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作者： Huang, Shih-Che Tsao, Hung-Chuan Tai, Ya-Hsiang Department of Photonics Institute of Electro-Optical Engineering NCTU Hsinchu 30010 Taiwan College of Electrical and Computer Engineering Industrial Technology R and D Master Program on Photonics and Display Technologies NCTU Hsinchu 30010 Taiwan Department of Photonics Display Institute NCTU Hsinchu 30010 Taiwan

ISBN: (纸本)9787561752289

In this work, the mobility degradation after gate AC stress in the off region are examined. It is discovered that the mobility increases after AC gate stress condition 0 V to +15 V, which the previously reported model (by Uraoka, Y) may not explain. Considering the spatial distribution of the voltage and the flow of the carriers in the channel, we proposed the "slicing model" , that is, replace the original TFT by ten TFTs with shorter channel length. Then, by applying the circuit simulator, the voltage distribution in the channel under different stages of gate applied voltage may be obtained. An index considering the current flow and the channel voltage at the edge nodes are proposed to describe the degradation in mobility. The fair linearity between the proposed index and the degradation in mobility reveals the validity of the proposed model.

关键词： Polycrystalline materials

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Analysis of P-type Poly-Si TFT Degradation under Dynamic Gate Voltage Stress Using the Slicing Model

Analysis of P-type Poly-Si TFT Degradation under Dynamic Gat...

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2007亚洲显示国际会议

作者： Shih-Che Huang Hung-Chuan Tsao Ya-Hsiang Tai Department of Photonics ＆ Institute of Electro-Optical Engineering NCTU HsinchuTaiwanChina 30010 College of Electrical and Computer Engineering Industrial Technology R ＆ D Master Program on Photonics and Display Technologies NCTUHsinchuTaiwanChina 30010 Department of Photonics ＆ Display Institute NCTU HsinchuTaiwanChina 30010

＜正＞In this work,the mobility degradation after gate AC stress in the off region are *** is discovered that the mob- ility increases after AC gate stress condition 0 V to+15 V,which the previously reported model （by Uraoka.Y） may not *** the spatial distribution of the voltage and the flow of the carriers in the channel,we proposed the “slicing model”,that is,replace the original TFT by ten TFTs with shorter channel ***,by applying the circuit simulator,the voltage distribution in the channel under different stages of gate applied voltage may be *** index considering the current flow and the channel voltage at the edge nodes are proposed to describe the degradation in mobili- *** fair linearity between the proposed index and the degradation in mobility reveals the validity of the proposed model.

关键词： Reliability AC Stress Poly-Si TFT

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MARKOV DECISION PROCESSES WITH UNCERTAIN TRANSITION RATES: SENSITIVITY AND MAX HYPHEN MIN CONTROL

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Asian Journal of Control 2008年第2期6卷

作者： Suresh Kalyanasundaram Edwin K. P. Chong Ness B. Shroff Motorola India Electronics Limited No. 66/1 Plot 5 Bagmane Techpark C. V. Raman Nagar Post Bangalore 560 093 India. Department of Electrical and Computer Engineering Colorado State University Fort Collins CO 80523-1373 USA. Professor Edwin K. P. Chong received the B.E.(Hons.) degree with First Class Honors from the University of Adelaide South Australia in 1987 graduating top of his class and the M.A. and Ph.D. degrees in 1989 and 1991 respectively both from Princeton University where he held an IBM Fellowship. He joined the School of Electrical and Computer Engineering at Purdue University in 1991 where he was named a University Faculty Scholar in 1999 and promoted to Full Professor in 2001. Since August 2001 he has been a Professor of Electrical and Computer Engineering and Professor of Mathematics at Colorado State University. His current interests are in communication networks and optimization methods. He coauthored the best-selling book An Introduction to Optimization 2nd Edition Wiley-Interscience 2001. He received the NSF CAREER Award in 1995 and the ASEE Frederick Emmons Terman Award in 1998. He coauthored a paper that was awarded Best Paper in the journal Computer Networks 2003. Professor Chong is a Fellow of the IEEE. He was founding chairman of the IEEE Control Systems Society Technical Committee on Discrete Event Systems and until recently served as an IEEE Control Systems Society Distinguished Lecturer. He has been on the editorial board of the IEEE Transactions on Automatic Control. He is currently on the editorial board of the journal Computer Networks. He has also served on the organizing committees of several international conferences. He has been on the program committees for the IEEE Conference on Decision and Control the American Control Conference the IEEE International Symposium on Intelligent Control IEEE Symposium on Computers and Communications and the IEEE Global Telecommunications Conference. He has also served in the executive committees for the IEEE Co

