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2008 IEEE International Symposium on Circuits and systems (ISCAS 2008), vol.1

作者： Mitsuru Kawamoto Yujiro Inouye Kiyotaka Kohno National Institute for Advanced Industrial Science and Technology Japan Department of Electronic and Control Systems Engineering Shimane University Japan Department of Electronic Control Engineering Yonago National College of Technology Japan

Recently we develop two kinds of approaches, that is, the super-exponential method (SEM) and the eigenvector method (EVM), of which both can achieve the blind deconvolution for MIMO-IIR systems. It is shown that these methods are closely related each other. Based on this fact, we propose a new SEM incorporated with the EVM. Simulation results will be presented for showing the validity of the proposed method.

关键词： Deconvolution Industrial electronics MIMO Electrical equipment industry electronics industry Industrial control control systems systems engineering and theory control engineering Educational institutions

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On output regulation of discrete-time T-S fuzzy systems

On output regulation of discrete-time T-S fuzzy systems

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IEEE International Conference on Fuzzy systems (FUZZ-IEEE)

作者： Cailian Chen Zhengtao Ding Gang Feng Xinping Guan Control Systems Centre School of Electrical and Electronic Engineering University of Manchester Institute of Science and Technology Manchester UK Department of Manufacturing Engineering and Engineering Management City University of Hong Kong Kowloon Hong Kong China Institute of Electrical Engineering Yanshan University슠 Qinhuangdao China

The output regulation problem is discussed for a class of discrete-time T-S fuzzy systems under periodic disturbances generated form the so-called exosystems. With the assumption that the subsystem in each rule is of the controllable canonical form, the regulation equations are solvable if and only if the poles of the exosystem are different from those of the fuzzy system. By exploiting the structural information encoded in the fuzzy rules, a piecewise state feedback control law can then be constructed to achieve asymptotic rejecting and/or tracking of the unwanted disturbances or the desired trajectory.

关键词： Equations Fuzzy systems State feedback Mathematical model Trajectory Nonlinear systems Stability analysis

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Stabilization of Nonlinear systems using Weak-control-Lyapunov Functions

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IFAC Proceedings Volumes 2008年第2期41卷 6190-6195页

作者： Gou Nishida Takayuki Tsuzuki Hisakazu Nakamura Yuh Yamashita RIKEN(The Institute of Physical and Chemical Research) Bio-Mimetic Control Research Center Environment Adaptive Robotic Systems Lab. 2271-130 Anagahora Shimoshidami Moriyama-ku Nagoya Aichi 463-0003 Japan Department of Electronic and Control Systems Engineering Interdisciplinary Faculty of Science and Engineering Shimane University 1060 Nishikawatsu-cho Matsue-shi Shimane 690-8504 Japan Nara Institute of Science and Technology Systems and Control Lab. Graduate School of Information Science Takayama 8916-5 Ikoma Nara 630-0192 Japan Hokkaido University Graduate School of Information Science and Technology Division of Systems Science and Informatics Kita 13 Nishi 8 Kita-ku Sapporo 060-8628 Japan

This paper proposes a recursive method of constructing weak-control-Lyapunov functions for nonlinear systems. Lyapunov function is one of effective tools to study stability and stabilization in nonlinear system control design. However, a general way of finding Lyapunov functions has not been known yet. Our method is introduced by an explicit topological-geometric assumption for a state space manifold, called a Morse-Smale. The assumption indicates that there exists a sequence of inclusions of the manifold and its singular structures, called a weak-Lyapunov filtration. From this structure, we can construct a finite number of iterations to define weak-control-Lyapunov functions. As a result, the existence of the weak-control-Lyapunov functions can be specified by the investigation of property of manifolds.

关键词： Nonlinear systems Iterative modeling and control design

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Exquisite textiles sensors and wireless sensor network device for home health care

Exquisite textiles sensors and wireless sensor network devic...

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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)

作者： Wen-Tzeng Huang Chin-Hsing Chen Yuan-Jen Chang You-Yin Chen Jung-Lin Huang Chang Ming Yang Tzu Lin Yang Department of Computer Science and Information Engineering MingShin University of Science and Technology Taiwan Department of Management Information Systems Central Taiwan University of Science and Technology Taiwan Department of Management Information Systems 3Institute of Biomedical Engineering and Material Science Central Taiwan University of Science and Technology Taiwan Department of Electrical and Control Engineering National Chiao Tung University Taiwan Department of Electronic Engineering National Taipei University of Technology Taiwan Ming Young Biomedical Corporation Miaoli Taiwan

