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American control Conference (ACC)

作者： Sing Kiong Nguang Peng Shi S. Ding The Department of Electrical and Computer Engineering University of Auckland New Zealand School of Technology University of Glamorgan Pontypridd UK Institute for Automatic Control and Complex Systems (AKS) Faculty of Engineering University of Duisburg-Essen Duisburg Germany

This paper deals with the problem of robust fault estimation for uncertain time delay Takagi-Sugeno (TS) fuzzy models. The aim of this study is to design a delay dependent fault estimator ensuring a prescribed H infin performance level for the fault estimation error, irrespective of the uncertainties and the time delays. Sufficient conditions for the existence of a robust fault estimator are given in terms of linear matrix inequalities. Membership functions'(MFs) characteristics are incorporated into the fault estimator design to reduce the conservativeness of neglecting these characteristics

关键词： Delay effects Delay estimation Nonlinear systems Fuzzy systems Fault detection Robustness Uncertainty Estimation error Sufficient conditions Linear matrix inequalities

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Output feedback/feedforward control of discrete linear repetitive processes for performance and disturbance rejection

Output feedback/feedforward control of discrete linear repet...

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American control Conference (ACC)

作者： B. Sulikowski K. Galkowski E. Rogers D.H. Owens A. Kummert Institute of Control and Computation Engineering University of Zielona Gora Zielona Gora Poland School of Electronics and Computer Science University of Southampton Southampton UK Department of Automatic Control and Systems Engineering University of Sheffield Sheffield UK Faculty of Electrical Information and Media Engineering University of Wuppertal Wuppertal Germany

Repetitive processes propagate information in two independent directions and are of both systems theoretic and applications interest. They cannot be controlled by direct extension of existing techniques from either standard (termed ID here) or 2D systems theory. Here we give new results on the design of physically based feedforward/feedback control laws to achieve desired performance and disturbance decoupling in the sense defined in the body of the paper. The new results are for the case when only output (as opposed to state) information is used to activate the control law

关键词： Output feedback Linear feedback control systems control systems Optimal control Process control Linear systems Stability Feedback control Algorithm design and analysis Iterative algorithms

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PUSHER REHEATING FURNACE control: A FUZZY-NEURAL MODEL PREDICTIVE STRATEGY

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IFAC Proceedings Volumes 2006年第19期39卷 165-170页

作者： Z.A. Icev M.J. Stankovski T.D. Kolemishevska J. Zhao G.M. Dimirovski SS Cyril and Methodius University Faculty of Electrical Engineering ASE Institute P.O.B. 574 MK-1000 Skopje Republic of Macedonia Northeastern University College of Information Science and Engineering Institute of Control Theory Shenyang Liaoning 110004 P.R. of China Dogus University Faculty of Engineering Computer Engineering Department Acibadem Zeamet Sk. 21 Kadikoy TR-34722 Istanbul Republic of Turkey

A design of fuzzy model-based predictive control for industrial furnaces has been derived and applied to the model of three-zone 25 MW RZS pusher furnace at Skopje Steelworks. The fuzzy-neural variant of Takagi-Sugeno fuzzy model, as an adaptive neuro-fuzzy implementation, is employed as a predictor in a predictive controller. In order to build the predictive controller the adaptation of the fuzzy model using dynamic process information is carried out. Optimization procedure employing a simplified gradient technique is used to calculate predictions of the future control actions.

关键词： Fuzzy-neural models fuzzy model predictive control optimization setpoint control time-delay processes

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Switched Fuzzy Systems: Representation Modelling, Stability Analysis, and control Design

Switched Fuzzy Systems: Representation Modelling, Stability ...

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International IEEE Conference on Intelligent Systems, IS

作者： Hong Yang Georgi M. Dimirovski Jun Zhao Control Science Institute of the School of Information Science and Engineering Northeastern University Shenyang Liaoning China ASE Institute of the Faculty of Electrical Engineering Saints Cyril and Methodius University슠of슠Skopje Skopje Macedonia Computer Eng. Department of the Faculty of Engineering Dogus University Kadikoy Istanbul Turkey

Stability issues for switched systems whose subsystems are all fuzzy systems, either continuous-time or discrete-time, are studied and new results derived. Innovated representation models for switched fuzzy systems are proposed. The single Lyapunov function method has been adopted to study the stability of this class of switched fuzzy systems. Sufficient conditions for quadratic asymptotic stability are presented and stabilizing switching laws of the state-dependent form are designed. The elaborated illustrative examples and the respective simulation experiments demonstrate the effectiveness of the proposed method

关键词： Fuzzy systems Stability analysis control design Fuzzy control Switched systems Lyapunov method Sufficient conditions Asymptotic stability control system synthesis Intelligent systems

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Fuzzy-AHP method for measuring Intellectual Capital in Iran insurance industry

Fuzzy-AHP method for measuring Intellectual Capital in Iran ...

