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MODELING AND CONTROL OF ELEVATORS BY STATECHARTS

Asian Journal of Control 2008年第2期6卷

作者： Yi-Sheng Huang Sheng-Luen Chung Mu-Der Jeng Department of Aeronautical Engineering Chung Cheng Institute of Technology National Defense University Tashi Taoyuan 335 Taiwan R.O.C. Department of Electrical Engineering National Taiwan University of Science and Technology Taipei 106 Taiwan R.O.C. Department of Electrical Engineering National Taiwan Ocean University Kellung 202 Taiwan R.O.C. MuDer Jeng received the Ph.D. degree in computer and systems engineering from Rensselaer Polytechnic Institute Troy NY in 1992. Since August 1992 Dr. Jeng has been with National Taiwan Ocean University Keelung Taiwan where he is currently a full Professor at the Department of Electrical Engineering. His current research interests include Petri nets discrete event systems computer integrated manufacturing semiconductor factory automation embedded systems. Dr. Jeng is the author/co-author of over 120 book chapters journal papers and conference papers. Dr. Jeng received the Franklin V. Taylor Outstanding Paper Award from the IEEE Systems Man and Cybernetics Society in 1993. He was granted the Research Award by the National Science Council of Taiwan annually from 1994 to 2000. He is an Associate Editor for IEEE Transactions on Systems Man and Cybernetics-Part A IEEE Transactions on Robotics and Automation IEEE Transactions on Robotics and serves on the Editorial Board of International Journal of Computer Integrated Manufacturing. He has been a Guest Editor for eight leading journals. Dr. Jeng is the Chair of the Technical Committee on Discrete Event Systems of the IEEE SMC Society and the Founding Chair of the Technical Committee on Semiconductor Factory Automation of the IEEE Robotics and Automation Society. He served as the Exhibitions Chair of 2003 IEEE International Conference on Robotics and Automation and the Special Sessions Chair of 2004 IEEE International Conference on Networking Sensing and Control. He serves as a Program Co-Chair of 2005 IEEE International Conference on Networking Sensing and Control and the Organization Commit

Statechart has been utilized as a visual formalism for the modeling of complex and interactive systems for its illuminating features on describing properties of causality, concurrency, and synchronization. This paper presents the application of satechart to the modeling, design and implementation of an elevator system, whose system behavior involves aggregating complexity of state descriptions, and imposition of underlying control policy. Based on the operational flow of an elevator, we derive the associated statechart model by looking into the inherent hierarchical structure of the elevator. The advantage of the proposed approach is the clear presentation of system behavior in terms of conditions and events that cause the transitions in system dynamics. Implementation of the controlled elevator based on the modeled statechart is also presented.

关键词： Statechart interactive systems elevator

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Contribution of engineering management and systems engineering concepts to engineering design

Contribution of engineering management and systems engineeri...

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114th Annual ASEE Conference and Exposition, 2007

作者： Sireli, Yesim Conrad, James Kane, Martin Skinner, Frank University of North Carolina Charlotte United States Engineering Management Program University of North Carolina Charlotte United States ASEE IEEE Engineering Management Society Decision Sciences Institute United States ASEM Korea Republic of Marketing Science Institute United States Honor Society of Phi Kappa Phi United States IEEE Eta Kappa Nu United States Project Management Institute United States IEEE Computer Society Department of Civil and Environmental Engineering University of North-Carolina Charlotte United States Eno ASCE ITE Sigma Xi United States Chi Epsilon Industrial Solutions Department of Mechanical Engineering and Engineering Science University of North Carolina Charlotte United States Robo-Tech. Systems Inc. GE Advanced Products Corp.

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Waters network's potential to transform environmental engineering education

Waters network's potential to transform environmental engine...

