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World Congress on Intelligent Control and automation (WCICA)

作者： Jiexin Pu M.Q.-H. Meng P.R. Liu W.L.C. Shek P.X. Liu Department of Automation Huazhong University of Science and Technology Wuhan China College ofEiectronic Information Engineering Henan University of Science and Technology Luoyang China Department of Electronics Engineering Chinese University of Hong Kong New Territories Hong Kong China Department of Systems and Computer Engineering Carleton University Ottawa Canada

This article discusses the basic ideas and the practical applications of information acquisition in relation to psychophysics theory as implemented via the soft-haptics concept for Internet based robotic teleoperation systems. In specific, a study on using acoustic display for navigation applications in Internet-based robot teleoperation is presented via psychophysics tests and experimental studies of the Internet based teleoperated robotic systems to illustrate the ideas and concepts of this paper.

关键词： Internet Feedback Robot sensing systems Delay effects Auditory displays Application software Psychology Intelligent robots Humans Bandwidth

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Petri net modeling and lagrangian relaxation approach to vehicle scheduling in 300mm semiconductor manufacturing

Petri net modeling and lagrangian relaxation approach to veh...

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IEEE International Conference on Robotics and automation (ICRA)

作者： Da-Yin Liao MuDer Jeng MengChu Zhou Department of Information Management National Chi Nan University Nantou Taiwan Department of Electrical Engineering National Taiwan Ocean University Keelung Taiwan Laboratory of Complex Systems and Intelligence Science Institute of Automation CAS Beijing China Department of Electrical and Computer Engineering New Jersey Institute of Technology Newark USA

Instead of making decisions with fast but local dispatching functions, the increasing computing power and up-to-moment information provisioning have made possible real-time vehicle scheduling in an automated material handling environment in 300mm semiconductor manufacturing. To our best knowledge, this paper is the first work to adopt the scheduling approach to solve the 300mm vehicle transportation problems. We adopt Petri nets to model the coupling dynamics among transport jobs and OHT vehicles in an intrabay loop. The congestion phenomenon among OHT vehicles is captured. The OHT scheduling problem is then formulated into an integer programming problem whose goal is to efficiently allocate OHT vehicles to jobs such that average job delivery time is minimized. A solution methodology that combines Lagrangian relaxation and the surrogate subgradient methods [13] is developed. To reduce computational efforts in solving each subproblem optimally, an approximation method is developed to solve for subproblems. A heuristic algorithm is developed to adjust the dual solution to a feasible schedule. Numerical results demonstrate that our solution methodology can generate good schedules within a reasonable amount of computation time for realistic problems. Compared to a popular vehicle dispatching rule, our approach can achieve 25.6% improvements on the average delivery time in our realistic test cases.

关键词： Lagrangian functions Vehicles Job shop scheduling Virtual manufacturing Semiconductor device manufacture Processor scheduling Dispatching computer aided manufacturing Materials handling Manufacturing automation

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Panel on future challenges in modeling methodology 04

Panel on future challenges in modeling methodology

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Simulation Winter Conference

作者： S.J.E. Taylor P. Lendermann R.J. Paul S.W. Reichenthal S. Strassburger S.J. Turner Centre for Applied Simulation Modeling Department of Information Systems and Computing Brunei University Uxbridge Middlesex UK Production and Logistics Planning Group Singapore Institute of Manufacturing Technology Singapore Boeing Anaheim CA USA Department Virtual Development Fraunhofer Institute of Factory Operation and Automation Magdeburg Germany Parallel & Distributed Computin Centre School of Computer Engineering Nanyang Technological University Singapore

ISBN: (纸本)9780780387867

This panel paper presents the views of six researchers and practitioners of simulation modeling. Collectively we attempt to address a range of key future challenges to modeling methodology. It is hoped that the views of this paper, and the presentations made by the panelists at the 2004 Winter Simulation Conference will raise awareness and stimulate further discussion on the future of modeling methodology in areas such as modeling problems in business applications, human factors and geographically dispersed networks; rapid model development and maintenance; legacy modeling approaches; markup languages; virtual interactive process design and simulation; standards; and Grid computing.

