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10th IFAC/IFORS/IMACS/IFIP Symposium on Large Scale systems: Theory and Applications, LSS 2004

作者： Gu, Jia-Chen Wan, Bai-Wu Ruan, Xiao-E Automation Research and Design Institute of Metallurgical Industry Beijing China Systems Engineering Institute State Key Laboratory for Manufacturing Systems Engineering Xi 'an Jiaotong University Xi 'an China Dept.of Electrical Engineering and Computer Science Korea Advanced Institute of Science and Technology Daejeon Korea Republic of Faculty of Science Xi'an Jiaotong University Xi'an China

The interaction balance method (IBM) with fuzzy constraints is proposed for large-scale industrial processes under hierarchical steady-state optimization with the consideration of the model-reality difference and the constraints of subprocesses being flexible. In this approach, the models that are treated as equality constraints and the inequality constraints of the subprocesses are all fuzzified. Two cases of interaction balance method are studied: the open-loop IBM and the IBM with global feedback. Simulation results show that the solutions of the proposed method with global feedback are very close to the optimal solutions of the real process. © 2004 IFAC.

关键词： Large scale systems

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The development of methods of the super weak intensity radiations measurement from physical and biological objects 10

The development of methods of the super weak intensity radia...

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10th IMEKO TC7 Symposium on Advances of Measurement Science 2004

作者： Skripnik, Yurij Sit'Ko, Sergej Shevchenko, Konstantin Yanenko, Aleksej Faculty of Automation and Computer Systems Kiev National University of Technologies and Design2 Nemirovicha-Danchenka Str.2 Kiev01010 Ukraine Scientific Research Center of Quantum Medicine Vidhuk of Ministry of Public Health of Ukraine 61-B Vladimirskaya Str. Kiev01033 Ukraine

ISBN: (纸本)9781634391887

The measurement problem of super weak noise signals intensity in super-broad frequency band, which level is much lower than power of the inherent noises of measuring equipment and the external noises is urgent in many fields. The problem of this kind arises in radio astronomy, in radio thermal and plasma radiation measurements. Over last few years the electromagnetic radiation of biological objects, include humans, have been actively studied. Diagnostics of the human body is carried out from the values of radiation parameter proceeding [1], The paper is devoted to the further development of measurement methods of super weak noise signal intensity in super-broad frequency band.

关键词： Radio astronomy

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New trend in control of steady-state large-scale systems 10

New trend in control of steady-state large-scale systems

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10th IFAC/IFORS/IMACS/IFIP Symposium on Large Scale systems: Theory and Applications, LSS 2004

作者： Wan, Bai-Wu Liu, Ding Ruan, Xiaoe Institute of Systems Engineering State Key Laboratory for Manufacturing Systems Engineering Xi'anJiaotong University China School of Automation Xi 'an University of Technology China Dept. of Electrical Engineering and Computer Science Korea Advanced Institute of Science and Technology 373-7 Guseong-dong Yuseong-gu Daejeon305-701 Korea Republic of Faculty of Science Xi 'anJiaotong University China

This paper reviews what the first Author and his Group have been investigating for the past decade in the on-line steady-state hierarchical intelligent control and optimization of large-scale industrial processes (LSIP), as well as large-scale systems (LSS). The techniques include the use of neural networks for identification and optimization, the use of expert systems to solve some kinds of hierarchical multi-objective optimization problems, the use of the fuzzy logic control and the use of the iterative learning control. In addition, several implementation examples and the product quality control for LSS are introduced. Finally the paper prospects the new stages of development. © 2004 IFAC.

关键词： Quality control

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Interaction Balance Method for Large-scale Industrial Processes With Fuzzy Constraints 1

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IFAC Proceedings Volumes 2004年第11期37卷 423-428页

作者： Jia-Chen GU Bai-Wu WAN Xiao-E RUAN Automation Research and Design Institute of Metallurgical industry Beijing P R China Systems Engineering Institute State Key Laboratory for Manufacturing Systems Engineering Xi ‘an Jiaotong University Xi'an R R China Dept.of Electrical Engineering & Computer Science Korea Advanced Institute of Science and Technology Daejeon Korea Faculty of Science Xi'an Jiaotong University Xi'an P.R.China

关键词： Fuzzy models large-scale systems coordination constraints hierarchical control

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New Trend in Control of Steady-state Large-scale systems *

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IFAC Proceedings Volumes 2004年第11期37卷 455-460页

作者： Bai-Wu WAN Ding LIU Xiaoe RUAN Institute of Systems Engineering State Key Laboratory for Manufacturing Systems Engineering Xi'an Jiaotong University P.R. China School of Automation Xi'an University of Technology P.R.China Dept. of Electrical Engineering & Computer Science Korea Advanced Institute of Science and Technology 373-7 Guseong-dong Yuseong-gu Daejeon 305-701 Korea Faculty of Science Xi'an Jiaotong University P.R.China

关键词： Large-scale systems industrial control intelligent control optimization quality control

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Model predictive control: Real-time issues and RBF-ANN implementation 3

Model predictive control: Real-time issues and RBF-ANN imple...

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3rd IFAC Workshop on Automatic systems for Building the Infrastructure in Developing Countries, DECOM-TT 2003

作者： Lokvenec, Irena I. Dimirovski, Georgi M. University SS. Cyril and Methodius Faculty of Electrical Engineering Institute of Automation and Systems Engg. SkopjeMK-1000 Macedonia Dogus University Faculty of Engineering Department of Computer Engg. Acibadem - Kadikoy IstanbulTR-34722 Turkey

Model predictive controls are control strategy in which the effect oF the control actions are evaluated many steps in the future to gain an optimal control action. According to this the number of calculations made is very big and it needs some simplifications to use it in real time control tasks. That's why some recurrent formulas will be used. The GPC was realized with ANN using gradient descent algorithm which adjust the parameters of the ANN regulator with RBF. Copyright © 2003 IFAC.