In this study, we propose a wearing system with four sensors, ECG (electrocardiogram), three-axis accelerometer, temperature, and tight-switch, applied for remote monitoring system in home-care. The sensors ECG, measured with wearable electrodes made of the steel textile to generate the real-time heart-rate estimator, tight-switch, made of the steel textile to check whether wearing person dresses properly, accelerometer, and temperature parameters are received via the ZigBee receiver within an exquisite belt. Since the movable textile electrodes will cause of unfixed contacts when the wearing person is in motion, making the heart-rate estimation much a sophisticated work, the tight-switch sensor and FIR (Filter Impulse Response) filter technology are applied here to get the more satisfiable heart-rate. The other two bio-sensors can detect the whether fall-down or not and normal body-temperature of this wearing person. Moreover, the ZigBee device with small size, low-power consumption, and high-reliability characteristics is designed to transmit the detected bio-information from these four sensors. Therefore, the vital system embedded with the capability of real-time heart-rate estimation and transmission makes it highly suitable for applications of remote healthcare and wellness.

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control of Formations of UAVs for Surveillance and Reconnaissance Missions

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IFAC Proceedings Volumes 2008年第2期41卷 5161-5166页

作者： T. Kopfstedt M. Mukai M. Fujita C. Ament Research and Development Diehl BGT Defence GmbH und Co. KG 88662 Ueberlingen Germany (Tel: +49-7551-892875 Department of Electrical and Electronic Systems Engineering Kyushu University Fukuoka 819-0395 Japan Department of Mechanical and Control Engineering Tokyo Institute of Technology Tokyo 152-8552 Japan System Analysis Group Technical University of Ilmenau 98693 Ilmenau Germany

This paper presents a method for control of formations of Unmanned Aerial Vehicles (UAVs) in urban environments with several obstacles. Therefore the trajectories for each UAV are planned using mixed integer quadratic programming (MIQP) to describe a minimization problem. The result of this minimization problem then characterizes a collision free trajectory for each UAV using the commanded formations to fulfil the missions. The description of the UAVs, the inter UAV collision avoidance, the collision avoidance with obstacles as well as the description of formations will be shown in detail together with some simulation results in this paper. In addition the introduction explains the fields of interest in such formations of UAVs and what kind of advantage they can bring in comparison to today's solutions. The novelty in the approach in this paper is the description of formations of UAVs used in combination with MIQP to change formations, to add additional UAVs into an existing formation and to split formations, simply by changing some parameters in the description of the formation.

关键词： Autonomous systems Description of Formation Flights Hybrid systems Optimal control Mixed Integer Quadratic Programming

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Parametric and nonparametric EEG analysis for the evaluation of EEG activity in young children with controlled epilepsy

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Computational Intelligence and Neuroscience 2008年第unknown期2008卷 1-15页

作者： Sakkalis, Vangelis Cassar, Tracey Zervakis, Michalis Camilleri, Kenneth P. Fabri, Simon G. Bigan, Cristin Karakonstantaki, Eleni Micheloyannis, Sifis Department of Electronic and Computer Engineering Technical University of Crete Chania 731 00 Greece Institute of Computer Science Foundation for Research and Technology Heraklion 71110 Greece Department of Systems and Control Engineering Faculty of Engineering University of Malta Msida MSD 2080 Malta Faculty of Engineering Ecological University of Bucharest 061341 Bucharest Romania Clinical Neurophysiology Laboratory Faculty of Medicine University of Crete Heraklion 71409 Greece

There is an important evidence of differences in the EEG frequency spectrum of control subjects as compared to epileptic subjects. In particular, the study of children presents difficulties due to the early stages of brain development and the various forms of epilepsy indications. In this study, we consider children that developed epileptic crises in the past but without any other clinical, psychological, or visible neurophysiological findings. The aim of the paper is to develop reliable techniques for testing if such controlled epilepsy induces related spectral differences in the EEG. Spectral features extracted by using nonparametric, signal representation techniques (Fourier and wavelet transform) and a parametric, signal modeling technique (ARMA) are compared and their effect on the classification of the two groups is analyzed. The subjects performed two different tasks: a control (rest) task and a relatively difficult math task. The results show that spectral features extracted by modeling the EEG signals recorded from individual channels by an ARMA model give a higher discrimination between the two subject groups for the control task, where classification scores of up to 100% were obtained with a linear discriminant classifier.

关键词： .epileptic control subjects signal representation Clinical Neurophysiology Spectral features Children with controlled

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Objective directed control using local minimisation for an autonomous underwater vehicle

Objective directed control using local minimisation for an a...