关键词： Computational modeling Virtual manufacturing Logistics Human factors computer aided manufacturing Markup languages Process design Standards development Grid computing Discrete event simulation

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An approach to process automation based on cooperating subprocess agents 1

An approach to process automation based on cooperating subpr...

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1st International Conference on Industrial Applications of Holonic and Multi-Agent systems, HoloMAS 2003

作者： Seilonen, Ilkka Pirttioja, Teppo Appelqvist, Pekka Halme, Aarne Koskinen, Kari Helsinki University of Technology Computer and Information Systems in Automation P.O.Box 5400 HUTFIN-02015 Finland Helsinki University of Technology Automation Technology Laboratory P.O.Box 5400 HUTFIN-02015 Finland

ISBN: (纸本)9783540407515

An approach to extend process automation systems with cooperating subprocess agents is presented in this paper. According to this approach a society of subprocess agents supervises an ordinary process automation system. The functionality of this agent layer includes supervising the lower-level automation system, semi-autonomous reconfiguration of its control logic when needed and query processing for external systems. In this way the approach aims for enhancing the operational flexibility of the automation system. The subprocess agents utilize several agent-based cooperation mechanisms in order to be able to perform their tasks. The approach is demonstrated with a laboratory test process where process startup and fault-recovery scenarios have been imitated. Experiences from initial test runs are described, too. © Springer-Verlag Berlin Heidelberg 2003.

关键词： automation

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Distributed planning agents for intelligent process automation

Distributed planning agents for intelligent process automati...

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IEEE International Symposium on Computational Intelligence in Robotics and automation (CIRA)

作者： I. Seilonen T. Pirttioja P. Appelqvist A. Halme K. Koskinen Information and Computer Systems in Automation Helsinki University of Technology Espoo Finland Automation Technology Laboratory Helsinki University of Technology Espoo Finland

An approach to intelligent process automation based on distributed planning agents is presented in this paper. According to this approach a higher-level agent-based automation layer supervises an ordinary process automation system. The purpose of the agent layer is to monitor the operation of the lower-level automation system and semi-autonomously reconfigure its control logic when needed. The agent layer operates as a distributed planning and plan execution system, which creates and runs reconfiguration sequences on the ordinary automation system in order to adapt it to various situations. In this way the approach aims to increase the operational flexibility of the whole automation system. The approach is demonstrated with a laboratory test process where process startup scenarios have been imitated. Experiences from the initial test runs are also described.

关键词： Process planning Intelligent agent automation Automatic control Artificial intelligence Laboratories Testing Process control Distributed computing World Wide Web

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Identification of surface leather defects 03

Identification of surface leather defects

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Proceedings of the 4th international conference conference on computer systems and technologies: e-Learning

作者： Lidiya Georgieva Kaloyan Krastev Nikola Angelov Department of Computer Systems and Technology University of Rousse Department of Automation Information and Control Technique University of Rousse

In this paper is discussing application of χ2 - criteria for analysis of leathers based on image histograms. It is proposed a manner determining standard histograms and basic evaluation, It is designed an algorithm o... 详细信息

ISBN: (纸本)9789549641332

关键词： χ

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A performance analyser and prediction tool for parallel discrete event simulation

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International Journal of Simulation: systems, Science and Technology 2003年第1-2期4卷 7-22页

作者： Juhasz, Zoltan Turner, Stephen Kuntner, Krisztian Gerzson, Miklos Dept of Information Systems University of Veszprem Hungary School of Computer Engineering Nanyang Technological University Singapore Dept of Computer Science University of Exeter United Kingdom Dept of Automation University of Veszprem Hungary

Developing parallel discrete event simulation programs is a difficult and time consuming process often ending with disappointment as the achieved performance is often lower than expected. Developers need performance prediction tools that are capable of providing information on the future performance of the parallel program prior to implementation. This paper describes a performance analyser tool developed to predict the performance of parallel discrete event simulation programs. Its unique feature is that it does not require the existence of the parallel program;it gathers the necessary program information from a trace file generated by a sequential simulation run. This enables one to determine, using a sequential simulation program, whether or not a parallel implementation is suitable, and if so, which approach is the best for the given simulation problem. The parallel version then only has to be developed if proved to be successful. The paper describes the analyser program, its architecture, functionality and use. © 2003, UK Simulation Society. All rights reserved.