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114th Annual ASEE Conference and Exposition, 2007

作者： Eschenbach, Elizabeth Montgomery, Jami Johnson, James Brus, Chris Carlson, Patricia Giammar, Dan Grauer, Bette Hotaling, Liesl Oguntimein, Gbekeloluwa Safferman, Steven Wentling, Tim Humboldt State University United States Department of Environmental Resources Engineering Humboldt State University United States WATERS Network - CLEANER Project Office Network Howard University United States Department of Environmental Engineering College of Engineering Architecture and Computer Sciences Howard University United States American Academy of Environmental Engineers United States University of Iowa United States Program University of Iowa United States Rose-Hulman Institute of Technology United States Department of Rhetoric Rose-Hulman Institute of Technology United States National Research Council U. S. Air Force United States NASA's Classroom of the Future Wheeling WV United States Washington University United States Department of Energy Environmental and Chemical Engineering Washington University St. Louis United States Environmental Studies Program Center for Materials Innovation United States McPherson High School United States McPherson High School McPherson KS United States Stevens Institute of Technology United States Stevens Institute of Technology United States Morgan State University United States Michigan State University United States Biosystems and Agricultural Engineering Department Michigan State University United States University of Dayton United States Education Planning Committee National Center for Supercomputing Applications United States Department of Information Science Graduate School of Library and Information Science National Center for Supercomputing Applications University or Illinois United States Knowledge and Learning Systems Group NCSA United States

The WATERS Network (WATer and Environmental Research systems Network) will be an integrated real-time distributed observing system which will enable academic and government scientists, engineers, educators, and practitioners to advance effective management of our nation's water resources by understanding human interactions with water and the natural and built environment. WATERS will provide easily accessible real time environmental data as well as analysis tools to engineers, scientists, educators, K- graduate students and policymakers so they can better understand how water quantity, quality and related components of the hydrologic cycle are impacted by natural and human influences. The WATERS strategic plan will be completed by July 2007 and requires constituent input. This paper describes the draft Conceptual Design and the Education Plan of WATERS Network. This paper will highlight the potential impact of WATERS on undergraduate and graduate environmental engineering education in order to elicit input from the environmental engineering education community on how WATERS Network could better meet the future needs of undergraduate and graduate students and educators. More information can be found at ***. © American Society for engineering Education, 2007.

关键词： Water resources

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An alternative QoS architecture for the IEEE 802.16 Standard 06

An alternative QoS architecture for the IEEE 802.16 Standard

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2nd Conference on Future Networking Technologies, CoNEXT'06

作者： De Moraes, Luís Felipe M. Maciel, Paulo Ditarso Systems Engineering and Computer Science Program - COPPE/UFRJ HighSpeed Networks Laboratory RAVEL Rio de Janeiro RJ Brazil

In this paper, we propose an alternative QoS architecture for the IEEE 802.16 Standard, that incorporates a priority based packet scheduling and a new traffic shaping. For this, we present the ideas of a traffic condi... 详细信息

ISBN: (纸本)1595934561

关键词： Quality of service

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A variable priorities MAC protocol for broadband wireless access with improved channel utilization among stations

A variable priorities MAC protocol for broadband wireless ac...

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2006 International Telecommunications Symposium, ITS

作者： De Moraes, L.F.M. Maciel Jr., P.D. High-Speed Networks Laboratory - RAVEL Systems Engineering and Computer Science Program - COPPE/UFRJ Rio de Janeiro - RJ Brazil

ISBN: (纸本)8589748049

The Broadband Wireless Access (BWA) technology has been proposed to support different traffic classes with distinct quality of service (QoS) requirements in broadband metropolitan area networks. Therefore, as part of its specifications, such a system must properly address the combined requirements of wireless communications and multimedia applications. We propose in this paper an extension to the MAC protocol presented in [1, 2], by assigning variable priorities to the network stations sharing access to the communication channel. An analytical model to evaluate the performance of the proposed protocol is also developed and results obtained for the messages waiting times at different stations are presented. In addition, simulation data are used to compare the results obtained from the analytical model presented previously. It is concluded that the proposed variable priority MAC protocol is able to improve channel utilization and provide throughput and queueing delay fairness among the stations in the network. © 2006 SBrT.