Solution techniques for Markov decision problems rely on exact knowledge of the transition rates, which may be difficult or impossible to obtain. In this paper, we consider Markov decision problems with uncertain transition rates represented as compact sets. We first consider the problem of sensitivity analysis where the aim is to quantify the range of uncertainty of the average per-unit-time reward given the range of uncertainty of the transition rates. We then develop solution techniques for the problem of obtaining the max-min optimal policy, which maximizes the worst-case average per-unit-time reward. In each of these problems, we distinguish between systems that can have their transition rates chosen independently and those where the transition rates depend on each other. Our solution techniques are applicable to Markov decision processes with fixed but unknown transition rates and to those with time-varying transition rates.

关键词： Markov decision processes sensitivity max-min control call admission control policy iteration

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Enabling a strong U.S. engineering workforce for technological innovation: A national partnership in graduate professional education with industry to enhance U.S. competitiveness and economic development

Enabling a strong U.S. engineering workforce for technologic...

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114th Annual ASEE Conference and Exposition, 2007

作者： Keating, Donald Stanford, Thomas Bardo, John Dunlap, Duane DeLoatch, Eugene Tricamo, Stephen Deoew, Dennis Bertoline, Gary Schuver, Mark McHenry, Albert Lindquist, Timothy Tidwell, Joseph Palmer, Harvey Smith, Mark Morrison, Raymond Egbert, Norm Quick, David Olson, Roger Truesdale, Samuel Noori, Mohamad Sullivan, Edward Rencis, Joseph Purdy, Carla University of South Carolina United States Department of Mechanical Engineering University of South Carolina United States ASEE-Graduate Studies Division Department of Chemical Engineering University of South Carolina United States Western Carolina University United States Kimmel School Western Carolina University United States Morgan State University United States School of Engineering Morgan State University United States ASEE New Jersey Institute of Technology United States Department of Industrial and Manufacturing Engineering Purdue University United States College of Technology Purdue University United States Rolls-Royce-Purdue Master's Degree Program Purdue University United States Arizona State University United States Arizona State University Polytechnic United States Boeing Co. United States JACMET Arizona State University Polytechnic United States ASEE-College Industry Partnership Division Rochester Institute of Technology United States Kate Gleason College of Engineering Rochester Institute of Technology United States Lockheed Martin Aeronautics Co. United States Engineering Integration and Strategy Lockheed Martin Aeronautics Company United States ASEE-Corporate Rolls-Royce Corporation United States Rolls-Royce North American Technologies United States California State Polytechnic University United States College of Engineering California State Polytechnic University United States Graduate Programs and Research College of Engineering California State Polytechnic University United States University of Arkansas United States Department of Mechanical Engineering University of Arkansas Fayetteville United States ASEE-Mechanical Engineering Division ASME Mechanical Engineering Department University of Cincinnati United States Department of Electrical and Computer Engineering University of Cincinnati United States

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Fieldbus networks topic in instrumentation and control systems courses

Fieldbus networks topic in instrumentation and control syste...

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113th Annual ASEE Conference and Exposition, 2006

作者： Kolla, Sri Mainoo, Joseph Bowling Green State University United States Electronics and Computer Technology Program Bowling Green State University OH United States IEEE ISA Master of Industrial Technology Degree Bowling Green State University OH United States

Fieldbus networks are digital, two-way, multi-drop communication links that are used to connect intelligent control devices. These are currently introduced in the industry to replace the traditional 4-20 mA point-to-point connections. It is important to integrate fieldbus networks topic in technology courses to align the curriculum with the current industrial practices. This paper, therefore, presents how the fieldbus networks topic is integrated into ECT 441 Instrumentation and ECT 453 Digital computer for Process Control courses in the Electronics and computer technology program (ECT) at the Bowling Green State University (BGSU). The paper first gives an overview of the current state of fieldbus networks in the industry. It lists various advantages of using fieldbus networks over point-to-point connections for instrumentation and control system implementations. The generic communication protocol model is discussed and the deviations from this model for various fieldbus networks are identified. As an example of a fieldbus, Controller Area Network (CAN) overview is presented. CANoe, a CAN simulation software is outlined. Details of a CAN bus based laboratory development at BGSU that uses CANoe software and the CAN hardware are also presented. © American Society for Engineering Education, 2006.

