing an estimation of shaft behavior during a drop. We present a new approach for transient rotor drop simulations, where detailed calculation of the interior ball bearing mechanics is at the center of the model. This is possible by using a multiple-bodies simulation code, which was initially developed for pure ball bearing calculations and implements contact models including lubrication, wear, and geometry imperfections. Here, the same code is used to model entire shaft systems, associated with preloaded touchdown bearings. This technique allows not only to understand and to analyze failure patterns that determine bearing lifetime (contact stress, heat, and deformation), but also to take into account interactions of the bearing itself with the rest of the system. After a feasibility study for validating the capability of simulating rotor drops, three models were realized for three different types of machines of increasing complexity that were all validated by actual drop tests. The last model is a supercritical horizontal shaft system (200kg) representing an actual Oil and Gas application in reduced scale. Simulated shaft behavior was successfully compared to drop test recordings. The output was analyzed for internal bearing mechanics (contact pressures and contact angle, sliding or rolling friction) and could be correlated with evidence found on the bearings from the drop tests.
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Deshpande, Amit, and Ron Pieper. "Legacy Machine Monitoring Using Power Signal Analysis." In ASME 2011 International Manufacturing Science and Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/msec2011-50019.
Full textAbstract:
A typical manufacturing job shop comprises of legacy machine tools, new (modern) machine tools, material handling devices, and peripheral manufacturing equipments. Automated monitoring of legacy machine tools has been a long-standing issue for the manufacturing industry primarily because of the computer numeric controller (CNC) closed architecture and limited external communication functionality. This paper describes a non-invasive methodology and development of a software application to monitor real-time machine status, energy usage, and other machining parameters for a legacy machine tool using power signal analysis. State machine algorithm is implemented to detect tool changes and part count. The system architecture, implementation, benefits, limitations, and future work needed for the legacy machine tool monitoring application is explained in detail.
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Mukhanov, Igor A. "An Approach to Assembly Planning for Complex Products." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0037.
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Abstract We have developed a novel, efficient approach for assembly planning for complex products. This approach allows us to reflect the required information for assembly planning efficiently. Our approach has also been successfully used for the mathematical presentation of technological knowledge. An algorithm for the automatic generation of feasible assembly sequences for a given product has been developed. Within the assembly process-planning, feasible sequences are determined depending on the sequential assembly stages of the product. This approach permits the use of different criteria for the selection of a rational assembly plan, and it also allows for the influence of technological system elements (equipment, tools and periphery) on the given part of the product during a interval of the operation. We have successfully applied our approach for assembly process-planning of a complex product, a worm gear box. It has allowed us to reduce computation time greatly and to arrive at the optimal solution to real automated assembly.
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Sundar, Sivakumar, Marcos Esterman, Brian K. Thorn, and Carol Romanowski. "Warranty Prediction During Product Development: Developing an Event Generation Engine." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-13542.
Full textAbstract:
In 2010, high tech industries including computer makers, peripherals manufacturers, and medical equipment manufacturers spent a total of $8 billion on warranty. Reducing warranty costs improves the manufacturer’s profit and helps to reduce the overall cost of the product. An often cited principle is that approximately 80% of the eventual product cost is ‘locked in’ during the very early stages of product development; however, traditional methods of warranty analysis are not well suited to predict the warranty costs during these early stages. Thus, product development personnel need better tools to make good predictions about the warranty costs so that they can make better decisions to reduce those costs earlier in product development. In order to address this gap, previous research defined a warranty prediction framework, which at its core was a warranty event generation engine integrating the disparate data sources available early in the product development process. The objective of this work was to create an event generation model, which would give the probability of occurrence for a warranty event given the length of time of service for the system. The model developed in this work used three data sources: namely, field data, product development data, and engineering judgment data from our industrial partner. The datasets were then combined using a two-stage numerical Bayes method to predict the probability of occurrence of an event. Various test cases were created by using the different datasets as priors and likelihoods. The results were then compared to an actual field data set to understand how well the model performed. It was found that the model performed well and was able to produce a bounded solution. The paper closes by listing out the future research agenda to create a tool for product development professionals that will help them predict warranty costs.
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Shetty, Devdas, Naresh Poudel, and Esther Ososanya. "Design of Robust Mechatronics Embedded Systems by Integration of Virtual Simulation and Mechatronics Platform." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-52784.
Full textAbstract:
Increasing demands on the productivity of complex systems, such as machine tools and their steadily growing technological importance will require the application of new methods in the product development process. This paper shows that the analysis of the simulation results from the simulation based mechatronic model of a complex system followed by a procedure that allows a better understanding of the dynamic behavior and interactions of the components. Mechatronics is a design philosophy, which is an integrating approach to engineering design. Through a mechanism of simulating interdisciplinary ideas and techniques, mechatronics provides ideal conditions to raise the synergy, thereby providing a catalytic effect for the new solutions to technically complex situations. This paper shows how the mechatronic products can exhibit performance characteristics that were previously difficult to achieve without the synergistic combination. The paper further examines an approach used in modeling, simulation and optimization of dynamic machine tools and adopts it for general optimized design of mechatronics instrumentation and portable products. By considering the machine tool as a complete mechatronic system, which can be broken down into subsystems, forms the fundamental basis for the procedure. Starting from this point of view it is necessary to establish appropriate simulation models, which are capable of representing the relevant properties of the subsystems and the dynamic interactions between the machine components. Many real-world systems can be modeled by the mass-spring-damper system and hence considering one such system, namely Mechatronics Technology Demonstrator (MTD) is discussed here. MTD is a portable low cost, technology demonstrator, developed and refined by the authors. It is suitable for studying the key elements of mechatronic systems including; mechanical system dynamics, sensors, actuators, computer interfacing, and application development. An important characteristic of mechatronic devices and systems is their built-in intelligence that results through a combination of precision, mechanical and electrical engineering, and real time programming integrated to the design process. The synergy can be generated by the right combination of parameters, that is, the final product can be better than just the sum of its parts. The paper highlights design optimization of several mechatronic products using the procedures derived by the use of mass spring damper based mechatronic system. The paper shows step by step development of a mechatronic product and the use of embedded software for portability of hand held equipment. A LabVIEW based platform was used as a control tool to control the MTD, perform data acquisition, post-processing, and optimization. In addition to the use of LabVIEW software, the use of embedded control system has been proposed for real-time control and optimization of the mass-spring-damper system. Integrating embedded control system with the mass-spring-damper system makes the MTD a multi-concepts Mechatronics platform. This allows interface with external sensors and actuators with closed-loop control and real-time monitoring of the physical system. This teaches students the skill set required for embedded control: design control algorithms (model-based embedded control software development, signal processing, communications), Computer Software (real-time computation, multitasking, interrupts), Computer hardware (interfacing, peripherals, memory constraints), and System Performance Optimization. This approach of deriving a mathematical model of system to be controlled, developing simulation model of the system, and using embedded control for rapid prototyping and optimization, will practically speed product development and improve productivity of complex systems.