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Intelligent Manufacturing Systems: Intelligent Protocols for Communication Within FMS

IFAC Proceedings Volumes 2001年第17期34卷 261-267页

作者： Dimirovski G.M. A.T. Dinibütün D.J. Tanevska A. Okatan S. Akyokus DOGUS University Dept. of Computer Engineering Faculty of Engineering Acibadem - Kadikoy TR-81010 Istanbul Turkey FAX: +90-216/327-9631. SS Cyril & Methodius University Inst of Automation & Systems Engineering Faculty of Electrical Engineering MK-1000 Skopje Rep. of Macedonia Makedonski Telekomunikacii AD Orce Nikolov Str. B.B. MK-1000 Skopje Rep. of Macedonia

In this paper recent results on intelligent communication protocols (ICP) tailored for applications within flexible manufacturing systems (FMS) are presented. These have been derived on the grounds of the concept of ICP emulation by using the technique of object oriented modelling and emulation programming. The resulting ICP have been tested through their application in parallel simulation of complex medium size FMS. Developed models have been derived using three alternatives: math-analytical queue, adequate Petri-net, and appropriate object-oriented models. Some of simulations results obtained illustrate this novel development in ICPs for FMSs. Copyright ©2001 IFAC

关键词： Flexible manufacturing systems Information flow Intelligent communication protocols Object oriented modeling Petri nets

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Integrated volt/VAr control in distribution systems

Integrated volt/VAr control in distribution systems

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IEEE Winter Meeting Power engineering Society

作者： V. Borozan M.E. Baran D. Novosel Faculty of Electrical Engineering University Sv. Kiril i Metodij Skopje Skopje Macedonia Department of Electrical and Computer Engineering North Carolina State University Raleigh NC USA ABB Automation Inc. Wickliffe OH USA

ISBN: (纸本)0780366727

The paper proposes new supervisory control schemes for integrated volt/VAr control at distribution substations and feeders. The new supervisory controller located at the substation coordinates the control of local regulating devices based on dynamically changing system conditions rather than local measurements. The supervisory scheme uses the measurements and communications between field devices in order to provide the coordination. Three different versions of this control scheme have been developed in order to accommodate for the varying amount of measurement and communication that may be available on a given system. Test results indicate that the new schemes better coordinate the control actions of the voltage regulator and capacitor banks and thus provide a more effective volt/VAr control.

关键词： Reactive power Control systems Communication system control Substations Voltage control Supervisory control Coordinate measuring machines Testing Regulators Capacitors

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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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Protected Area Systems and Project Management in Protected Area Systems

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IFAC Proceedings Volumes 2001年第3期34卷 195-202页

作者： Richard Clarke Georgi Dimirovski University of London School of Social and Natural Sciences Centre for European Protected Area Research 26 Russell Square London WC1B 5DQ United Kingdom FAX#: +44-171-631-6688 DOGUS University Faculty of Engineering Department of Computer Engineering Acibadem Kadikoy TR-81010 Istanbul Republic of Turkey FAX#: +90-216-327-9631 SS Cyril and Methodius University Faculty of Electrical Engineering Institute of Automation & Systems Engineering Karpos 2 BB MK-1000 Skopje Republic of Macedonia

Applications of information technology and systems engineering in the management of protected areas range from simple 'off the shelf project management and work scheduling software, to complex bespoke distributed management systems in which project management is just one element of an integrated IT system encompassing virtually every function (including administration and finance) of a large organisation. The Countryside Management System is a relatively successful system conceived 'bottom up' as a modest experiment by site managers to solve their immediate problems of project control but has significant limitations. The National Trust's Property Management and Information System in the UK is, by contrast, the most ambitious attempt to date of any conservation organisation to computerise its activities and was abandoned prior to full implementation. It seems likely to be some time before the full potential of information technologies such as Geographical Information Systems can be harnessed to the management of protected sites and landscapes, yet it is a promising prospect.

关键词： Countryside management systems ecosystems management protected areas project planning control & recording

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A Lorentz-group based adaptive control for electro-mechanical systems

A Lorentz-group based adaptive control for electro-mechanica...