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IEEE International Conference on Management of Innovation and Technology, ICMIT

作者： Adel Moslehi Ali Mohaghar Kambiz Badie Caro Lucas University of Tehran Tehran Tehran IR Management Faculty Department of Industrial Management University of Tehran Iran Info Society Department Iran Telecom Research Center Iran Center of Excellence for Control and Intelligent Processing Department of Electrical and Computer Engineering University of Tehran Iran

Intellectual capital and knowledge management literature is prolific relates to the importance of measuring intellectual capital but a few of the retrieved literature address the pragmatic application of these management philosophies within companies in real world. This paper explains a proposed method to measuring intellectual capital as a main source of sustainable competitive advantages for most companies especially in service sectors. Based on our research in measurement phases managers should decide about choosing the most appropriate indicators. We use fuzzy-AHP method to find these indicators in Iran insurance industry. Although the application of such model in other industries and in other countries can be arguable, to measuring IC in each industry in each country the application of proposed method seems useful

关键词： Knowledge management Insurance engineering management Integrated circuit modeling Phase measurement Electric variables measurement Communication industry computer industry Industrial control Process control

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Italian-Croatian Remote Laboratory Distributed on Geographical Network

Italian-Croatian Remote Laboratory Distributed on Geographic...

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International Conference on Software, Telecommunications and computer Networks (SoftCOM)

作者： Mladen Borsic Drago Cmuk Pasquale Daponte Claudio De Capua Domenico Grimaldi Tomislav Kilic Tarik Mutapcic Maria Riccio Faculty of Electrical Engineering and Computing Zagreb Croatia Department of Engineering University of Sannio Benevento Italy Dipartimento Informatica Matematica Elettronica e Trasporti University E2809CMediterraneaE2809D Reggio Calabria Italy Department of Electronics Computer and System Science University of Calabria Rende Cosenza Italy Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture University of Split FESB Split Croatia Tarmel d. o. o Zagreb Croatia Didagroup S.p.A. San Giorgio del Sannio Italy

The paper presents the e-learning project and the work until now developed for extending the features of the Italian remote laboratory "G. Savastano" to the academic circles of East Europe, Western Balkan and Mediterranean area. In particular, in the framework of the project "Italian-Croatian remote laboratory distributed on geographic network", the Italian-Croatian collaboration is highlighted. The proposed approach follows EU efforts to implement internal lifelong learning program and influence educational systems of EU partners and neighbor Countries while helping them to overcome problems with their own educational systems and lack of resources. Developed experiments, included in the remote laboratory, give the possibility of achieving practical experience on several fields, while multilingual approach gives the access to such facility to the students coming from different countries. Moreover, the idea of interactively controlled transfer of knowledge and experience offers new opportunities to the remote experiments enabling them to be executed without supervising necessity

关键词： Remote laboratories Educational programs Education Europe Internet Electronic learning Vocational training Instruments Collaborative software computer networks

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Remote Didactic Laboratory "G. Savastano": the Italian Experience for the E-learning at the Technical Universities in the Field of the electrical and Electronic Measurements, Overview on Didactic Experiments

Remote Didactic Laboratory "G. Savastano": the Italian Exper...

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IEEE Instrumentation and Measurement Technology Conference

作者： G. Andria A. Baccigalupi M. Borsic P. Carbone P. Daponte C. De Capua A. Ferrero D. Grimaldi A. Liccardo N. Locci A. M. L. Lanzolla D. Macii C. Muscas L. Peretto D. Petri S. Rapuano M. Riccio S. Salicone F. Stefani DIASS Polytechnic of Bari Taranto Italy Department of Computer Science University Federico II Naples Italy Faculty of Electrical Engineering and Computing Zagreb Croatia DIEI University of Perugia Perugia Italy Department of Engineering University of Sannio Italy Department of Computer Science and Electrical Technology University E2809CMediterraneaE2809E of Reggio Calabria Reggio Calabria Italy Department of Electrical Engineering Politecnico di Milano Milan Italy DEIS University of Calabria Rende Italy DIEL University Federico II Naples Italy DIEE University of Cagliari Italy DIT University of Trento Italy Department of Electrical Engineering University of Bologna Bologna Italy Didagroup S.p.A. Italy

