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Composite systems control by combined math-analytical and FS/NN computing approach

IFAC Proceedings Volumes 2003年第7期36卷 7-18页

作者： Georgi M. Dimirovski Yuan-Wei Jing Jun Zhao Si-Ying Zhang Dogus University Department of Computer Engineering Faculty of Engineering Acibadem Kadiköy TR-34722 Istanbul Turkey Fax# +90-216-327-9631 SS Cyril and Methodius University Institute of Automation & Systems Eng. Faculty of Electrical Engineering MK-1000 Skopje R. of Macedonia Northeastern University Institute of Control Science School of Information Science & Eng. Shenyang Liaoning P.R. of China Fax# +90-24-2389-0912

A control systems engineering approach, employing a two-level overall system architecture and different but compatible formalisms for system representation on the upper and lower levels, has been investigated in detail. One design alternative is based on employing fuzzy-system approximators and solving for the adaptive tracking of the given, arbitrary, desired system outputs. The other alternative is based on state equations of composite systems and the use of neural-network approximators to deal with uncertainties and control adaptation. In both alternatives similarity property of subsystems has been exploited. Both designs can be implemented within the standard computer process control technology, and are therefore believed to be promising in applied systems engineering.

关键词： Complex composite systems fuzzy systems neural networks nonlinear systems

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Input reconstruction by means of system inversion: Application to fault detection and isolation 15th

Input reconstruction by means of system inversion: Applicati...

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15th World Congress of the International Federation of Automatic Control, 2002

作者： Szigeti, F. Bokor, J. Edelmayer, A. Systems and Control Laboratory Computer and Automation Research Institute Hungarian Academy of Sciences Kende u. 13-17 BudapestH-1111 Hungary Department of Control Engineering Faculty of Engineering University of Los Andes Mérida A.P. 11 La Hechicera Venezuela

ISBN: (纸本)9783902661746

This paper attempts to look at the fundamental problem of fault detection and isolation (FDI) in nonlinear systems. Using the idea of input reconstruction by means of dynamic inversion the authors first discuss the properties of input (or fault) observability in linear systems. The extension of the results to nonlinear systems as well as the mathematical conditions of the calculation of the inverse system, which provides the inverse in finite algorithmic steps, are given. The applicability of the inversion process to fault reconstruction in nonlinear systems is demonstrated. Copyright © 2002 IFAC.

关键词： Fault detection

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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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INPUT RECONSTRUCTION BY MEANS OF SYSTEM INVERSION: APPLICATION TO FAULT DETECTION AND ISOLATION

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IFAC Proceedings Volumes 2002年第1期35卷 13-18页

作者： F. Szigeti J. Bokor A. Edelmayer Department of Control Engineering Faculty of Engineering University of Los Andes Mérida A.p. 11 La Hechicera Venezuela Systems and Control Laboratory Computer and Automation Research Institute Hungarian Academy of Sciences Budapest Kende u. 13–17 H-1111 Hungary

关键词： Fault detection and isolation Input observability Input reconstruction Inverse system Linear and non-linear systems

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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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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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A simulator to analyze creeping locomotion of a snake-like robot

A simulator to analyze creeping locomotion of a snake-like r...

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IEEE International Conference on Robotics and automation (ICRA)

作者： Shugen Ma W.J. Li Yuechao Wang Robotics Laboratory CAS Shenyang Institute of Automation Shenyang China Department of Systems Engineeringineering Faculty of Engineering Ibaraki University Hitachi Ibaraki Japan Department of Automation/Computer-Aided Engineering Chinese University of Hong Kong Sha Tin Hong Kong China

ISBN: (纸本)0780365763

Snakes perform many kinds of movement that are adaptable to the environment. Utilizing the snake (its forms and motion) as a model to develop a snake-like robot that emulates a snakes' function is important for generating a new type of locomotor and expanding the possible use of robots. We developed a simulator to simulate the creeping locomotion of a snake-like robot, in which the robot dynamics is modeled and its interaction with the environment is considered through Coulomb friction. This simulator makes it possible to analyze the creeping locomotion with the normal-direction slip coupled to gliding along the tangential direction. Through the developed simulator, we investigated the snake-like robot creeping locomotion which is generated only by swinging each of the joints from side to side, and discussed the optimal creeping locomotion of the snake-like robot that is adaptable to a given environment.

关键词： Analytical models Robots Robotics and automation Friction Computational modeling systems engineering and theory Content addressable storage Tracking Ice National electric code

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On simulation based analysis and synthesis of hierarchical network sturctures 6

On simulation based analysis and synthesis of hierarchical n...

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6th European Control Conference, ECC 2001

作者： Tanevska, Dijana J. Dimirovski, Georgi M. Stankovski, Mile J. Jing, Yuanwei Makedonski Telekomunikacii AD Orce Nikolov Str. b.b. SkopjeMK-91000 Macedonia Inst. of Automation and Systems Engg. Faculty of Electrical Engg. SS Cyril and Methodius University SkopjeMK-1000 Macedonia Department of Computer Engg. Faculty of Engineering DOGUS University Kadikoy-IstanbulTR-81010 Turkey Dept. of Automatic Control and Control Eng. School of Information Science and Engineering Northeastern University Shenyang Liaoning110006 China

ISBN: (纸本)9783952417362

Analysis of complex systems such as hierarchically structured network systems that are employed in modelling and analysis various aspects and issues of control and management in telecommunications is investigated. Theory of graphs and binary matrices appear to be most suitable tools for modelling the overall structure of complex systems, in general, and of systemic hierarchies, in particular. A systematic methodology has been developed for computer simulation analysis and detecting general hierarchies in communications networking as well as for synthesis of system hierarchies. This methodology is an improved extension of Warfield's technique. © 2001 EUCA.

关键词： Discrete event simulation

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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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Technology Transfer to Developing Countries via Education: A Course on Air Traffic Control

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IFAC Proceedings Volumes 2001年第3期34卷 265-270页

作者： Georgi M. Dimirovski DOĞUŞ University Faculty of Engineering Department of Computer Engg. Zeamet Sk. 21 Acibadem - Kadikoy TR-81010 Istanbul Republic of Turkey Fax #: + 90-216-327-9631 Saints CYRIL and METHODIUS University Faculty of Electrical Engg. Automation and Systems Engg Institute Karpos 2 b.b. MK-I000 Skopje Republic of Macedonia Technical Faculty Department of Traffic Engineering MK-6000 Bitola Republic of Macedonia

This paper presents a novel development of a syllabus on Air Traffic Control tailored especially to meet the needs of a small developing country like Republic of Macedonia. It has been designed in two versions, one for the undergraduate studies in Traffic Engineering at Technical faculty in Bitola and another for graduate studies in automation & systems Engineering at faculty of Electrical Engineering in Skopje. The main feature of the undergraduate course is that it has been adjusted to students who have only two one-semester courses in basic and advanced control, and in basic and advanced computing. The main feature of the of the graduate course is that it is designed to students who have had extensive education and training in both control and computing, and also three one-semester courses in electronics, one in signal processing and two in basic telecommunications during their undergraduate education an training.

关键词： Air traffic control automation computing control curriculum syllabus development

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