关键词： Model predictive control

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Technology transfer to developing countries and technological development for social stability

Technology transfer to developing countries and technologica...

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2003 IFAC Workshop on Technology and International Stability 2003

作者： Dimirovski, G.M. Taiha Dinibutun, A. Dogus University Faculty of Engineering Department of Computer Engineering Acibadem Zeamet Sk. No21 Kadikoy-IstanbulTR-34722 Turkey SS Cyril and Methodius University Faculty of Electrical Engineering Inst. of Automation and Systems Eng. SkopjeMK- 1000 Macedonia

This is the scond part of a easy study reports on an attempt to develope a framework and conceptual mode! of optimising development decisions in technology transfer for social stability and sustainable society development. It is grounded on Mansour's systems science approach to the contemporary society systems and of his philosophy of fairness and justice on the presumptions laid dawn by of ethics and ecumenical religious tolerance, and on Dimirovski's strucatural system model of of the interactive impact of human-centred systems in knowledge and technology transfer for development and co-operation. It is claimed that social consciousness world-wide identifies different standards and preconditions that countries of so-called West introduced insofar into tackling the issues of the globalisation have induced individual and collective anti-globalisation opposition processes, regardless the fact that process of economic and cultural globalization is a natural developmental phenomenon within contemporary societies of Mankind, The issues and problems of a fairness transfer of both knowledge and technology to less and developing countries may well be a crucial tool for enhancing the positive effects of the globalisation. Copyright © 2003 1FAC

关键词： Sustainable development

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Motion control via telecommunication networks: Random time delays and a simple stability design 3

Motion control via telecommunication networks: Random time d...

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3rd IFAC Workshop on Automatic systems for Building the Infrastructure in Developing Countries, DECOM-TT 2003

作者： Okatan, Ali Dimirovski, Georgi M. Bahcesehir University Department of Computer Engineering Faculty of Engineering Bahçeşehir IstanbulTR-34538 Turkey Doǧuş University Department of Computer Engineering Faculty of Engineering Acibadem-Zeamet Sk. No: 21 Kadiköy IstanbulTR-34722 Turkey SS Cyril and Methodius University Institute of Automation and Systems Engineering Faculty of Electrical Engineering Ruger Boskovic B.B. Karpos 2 SkopjeMK-1000 Macedonia

Motion control and navigation via telecommunications networks as well as the control of other dynamical systems recently again came in the focus by a number of authors world-wide. It has been subject to extensive investigation because of remote motion control applications, and also because of the impact of random time delays caused by telecommunication networking, e.g., Internet. The most essential phenomenon in implementing remote control via Internet networking is that of a random, rime varying pure time delay. In turn, this phenomenon gives rise to the issue of closed-loop stability which may cause control performance deterioration, and even instability brake down of such control systems. Within the limitations of using linear models of the dynamics of controlled object - remote motion control process m open-loop system, a tbrough design analysis is feasible and has been elaborated m the course of our research. In order to ensure the system stability, the maximum expected time-delay phenomenon must be observed at design stage of the control system Hence the main design conclusion is to ensure that system parameters be adjusted according to the maximum expected delay distributions always. Copyright © 2003 IFAC.

关键词： automation

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Composite systems control by combined math-analytical and FS/NN computing approach 3

Composite systems control by combined math-analytical and FS...

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3rd IFAC Workshop on Automatic systems for Building the Infrastructure in Developing Countries, DECOM-TT 2003

作者： Dimirovski, Georgi M. Jing, Yuan-Wei Zhao, Jun Zhang, Si-Ying Dogus University Department of Computer Engineering Faculty of Engineering Acibadem Kadiköy IstanbulTR-34722 Turkey SS Cyril and Methodius University Institute of Automation and Systems Eng Faculty of Electrical Engineering SkopjeMK-1000 Macedonia Northeastern University Institute of Control Science School of Information Science and Eng. Shenyang Liaoning China

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. Copyright © 2003 IFAC.

关键词： Fuzzy systems

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An agent-based platform for service integration in e-maintenance

An agent-based platform for service integration in e-mainten...

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IEEE International Conference on Industrial Technology (ICIT)

作者： Wei Zhang W. Halang C. Diedrich Faculty of Electrical and Computer Engineering Fern Universität Hagen Hagen Germany Department of Automation Systems Institut für Automation und Kommunikation e.V. Magdeburg (ifak) Barleben Germany

The evolution of industrial systems makes the maintenance tasks more and more important. Encouraged by the requirements of industrial companies, we provide a solution to the problems of both industrial maintenance and enterprise integration by integrating industrial systems and field devices. With agent, Web and other technologies, e-maintenance and e-enterprise are becoming possible. E-maintenance is considered as one example of e-enterprise. A dynamic system model is constructed by extracting sources and targets, goals, and maintenance processes in terms of information flow between information nodes. An agent-based platform architecture seeks to integrate industrial systems in terms of e-maintenance, e.g., data acquisition systems, expert systems and business management systems.

关键词： automation Predictive maintenance Industrial control Electrical equipment industry Enterprise resource planning computer industry Software systems Knowledge management Automatic control Control systems

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