The Remote Didactic Laboratory Laboratorio Didattico Remoto - ***. "G. Savastano" is the e-learning measurement laboratory supported by the Italian Ministry of Education and University. It involves about twenty Italian universities and provides the students of electric and electronic measurement courses with the access to remote measurement laboratories delivering different didactic activities related to measurement experiments. In order to demonstrate the versatility for didactic use, the overview of same experiments is given. The didactic experiments summarized in the paper concern with: measurement characterization of instruments and communication systems, measurement devices for remote laboratory, basic electrical measurements, magnetic measurements, electromagnetic interferences measurements, and signal processing for measurement applications

关键词： Electronic learning Educational institutions Electric variables measurement Electromagnetic measurements Magnetic field measurement Instruments Remote laboratories Magnetic variables measurement Electromagnetic devices Electromagnetic interference

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Delay-dependent stability of 2D state-delayed linear systems

Delay-dependent stability of 2D state-delayed linear systems

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IEEE International Symposium on Circuits and Systems (ISCAS)

作者： W. Paszke J. Lam K. Galkowski Shengyuan Xu E. Rogers A. Kummert Institute of Control and Computation Engineering University of Zielona Góra Zielona Gora Poland Department of Mechanical Engineering University of Hong Kong Hong Kong China Department of Automation Nanjing University of Science and Technology of PLA Nanjing China Faculty of Electrical Information and Media Engineering University of Wuppertal Wuppertal Germany School of Electronics and Computer Science University of Southampton Southampton UK

This paper addresses the problem of stability for two-dimensional systems with delays in the state. To solve this problem, the Lyapunov second method is used. The resulting condition is written in terms of linear matrix inequalities and it is dependent on the size of delays. This fact allows us to reduce the conservatism in the stability analysis of two-dimensional systems with state delays. A simulation example is given to illustrate the theoretical developments

关键词： Stability Linear systems Delay systems Symmetric matrices control systems Linear matrix inequalities Delay lines Automatic control control engineering computing Mechanical engineering

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Experimental investigations of a direct adaptive neurofuzzy controller

Experimental investigations of a direct adaptive neurofuzzy ...

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2005 IEEE International Conference on control Applications, CCA

作者： Nyarko, Emmanuel K. Perić, Nedjeljko Petrović, Ivan Department of Automation and Process Control Faculty of Electrical Engineering University of Osijek 31000 Osijek Croatia Department of Control and Computer Engineering in Automation Faculty of Electrical Engineering and Computing University of Zagreb 10000 Zagreb Croatia

ISBN: (纸本)0780393538

The control of dynamical systems with inherent non-linear characteristics has motivated research in non-linear control theory. Two main approaches to dealing with uncertainties in control systems design are adaptive and robust control. In this paper, discrete direct adaptive control of unknown non-linear SISO systems is considered. The controller is implemented using a fuzzy neural network. The control concept is tested on a laboratory pilot plant and compared to a standard discrete FED Takahashi controller. © 2005 IEEE.

关键词： Adaptive control systems

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Route search method by normalized cost

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Systems and computers in Japan 2005年第14期36卷 11-20页

作者： Saitoh, Takeshi Kaneko, Toyohisa Department of Information and Computer Sciences Toyohashi University of Technology Toyohashi 441-8580 Japan Department of Electrical and Electronic Engineering Faculty of Engineering Tottori University Department of Electrical and Electronic Engineering Tottori University Information Processing Society of Japan Department of Information and Computer Sciences Toyohashi University of Technology Association for Computing Machinery IEEE

In this paper, we propose a method for extracting an object region from an image. First, we investigate the properties of the Intelligent Scissors (IS) method, which has been proposed as a method for extracting contours. As a result, we verify that the IS method's route search according to total cost requires multiple seed points to extract a complex contour. Next, we show that this problem can be resolved by using the route length to normalize the total cost and then minimizing the normalized cost. Based on this principle, we propose a contour extraction method based on the normalized cost, which we term the Normalized Cost (NC) method. In addition, we construct a user interface that includes the NC method and perform quantitative comparison experiments. From the experiments comparing the NC method with the IS method, we verify that the NC method can extract a region faster and with fewer seed points than the IS method. We use these results to show the effectiveness of the proposed technique. © 2005 Wiley Periodicals, Inc.

关键词： Image processing

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