关键词： Forecasting

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A simulator for line-of-sight missile control and guidance systems: Object-oriented design

A simulator for line-of-sight missile control and guidance s...

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2003 IEEE Aerospace Conference

作者： Dimirovski, Georgi M. Mohenski, Darko D. Deskovski, Stoyce M. Dogus University Dept. of Computer Engineering and Information Technologies Acibadem Zeamet Sk. No: 21 Kadikoy TR-8 1080 Istanbul Turkey SS Cyril and Methodius University Institute of Automation and Systems Engineering at FEE Karpos 2 Rugjer Boskovic b.b. MK-1000 Skopje Macedonia Dept. of Information and Control Systems Military Academy of RM General M. Apostolski MK-1000 Skopje Macedonia

ISBN: (纸本)078037651X

A standard PC platform based simulator system for personnel training in anti-tank guided missile (ATGM) systems has been designed and implemented;its operation is managed through instructor-trainee interaction. It makes use of object-oriented simulation modeling, 6 degree-offreedom (6DOF) missile model and mask modeling of terrain and weather conditions. The main topic of research are the short-range and line-of-sight (CLOS) missiles as well as their guidance and control and target selection and tracking in combat situation. The simulation model specifications are built around the set of concurrent cooperating objects, including representation model of the system's environment. The set of compatible models and software implementations for missiles and moving ground targets, involving their interrelated kinematics, has been elaborated by own research entirely. An appropriate designed user-system interface employing Visual Basic enhances the instructor-trainee co-operation. Its significance stems fiom being usable for personnel training and simulating all typical combat situations given country's landscapes, and being amenable to adjustments to serve a combat command and control instrument if endowed with some hardware-in-the-loop (HIL) elements and interface to launching platform. In addition, it is aimed for investigating new tracking algorithms in multi-target environment. © 2003 IEEE.

关键词： Target tracking

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A course in air traffic control for developing countries development and implementation

A course in air traffic control for developing countries dev...

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2003 IEEE Aerospace Conference

作者： Dimirovski, Georgi Marko Dogus University Dept. of Computer Engineering and Information Technologies Acibadem Zeamet Sk. No: 21 Kadikoy TR-81010 Istanbul Turkey SS Cyril and Metbodius University Inst. of Automation and Systems Engineering FEE Karpos 2 Rugjer Boskovic b.b. MK-1000 Skopje Macedonia

ISBN: (纸本)078037651X

This paper presents a working implementation of a course in Air Traffic Control (in the Rep. of Macedonia), which is believed to be properly tailored according to the needs of small developing countries that are likely to be users of this technology only. One version was designed for the undergraduate studies in Traffic Engineering at the Technical Faculty (TFB) in Bitola. The other version is designed for the graduate studies in automation & systems Engineering at Faculty of Electrical Engineering (FEE) in Skopje. While it may not he widely suitable for developing countries in general, it is believed these have largely met the objectives for such dedicated comes. Since, in all countries, some knowledge on air traffic control is indispensable in order to meet the internationally approved criteria, requirements and standards for proper world-wide air traffic operations. © 2003 IEEE.

关键词： Air traffic control

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A simulator for line-of-sight missile control and guidance systems: object-oriented design

A simulator for line-of-sight missile control and guidance s...

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IEEE Conference on Aerospace

作者： G.M. Dimirovski D.D. Mohenski S.M. Deskovski Institute of Automation & Systems Engineering at FEE Saints Cyril and Methodius University슠of슠Skopje Skopje Macedonia Department of Computer Engineering & Information Technologies Dogus University Istanbul Turkey Department of Information & Control Systems Military Academy Skopje Macedonia

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