关键词： Network architecture

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The dancing marionette - An interdisciplinary capstone design experience for engineering technology and computer science students

The dancing marionette - An interdisciplinary capstone desig...

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113th Annual ASEE Conference and Exposition, 2006

作者： Jyhwen, Wang Liu, Steve Price, Angie Texas A and M University United States Department of Engineering Technology and Industrial Distribution Texas A and M University United States Computer Science Department Texas A and M University United States Manufacturing and Mechanical Engineering Technology Program Texas A and M University United States

With the advances in microelectronics devices, often computers, sensors, and actuators are integrated into mechanical systems. Modern engineering design thus requires efforts from a multidisciplinary team. Traditional capstone design projects offer few opportunities for inter-departmental collaborations. This paper presents an experimental capstone project organized to allow computer science students and manufacturing and mechanical engineering technology (MMET) students to work together on a "dancing marionette". The project involved three major components: 1) mechanical/kinematics design, 2) computer motion control, and 3) manufacturing. The MMET students took on the tasks of the mechanical design and fabrication of an electro-mechanical movement system. The computer science students developed motion control hardware and software to prescribe life-like movements of the puppet. While the highly successful prototype demonstrated the value of interdisciplinary collaboration, feedback from faculty and students also suggested that better communication can further improve the learning experience of future students. © American Society for Engineering Education, 2006.

关键词： Engineering education

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Aircraft maintenance technology education: Integrating asynchronous technology & virtual reality

Aircraft maintenance technology education: Integrating async...

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113th Annual ASEE Conference and Exposition, 2006

作者： Sadasivan, Sajay Vembar, Deepak Stringfellow, Paris Washburn, Carl Duchowski, Andrew Gramopadhye, Anand Cemson University Department of Industrial Engineering Clemson University SC United States Department of Computer Science Clemson University SC United States Greenville Tech United States Aircraft Maintenance Program Greenville Technical College United States Department of Computer Science Clemson University United States Industrial Engineering Department Advanced Technology Systems Laboratory Clemson University SC United States

This paper describes a research program with an objective to develop and implement an interactive virtual reality (VR) model of the aircraft inspection maintenance process for asynchronous delivery. Existing approaches have not been able to mimic accurately the complexity of the aircraft maintenance process, reporting limited transfer capabilities and student preparedness for the workplace. This use of virtual reality technology will enable educators to create and students to experience the complex aircraft maintenance environment in an educational classroom, a setting where it has not yet been successfully created using traditional multimedia-based technologies. This model will emphasize the curriculum development and workplace preparedness needed by modern aircraft maintenance technology for local, state and national audiences. The primary objectives of this research are curriculum enhancement and assessment of VR as a pedagogical tool. This innovative approach is the first effort to extend tested VR technology to the aircraft maintenance technology curriculum in a two-year college. The outcome of this research will lead to the following: an innovative, high-impact model for curriculum application in aircraft maintenance technology for college students and industry employees;an increased workplace pool of aircraft maintenance technicians prepared for the transition from learning to workforce;a program providing the use of VR technology as a pedagogical tool. The successful completion of this effort will fill a state and national need for well-prepared students entering the aircraft maintenance industry and will provide a better understanding of the use of VR as a pedagogical tool. © American Society for Engineering Education, 2006.

关键词： Aircraft

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Blank slate engineering at Florida Gulf Coast University - Innovative and multidisciplinary from the ground up

Blank slate engineering at Florida Gulf Coast University - I...