关键词： Analytical models

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Emerging topics for industrial engineering curriculum

Emerging topics for industrial engineering curriculum

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113th Annual ASEE Conference and Exposition, 2006

作者： Rabelo, Luis Hernandez, Ethling Crumpton-Young, Lesia Eskandari, Hamidreza Sala-Diakanda, Serge Furterer, Sandra Williams, Kent University of Central Florida United States Department of Industrial Engineering and Management Systems University of Central Florida Orlando FL United States Engineering Management Program College of Engineering and Computer Science Industrial Engineering Society Department of Industrial Engineering and Management Systems College of Engineering and Computer Science University of Central Florida Orlando FL United States Department of Industrial Engineering and Management Systems University of Central Florida United States Industrial Engineering and Management Systems Department College of Engineering and Computer Science University of Central Florida United States

The primary purpose of this study was to identify the desired characteristics of an undergraduate Industrial Engineer as an entry-level employee, and to determine the emerging topic areas that should be incorporated into the reengineered curriculum. This research study will help determine the future focus on curriculum development to be more responsive to the needs and requirements of industry. This paper will explain the process to validate and obtain the different emerging topics. The principal research method employed was a modified three round Delphi study that targeted Industry and Academia. The research findings obtained from the first round of the study are discussed that identify the desired characteristics, and the most important emerging topics to be incorporated into the reengineered curriculum. © American Society for engineering Education, 2006.

关键词： Industrial engineering

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Investigating the user mobility in wireless mobile networks through real measurements 06

Investigating the user mobility in wireless mobile networks ...

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2nd Conference on Future Networking Technologies, CoNEXT'06

作者： Campos, Carlos Alberto V. De Moraes, Luis Felipe M. Systems Engineering and Computer Science Program-COPPE HighSpeed Networks Laboratory RAVEL Federal University of Rio de Janeiro/UFRJ Rio de Janeiro RJ Brazil

In this paper is proposed a real mobility characterization study for wireless devices. For this, we use mobility metrics and statistic analysis to evaluate the behavior of device movement components.

ISBN: (纸本)1595934561

In this paper is proposed a real mobility characterization study for wireless devices. For this, we use mobility metrics and statistic analysis to evaluate the behavior of device movement components.

关键词： Wireless networks

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Workshop on imaging science development for cancer prevention and preemption

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Cancer Biomarkers 2007年第1期3卷 1-33页

