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IEEE Potentials 2002年第3期21卷 12-16页

作者： Patnaik, L.M. Jamadagni, H.S. Agrawal, V.K. Varaprasad, B.K.S.V.L. Indian Institute of Science Bangalore India Department of Computer Science and Automation Bangalore India Indian Institute of Science Bangalore India Control Systems Group ISRO Satellite Centre India

No abstract available

关键词： Very large scale integration Circuit testing Circuit faults Clocks Logic Power supplies Circuit noise Crosstalk Propagation delay Digital circuits

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A real-time Java system on a multithreaded Java microcontroller

A real-time Java system on a multithreaded Java microcontrol...

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International Symposium on Object-Oriented Real-Time Distributed Computing

作者： M. Pfeffer S. Uhrig T. Ungerer U. Brinkschulte Institute for Computer Science University of Augsburg Augsburg Germany Institute for Process Control Automation and Robotics University of Karlsruhe Karlsruhe Germany

This paper presents a real-time Java hardware and software system for use in embedded applications. The system includes a multithreaded Java microcontroller, an adapted Java Virtual Machine (JVH) and an extended application programming interface (API). The microcontroller core is designed with a multithreaded pipeline and hardware support for real-time scheduling algorithms. The Java Virtual Machine consists of trap routines for complex Java byte-codes, real-time garbage collection and a class loader for creating real-time data structures. On a higher level, the application programming interface provides easy real-time thread management and access to hardware components like serial interfaces and timer/counter units.

关键词： Java Real time systems Microcontrollers Hardware Application software Virtual machining Software systems Algorithm design and analysis Pipelines Scheduling algorithm

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Decomposition of complex linear systems via hierarchical similarity structure

Decomposition of complex linear systems via hierarchical sim...

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IEEE International Conference on Electronics, Circuits and Systems (ICECS)

作者： Y.-W. Jing G.M. Dimirovski J. Zhao M.J. Stankovski Institute of Control Science School of Information Science & Engineering Northeastern University Shenyang Liaoning China Institute of Automation & Systems Engineering Faculty of Electrical Engineering Ss Cyril and Methodius University Skopje Macedonia Department of Computer Engineering Faculty of Engineering Dogus University Istanbul Turkey

In this paper, the problem of system decomposition of complex linear dynamical systems, by exploiting the similarity property, is studied. System decompositions were sought in terms of similarity hierarchical structures. Three new theoretical results were proved. A method for constructing the transformation has been derived. The conditions for such decomposition of complex linear systems are given.

关键词： Linear systems control systems Systems engineering and theory Design engineering Interconnected systems Robots Automatic control Information science automation Modems

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On complex non-linear systems with symmetries: controllability preserving decomposition

On complex non-linear systems with symmetries: controllabili...

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IEEE International Conference on Electronics, Circuits and Systems (ICECS)

作者： G.M. Dimirovski Y.-W. Jing J. Zhao T.D. Kolemisevska-Gugulovska Institute of Automation & Systems Engineering Faculty of Electrical Engineering Ss Cyril and Methodius University Skopje Macedonia Department of Computer Engineering Faculty of Engineering Dogus University Istanbul Turkey Institute of Control Science School of Information Science & Engineering Northeastern University Shenyang Liaoning China Institute of Automation & Systems Engineering Faculty of Electrical Engineering Ss Cyril and Methodius University Skopje Macedonia

In this paper, the problems of isomorphic decomposition and controllability of a class of nonlinear systems possessing symmetries, on the basis of quotient systems, is studied. The isomorphic decomposition formations of these systems are derived. Finally, it is shown that controllability of the original systems can be determined by that of the subsystems, which are obtained through isomorphic decomposition. The corresponding sufficient and necessary conditions are given. Two new theoretical results have been proved.

关键词： controllability Nonlinear control systems control systems Nonlinear systems Automatic control Information science automation Systems engineering and theory Feedback Mathematical model

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Error compensation on precision machine tool servo control system based on digital concave filter

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Journal of Harbin institute of Technology(New Series) 2001年第4期8卷 389-393页

作者：王立松苏宝库张晶董申 Dept. of Control Theory and Engineering Harbin Institute of Technology Dept. of Computer Science and Engineering Harbin Institute of Technology Dept. of Mechanical Engineering and Automation Harbin Institute of Technology

It is concluded from the results of testing the frequency characteristics of the sub micron precision machine tool servo control system, that the existence of several oscillating modalities is the main factor that affects the performance of the control system. To compensate for this effect,several concave filters are utilized in the system to improve the control accuracy. The feasibility of compensating for several oscillating modalities with a single concave filter is also studied. By applying a modified Butterworth concave filter to the practical system, the maximum stable state output error remains under ±10 nm in the closed loop positioning system.