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Proceedings 2001 IEEE/RSJ International Conference on Intelligent Robots and Systems. Expanding the Societal Role of Robotics in the the Next Millennium (Cat. No.01CH37180)

作者： J.K. Tar I.J. Rudas K. Jezernik J.F. Bito S.J. Torvinen Institute of Mathematical and Computational Sciences Budapest Polytechnic Budapest Hungary Centre of Robotics and Automation Budapest Polytechnic Hungary Faculty of Electrical Engineering and Computer Science Institute of Robotics University of Maribor Maribor Slovenia Dept. of Mechanical Eng. Institute of Production Engineering Tampere University of Technology Tampere Finland

An efficient approach for the adaptive control of approximately and partially known mechanical systems, like traditional soft computing, uses "uniform structures" for modeling, but these structures are obtained from certain Lie groups as the symplectic group or the generalized Lorentz group. This approach considerably reduces the number of free parameters in the model. Until now its efficiency was investigated for mechanical uncertainties and external dynamic interactions. In this paper the behavior of the electric drives are also included in the investigations. A 1-DOF mechanical system, a pendulum driven by a DC motor in a computed torque control, is investigated via simulation. The necessary torque is calculated from a formal primitive mechanical model and an adaptivity rule. For adaptivity real number scaling and the generalized Lorentz group elements are used. It is concluded that a single adaptive loop can compensate for the mechanical and the electrical uncertainties simultaneously.

关键词： Adaptive control Mechanical systems Uncertainty Convergence Robotics and automation DC motors Robots computer science Production engineering Neural networks

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Fuzzy Adaptive Output Tracking Control of a Class of Composite Systems

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IFAC Proceedings Volumes 2001年第3期34卷 81-84页

作者： Bin Liu Yuanwei Jing Siying Zhang G.M. Dimirovski T.D. Kolemishevska Inst. of Control Science School of Information Science & Engg. Northeastern University Po. Box 321 Shenyang Liaoning 110006 P R. of China Department of Computer Engineering Faculty of Engineering DOGUS University Acibadem Kadikoy TR-81000 Istanbul Rep. of Turkey FAX#: + 90-216-327-9631 Inst.of Automation & Systems Engg. Faculty of EE SS Cyril #x0026 Methodius University Karpos 2 b.b. MK-91000 Skopje Rep. of Macedonia

In this paper the output-tracking problem of a class of composite nonlinear systems is studied. Composite system can be represented solely by models on the grounds of its inputs and measurable outputs. It is assumed that (i) the plant system belongs to aclass of composite non linear systems, and that the fuzzy logic control system applied can efficiently use adjustable parameters to approximate its non linear system function. The new theorem guarantees the synthesized indirect fuzzy adaptive control does ensure stable output tracking and possesses the ability to reduce the number of fuzzy rules.

关键词： Adaptive control composite systems fuzzy control MIMO systems nonlinear systems

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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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Regularization and validation of neural network models of nonlinear systems

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e & i Elektrotechnik und Informationstechnik 2000年第1期117卷 24-31页

作者： I. Petrović M. Baotić N. Perić Faculty of Electrical Engineering and Computing Department of Control and Computer Engineering in Automation University of Zagreb Zagreb Croatia

A characteristic feature of the neural network models is the large number of parameters. A model offering many parameters usually gives rise to problems, and the variance contribution to the modeling error might be very high. Therefore, it is crucial to find the model with the optimal number of parameters. In this paper two techniques of selection of the optimal number of model parameters are described and compared: explicit and implicit regularization techniques. Model validation forms the final stage of an identification procedure with the aim of assessing objectively whether the identified model agrees sufficiently well with the observed data. In this paper the reliability of the correlation-based validation tests and the χ2-test is analyzed.

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Adaptive Neuro Controller for a Precise Maneouvring of Underwater Vehicle

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IFAC Proceedings Volumes 2000年第21期33卷 173-178页

作者： Zoran Vukić Bruno Borović Boris Tovornik Department of Control and Computer Engineering in Automation University of Zagreb Control Engineering Department Brodarski institute d.o.o. Institute of Automation University of Maribor Faculty of Electrical Engineering and Computer Science

A neuro controller for high precision manoeuvring of underwater vehicles require special attention to a number of factors including thruster and vehicle’s nonlinearities, couplings which exist between various degrees of freedom as well as effects of the sea currents. The neuro control system for underwater vehicle maneouvring described here is based on the conventional controller supported with the so called adaptive neural network.

关键词： neural networks underwater vehicle trajectory guidance

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Evaluating intelligence: a computational semiotics perspective

Evaluating intelligence: a computational semiotics perspecti...

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IEEE International Conference on Systems, Man and Cybernetics

作者： R.R. Gudwin Department of Computer Engineering and Industrial Automation Faculty of Electrical and Computer Engineering State University of Campinas Brazil

This paper discusses methods for evaluating the intelligence of intelligent systems by means of computational semiotics. Instead of looking at the system as a black box and testing its behavior, the process described focuses on architectural details of structures, organizations, processes and algorithms used in the construction of the intelligent system, evaluating the impact of using these elements in the overall intelligent behavior exhibited by the system. It proposes "insider" metrics that, coupled to "outsider" metrics, will be important for the determination of general metrics for intelligence in intelligent systems.

关键词： Computational intelligence Intelligent systems Intelligent structures Intelligent actuators System testing Algorithm design and analysis computer industry automation Application software Decision making

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