作者： Kelloff, Gary J. Sullivan, Daniel C. Baker, Houston Clarke, Lawrence P. Nordstrom, Robert Tatum, James L. Dorfman, Gary S. Jacobs, Paula Berg, Christine D. Pomper, Martin G. Birrer, Michael J. Tempero, Margaret Higley, Howard R. Petty, Brenda Gumbs Sigman, Caroline C. Maley, Carlo Sharma, Prateek Wax, Adam Ginsberg, Gregory G. Dannenberg, Andrew J. Hawk, Ernest T. Messing, Edward M. Grossman, H. Barton Harisinghani, Mukesh Bigio, Irving J. Griebel, Donna Henson, Donald E. Fabian, Carol J. Ferrara, Katherine Fantini, Sergio Schnall, Mitchell D. Zujewski, Jo Anne Hayes, Wendy Klein, Eric A. DeMarzo, Angelo Ocak, Iclal Ketterling, Jeffrey A. Tempany, Clare Shtern, Faina Parnes, Howard L. Gomez, Jorge Srivastava, Sudhir Szabo, Eva Lam, Stephen Seibel, Eric J. Massion, Pierre McLennan, Geoffrey Cleary, Kevin Suh, Robert Burt, Randall W. Pfeiffer, Ruth M. Hoffman, John M. Roy, Hemant K. Wang, Thomas Limburg, Paul J. El-Deiry, Wafik S. Papadimitrakopoulou, Vali Hittelman, Walter N. MacAulay, Calum Veltri, Robert W. Solomonzz, Diane Jeronimo, Jose Richards-Kortum, Rebecca Johnson, Karen A. Viner, Jaye L. Stratton, Steven P. Rajadhyaksha, Milind Dhawan, Atam NIH/NCI/DCTD Cancer Imaging Program Bethesda MD United States NIH/NCI/DCTD Cancer Imaging Program NCI-Frederick Frederick MD United States NIH/NCI/DCP Early Detection Research Group Bethesda MD United States The Johns Hopkins University School of Medicine Departments of Radiology Pharmacology and Oncology Division of Neuroradiology Baltimore MD United States NIH/NCI/CCR Cell and Cancer Biology Branch Bethesda MD United States University of California San Francisco Department of Medicine Division of Medical Oncology San Francisco CA United States CCS Associates Inc. Mountain View CA United States Wistar Institute Molecular and Cellular Oncogenesis Program Philadelphia PA United States University of Kansas School of Medicine VA Hospital Kansas City MO United States Duke University Department of Biomedical Engineering Medical Physics Program Durham NC United States University of Pennsylvania School of Medicine Department of Gastroenterology Philadelphia PA United States New York Presbyterian Hospital Weill Medical College of Cornell University New York NY United States NIH/NCI/OD Office of Centers for Training and Resources Bethesda MD United States University of Rochester Medical Center Department of Urology Rochester NY United States University of Texas MD Anderson Cancer Center Department of Urology Houston TX United States Massachusetts General Hospital Abdominal Imaging/Interventional Radiology Boston MA United States Boston University Biomedical Engineering Electrical and Computer Engineering and Physics Boston MA United States NIH/NCI/DCP Gastrointestinal and Other Cancers Research Group Bethesda MD United States The George Washington University Cancer Institute Office of Cancer Prevention and Control Washington DC United States University of Kansas Cancer Center Clinical Oncology Kansas City KS United States University of California Davis Department of Biomedical Engineering Davis CA United States Tufts University De

The concept of intraepithelial neoplasm (IEN) as a near-obligate precursor of cancers has generated opportunities to examine drug or device intervention strategies that may reverse or retard the sometimes lengthy process of carcinogenesis. Chemopreventive agents with high therapeutic indices, well-monitored for efficacy and safety, are greatly needed, as is development of less invasive or minimally disruptive visualization and assessment methods to safely screen nominally healthy but at-risk patients, often for extended periods of time and at repeated intervals. Imaging devices, alone or in combination with anticancer drugs, may also provide novel interventions to treat or prevent precancer.

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A Systematic Review of Cross- vs. Within-Company Cost Estimation Studies 10

A Systematic Review of Cross- vs. Within-Company Cost Estima...

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10th International Conference on Evaluation and Assessment in Software engineering, EASE 2006

作者： Kitchenham, Barbara Mendes, Emilia Travassos, Guilherme H. Department of Computer Science Keele University StaffordshireST5 5GB United Kingdom National ICT Australia Locked Bag 9013 AlexandriaNSW1435 Australia Computer Science Department The University of Auckland Private Bag 92019 Auckland New Zealand UFRJ/COPPE Systems Engineering and Computer Science Program Caixa Postal 68511 RJ Rio de Janeiro21941-972 Brazil

OBJECTIVE – The objective of this paper is to determine under what circumstances individual organisations would be able to rely on cross-company based estimation models. METHOD – We performed a systematic review of studies that compared predictions from cross-company models with predictions from within-company models based on analysis of project data. RESULTS – Ten papers compared cross-company and within-company estimation models, however, only seven of the papers presented independent results. Of those seven, three found that cross-company models were as good as within-company models, four found cross-company models were significantly worse than within-company models. Experimental procedures used by the studies differed making it impossible to undertake formal meta-analysis of the results. The main trend distinguishing study results was that studies with small single company data sets (i.e. © EASE *** rights reserved.

关键词： Cost estimating

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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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