关键词： precision machine tool concave filter oscillating modality

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Intelligent assumption retrieval from process models by model-based reasoning 1

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14th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems, IEA/AIE 2001

作者： Lakner, R. Hangos, K.M. Dept. of Computer Science University of Veszprém Veszprém Hungary Systems and Control Laboratory Computer and Automation Research Institute HAS Budapest Hungary

ISBN: (数字)9783540455172

ISBN: (纸本)3540422196

Process models can be seen as structured knowledge base elements with syntax and semantics dictated by the underlying physical and chemical laws. The effect of model simplification assumptions is then determined by forward reasoning in order to take into account all of their implications. A bidirectional reasoning method for the retrieval of modelling assumptions from two related process models is proposed. An intelligent model editor is constructed to perform and test the model-based reasoning methods related to the assumption retrieval. © Springer-Verlag Berlin Heidelberg 2001.

关键词： Semantics

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Hybrid leader-follower and fuzzy-Petri-net traffic rate control and supervision in network systems

Hybrid leader-follower and fuzzy-Petri-net traffic rate cont...

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5th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service, TELSIKS 2001

作者： Dimirovski, G.M. Jing, Yuanwei Zhang, Siying Dept. of Computer Engineering Faculty of Engineeing DOGUS University Zeamet Sk. 21 TR-81010 Kadikoy-Istanbul Turkey Institute of Automation and Systems Engg. Faculty of Electical Engineering Methodius University MK-1000 Skopje Macedonia Institute of Control Theory School of Information Science and Engineering Northeastern University Shenyang Liaoning 110006 China

ISBN: (纸本)078037228X

This paper addresses networking and traffic control problems in network systems along with the potential for introducing soft-computing applications at supervisory control level. The incentive Stackelberg strategy control concept was introduced to the networking model that comprises subsidiary systems of users and of network. A linear strategy is proposed for the elastic traffic problem, and results are demonstrated and illustrated via Kelly's (1997) example. The presented method is extended to the non-elastic traffic problem and results are also illustrated via a slightly modified Kelly example. Ways of employing combined analytical and soft-computing approaches and techniques in a hybrid framework have been investigated. A fuzzy-Petri-net supervisor is proposed to implement the strategic decision and control layer. Insofar obtained results are rather encouraging, and this research continues further towards possible implementation as well as some open theoretical issues. © 2001 IEEE.

关键词： Game theory

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Hybrid leader-follower and fuzzy-Petri-net traffic rate control and supervision in network systems

Hybrid leader-follower and fuzzy-Petri-net traffic rate cont...

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International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service (TELSIKS)

作者： G.M. Dimirovski Yuanwei Jing Siying Zhang Institute of Automation & Systems Engg. Faculty of Electical Engineering SS Cyril and Methodius University Skopje Macedonia Department of Computer Engineering Faculty of Engineeing Dogus University Istanbul Turkey Institute of Control Theory School of Information Science & Engineering Northeastern University Shenyang Liaoning China

关键词： Communication system traffic control control systems Intelligent networks Game theory Telecommunication control Traffic control Routing control system synthesis Supervisory control Pricing

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Optimal Pricing Strategies Based on Time Delay in Multi-Service Networks

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IFAC Proceedings Volumes 2001年第3期34卷 105-110页

作者： Fude Jin Yuanwei Jing Zhianhua Zhou G.M. Dimirovske K. Sohraby Institute of Control Science School of Information Science & Engineering Northeastern University Shenyang Liaoning 110006 P.R. of CHINA +86-24/2389-3138 Inst. of Automation & Systems Engg. Faculty of EE SSs. Cyril & Methodius University Karpos 2 B.B. P.D.Box 574:MK-1000 Skopje Rep.of Macedonia Fax# +90-216/327-9631 Dept. of Computer Science & Telecommunications University of Missouri-Kansas Kansas City M064110 USA

The problem of the pricing equilibrium in multi-service priority-based networks isstudied by using Stackelberg game theory. Some concepts of the game theory were revisited first. Then, the existing results on two-user, twolevel Nash problem was reviewed briefly. Following this background, a new one-leader, two-level, two-user incentive Stackelberg strategy was derived and proved by employing the time delay involved.

关键词： Communication networks game theory incentives optimal systems priority Stackelberg game

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control Incentives for Leader-Follower Model in Communication Networks and Softcomputing Potential

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IFAC Proceedings Volumes 2001年第3期34卷 15-26页

作者： G.M. Dimirovski Yuanwei Jing Siying Zhang K. Sohraby Inst. of Automation & Systems Engg. SS Cyril & Methodius University Skopje. R. of Macedonia. and DOGUS University. 81010 Istanbul-Kadikoy R. of Turekey Fax# +90-2 1 6-32 7-9631 Institute of Control Science. School of Information Science & Engineering Northeastern University. Shenyang. Liaoning. 110006. P.R. of China Fax# +86-24-2389-3138 Dept. Of Computer Science & Telecommunications. University of Missouri - Kansas Kansas City. M064J JO. USA

The problem of networking supervision and traffic rate control in multi-service network systems is studied by using concepts of Nash equilibrium and Stackelberg strategy under assumption of two-level system architecture. Models of users, network provider and overall system in game-theoretic setting are presented. Linear Stackelberg incentive strategies are derived for both elastic and non-elastic traffic, and verified using Kelly's example. Outlines of the two-level integrated control and supervision architecture, and of the proposed fuzzy-Perti-net supervisor are given.

关键词： Communication networks fuzzy Petri-nets game theory incentives optimisation Stackelberg strategies

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