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113th Annual ASEE Conference and Exposition, 2006

作者： Blanchard, Susan Egiebor, Nosa Sweeney, James Zidek, Lisa Sechrist, Chalmers Hulbert, Sam Osborn, James O'Neill, Robert Florida Gulf Coast University United States FGCU School of Engineering Institute of Electrical and Electronics Engineers Biomedical Engineering Society American Institute for Medical and Biological Engineering United Kingdom Department of Environmental and Civil Engineering Arizona State University United States Department of Bioengineering Department of Bioengineering Arizona State University United States Flinn Foundation Funded Multi- and Interdisciplinary Graduate Training Program in Bioengineering Milwaukee School of Engineering United States Graduate Programs Industrial Engineering Program Department of Electrical and Computer Engineering Department of Engineering University of Illinois Urbana-Champaign United States Institute of Electrical and Electronics Engineers Rose-Hulman Institute for Technology School of Engineering FGCU School of Engineering's Advisory Board Roger Williams University United States Department of Civil Engineering Department of Engineering Roger Williams University United States

No abstract available

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"Inviteful" engineering: Student perceptions of industrial engineering

"Inviteful" engineering: Student perceptions of industrial e...

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ASEE 2004 Annual Conference and Exposition, "Engineering Researchs New Heights"

作者： Trytten, Deborah A. Shehab, Randa L. Rhoads, Teri Reed Fleener, M. Jayne Harris, Betty J. Reynolds, Anne Walden, Susan E. Moore-Furneaux, Sandra Kay Kvach, Elizabeth Warram, Kim R. Murphy, Teri J. University of Oklahoma School of Computer Science University of Oklahoma Department of Industrial Engineering Human Technology Interaction Center University of Oklahoma College of Engineering School of Industrial Engineering University of Oklahoma Graduate Studies and Research College of Education Women's Studies Program Department of Anthropology University of Oklahoma Dept. of Instructional Leadership University of Oklahoma Res. Institute for STEM Education University of Oklahoma Department of Communication University of Oklahoma Department of Mathematics University of Oklahoma

Interviews of twenty-six industrial Engineering students and graduates were conducted during the first year of a three year study of the unexpected attainment of gender parity in the School of industrial Engineering at the University of Oklahoma (OU). An analysis of the pattern of participant responses gives insight into industrial engineering (IE) student perceptions of IE. The perceptions were grouped into three broad themes: Career Profile, Discipline Profile, and Discipline Meta-Profile. The Career Profile includes the availability of multiple career paths and flexible careers in this discipline in addition to the potential for the attainment of status through entry into management. People-oriented, broad, and systems-oriented are terms that were used to describe the Discipline Profile. Discipline Meta-Profile is used to describe the participant's perception of other people's perceptions of industrial engineering (i.e. what IE students think other people think). These participants felt that other engineers think of IE as easy, or "imaginary" engineering. The participants also thought that the discipline is invisible, even to other engineers. While the meta-perception of IE might seem to be problematic for the discipline, many of the participants reject the meta-perception. Some participants recognized that IE's focus on people and systems is simply different than other engineering disciplines, not necessarily easier. Other participants felt the potential to enter into management outweighed the discipline meta-perception. One student summarized the response particularly well when he noted that IE is "inviteful" engineering.

关键词： Engineering education

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A Moment-Based Method for Large-Scale Generalized Eigenvalue Problems

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Applied Numerical Analysis & Computational Mathematics 2004年第2期1卷

作者： Tetsuya Sakurai Hiroto Tadano Yuichi Inadomi Umpei Nagashima Department of Computer Science University of Tsukuba Tsukuba 305-8573 Japan Core Research for Evolutional Science and Technology Japan (CREST) Doctoral Program of Systems and Information Engineering University of Tsukuba Tsukuba 305-8573 Japan Grid Technology Research Center National Institute of Advanced Industrial Science and Technology Tsukuba 305-8568 Japan

In this paper we consider a method for finding several eigenvalues and corresponding eigenvectors of large-scale generalized eigenvalue problems. In this method, a small matrix pencil that has only the desired eigenvalues is derived using complex moments obtained via numerical integration. Since the process to derive the moments can be performed in parallel and we do not need to exchange data between processes, the presented method is suitable for master-worker programming models. We have implemented and tested the proposed method in a grid RPC (remote procedure call) system. Numerical examples illustrate the properties of our approach. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

关键词： Eigenvalue problems moment-based method parallel algorithm

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