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作者： Alminde, Lars Bendtsen, Jan D. Stoustrup, Jakob Pettersen, Kristin Y. Department of Electronic Systems Section of Automation and Control Aalborg University Denmark Department of Engineering Cybernetics Norwegian University of Science and Technology Norway

ISBN: (纸本)9783902661654

This paper presents a new method for control of complex MIMO plants based on a quantised state description. The control algorithm solves a minimisation problem for a set of user defined convex control objective functions with the plant dynamics as a constraint. The solution makes use of local linear models that are effectively calculated by propagating the state on-line using a quantised state description. The method is demonstrated on a model of an autonomous underwater vehicle.

关键词： Autonomous underwater vehicles

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OBJECTIVE DIRECTED control USING LOCAL MINIMISATION FOR AN AUTONOMOUS UNDERWATER VEHICLE

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IFAC Proceedings Volumes 2007年第15期40卷 72-77页

作者： Lars Alminde Jan D. Bendtsen Jakob Stoustrup Kristin Y. Pettersen Department of Electronic Systems Section of Automation and Control Aalborg University Department of Engineering Cybernetics Norwegian University of Science and Technology

关键词： non-linear MIMO control optimisation quantised state system

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Sliding Mode control Design via Reduced Order Model Approach

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International Journal of Automation and computing 2007年第4期4卷 329-334页

作者： B.Bandyopadhyay Alemayehu G/Egziabher Abera S.Janardhanan Victor Sreeram Interdisciplinary Programme in Systems and Control Engineering Indian Institute of Technology BombayMumbai 400076India Department of Electrical Engineering Indian Institute of Technology DelhiNew Delhi 110016India School of Electrical Electronicand Computer EngineeringThe University of Western AustraliaWestern Australia 6009Australia

This paper presents a design of continuous-time sliding mode control for the higher order systems via reduced order model. It is shown that a continuous-time sliding mode control designed for the reduced order model gives similar performance for thc higher order system. The method is illustrated by numerical examples. The paper also introduces a technique for design of a sliding surface such that the system satisfies a cost-optimality condition when on the sliding surface.

关键词： Sliding mode control order reduction reduced order model higher order system optimal control.

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The Mimo Predictive Pid controller Design

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Asian Journal of control 2008年第4期4卷

作者： M.H. Moradi M.R. Katebi M.A. Johnson Department of Electronic and Electrical Engineering University of Strath-clyde Glasgow GI 1QE UK. Dr. Moradi is a Lecturer in the Department of Electronic and Electrical Engineering University of Bu-Ali Sina in Iran. He obtained the BSc and MSc in 1991 and 1993 from the Sharif University of Technology and Tarbiat Modarres University respectively. Dr. Moradi joined the Bu-Ali Sina University in 1993. In 2002 he obtained his PhD degree from the University of Strath-clyde Glasgow Scotland. His theoretical research interests include predictive PID control advanced classical control generalised predictive control system identification and fault monitoring robust control design computer networks and more recently control through networks. His industrial interests are in the areas of large-scale systems especially power systems and power plant modelling and control supervisory control and process control. Dr. Moradi has published a number of Journal and Conference papers. Dr. Katebi is a senior lecturer in the Department of Electronic and Electrical Engineering University of Strathclyde. His theoretical research interests are currently focused on Non-linear Control and Filtering for Complex Systems Autonomous Control Design System integration and Fault monitoring and Reconfiguration Plant Monitoring through the Internet Discrete Event Simulation Process Optimisation and Robust Control Design. The industrial research interests are in the area of Hot and Rolling for Steel and Aluminium Power Plant Modelling and Control Marine Control Systems Process Control and Wastewater Treatment Control. Dr Katebi is the author/co-author of four books and more than 150 papers and industrial reports. Professor Johnson's academic education began at Coventry University (1969) and continued under the supervision of Professor Greyham Bryant in the field of Control Systems at Imperial College London. He obtained the DIC MSc and PhD from Imperial College leaving for industry in 1978. Subsequent experience was in the

This paper is concerned with the design of Multi-Inputs and Multi-Outputs (MIMO) predictive PID controllers, which have similar performance to that obtainable from model-based predictive controllers. A new PID control structure is defined which incorporates the prediction of future outputs and uses future set point. A method is proposed to calculate the optimal values of the PID gains from generalised predictive control results. A decentralized version of the predictive PID controllers is presented and the stability of the closed loop system is studied. Simulation studies demonstrate the superior performance of the proposed controller compared with a conventional PID controller. The results are also compared with generalised predictive control solutions.

关键词： PID control design predictive PID MIMO controller optimisation

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