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State Estimation for Linear Switched Systems with Unknown Inputs *

IFAC Proceedings Volumes 2012年第9期45卷 271-276页

作者： H. Ríos D. Efimov J. Davila T. Raïssi L. Fridman A. Zolghadri National Autonomous University of Mexico Department of Control Division of Electrical Engineering Engineering Faculty C.P. 04510 Mexico D.F The Non-A project at INRIA - LNE Parc Scientifique de la Haute Borne 40 avenue Halley Bt.A Park Plaza 59650 Villeneuve d'Ascq France Department of Automatic Control CINVESTAV-IPN Mexico D.F. AP-14-740 on leave on National Autonomous University of Mexico Engineering Department of Control and Robotics Division of Electrical Engineering Engineering Faculty C.P. 04510 Mexico D.F University of Bordeaux IMS-Lab Automatic Control Group 351 cours de la libration 33405 Talence France National Polytechnic Institute Section of Graduate Studies and Research ESIME-UPT C.P. 07340 Mexico D.F

The continuous and discrete state estimation problem in linear switched systems with unknown inputs and unstable internal dynamics is addressed. A robust observer based on High-Order Sliding-Mode is proposed to solve ... 详细信息

关键词： Switched systems State estimation Unknown inputs Sliding-Mode

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A Tracking control Synthesis for Uncertain Delay Nonlinear Systems Based on T-S Fuzzy Model

A Tracking Control Synthesis for Uncertain Delay Nonlinear S...

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IEEE International Conference Intelligent Systems

作者： Goran Stojanovski Gorjan Nadzinski Mile Stankovski Xin-Wei Jiang Faculty of Electrical Eng. & Information Technologies Institute for ASE Karpos 2 BB SS Cyril & Methodius University Skopje MK-1000 R. of Macedonia College of Information Science and Engineering Institute of Control Theory & Navigation Technology Northeastern University Shenyang Liaoning 100006 P.R. of China

ISBN: (纸本)9781467322768

A novel robust tracking control technique for time-delay systems with uncertain time-delays based on fuzzy T-S is presented. Fuzzy T-S model with parametric uncertainties is employed to represent the uncertain timedelay plant. This control synthesis design is shown reduce the tracking error considerably for all bounded reference inputs while guaranteeing the H ~∞ performance. The proposed solution has advantage of employing only a simple fuzzy controller and no complicated adaptive scheme. The fuzzy tracking control synthesis is parameterized in terms of a linear matrix inequality, which are solved efficiently by using convex optimization techniques. This method has been applied to trailer-truck example and respective numerical and simulation results demonstrate its valid applicability and efficiency.

关键词： Fuzzy tracking control linear matrx inequalities H~∞ performance T-S fuzzy model uncertainties Delay systems tracking control reference input Plant uncertain T-S fuzzy model Fuzzy linear matrix inequalities Uncertainty synthesis Nonlinear systems Simulation results

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The navigation mobile robot systems using Bayesian approach through the virtual projection method

The navigation mobile robot systems using Bayesian approach ...

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International Conference on Advanced Mechatronic Systems (ICAMechS)

作者： Luige Vladareanu Gabriela Tont Victor Vladareanu Florentin Smarandache Lucian Capitanu Institute of Solid Mechanics Romanian Academy Head of Robotics and Mechatronics Department Bucharest Romania Faculty of Electrical Engineering and Information Technology University of Oradea Oradea Romania Faculty of Electronics Politehnica University of Bucharest Bucharest Romania Mathematics Department University of New Mexico Gallup NM USA Institute of Solid Mechanics Romanian Academy of Sciencies Bucharest Romania

The paper presents the navigation mobile walking robot systems for movement in non-stationary and non-structured environments, using a Bayesian approach of Simultaneous Localization and Mapping (SLAM) for avoiding obstacles and dynamical stability control for motion on rough terrain. By processing inertial information of force, torque, tilting and wireless sensor networks (WSN) an intelligent high level algorithm is implementing using the virtual projection method. The control system architecture for the dynamic robot walking is presented in correlation with a stochastic model of assessing system probability of unidirectional or bidirectional transition states, applying the non-homogeneous/non-stationary Markov chains. The rationality and validity of the proposed model are demonstrated via an example of quantitative assessment of states probabilities of an autonomous robot. The results show that the proposed new navigation strategy of the mobile robot using Bayesian approach walking robot control systems for going around obstacles has increased the robot's mobility and stability in workspace.

关键词： Legged locomotion Bayesian methods Wireless sensor networks information technology Computational modeling Optimization

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Wave Repetitive Process Approach to a Class of Ladder Circuits

Wave Repetitive Process Approach to a Class of Ladder Circui...

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IEEE International Symposium on Circuits and Systems

作者： Bartosz Palucki Krzysztof Galkowski Anton Kummert Blazej Cichy Institute of Physics Faculty of Physics Astronomy and Informatics Nicolaus Copernicus University Torun ul. Grudziadzka 5 87-100 Torun Poland Faculty of Electrical Information and Media Engineering University of Wuppertal Rainer-Gruenter-Strasse 21 D-42119 Wuppertal Germany Institute of Control and Computation Engineering University of Zielona Gora ul. Podgorna 50 65-246 Zielona Gora Poland

In this paper a 2D systems setting is used to develop new results on modeling and the stability analysis of electrical multi element ladder circuits from the repetitive process standpoint.

ISBN: (纸本)9781467302180

In this paper a 2D systems setting is used to develop new results on modeling and the stability analysis of electrical multi element ladder circuits from the repetitive process standpoint.

关键词： Stability analysis Vectors Circuit stability Integrated circuit modeling Active circuits Process control Approximation methods

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A Design of Discrete-time SMC for Nonlinear Systems Based on Fuzzy T-S Model

A Design of Discrete-time SMC for Nonlinear Systems Based on...

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IEEE International Conference Intelligent Systems

作者： Gorjan Nadzinski Goran Vladev Yan Zheng Faculty of Electrical Eng. & Information Technologies SS Cyril and Methodius University Karpos 2 BB MK-1000 Skopje R. Macedonia College of Information Science & Engineering Institute of Control Theory & Navigation Technology Northeastern University Shenyang Liaoning 110006 P.R. China

ISBN: (纸本)9781467322768

An innovated investigation of the control problem for nonlinear discrete-time plant systems via Takagi-Sugeno fuzzy model was carried out. Firstly, nonlinear dynamic plants are represented by such a fuzzy model, and then the overall fuzzy model of nonlinear plant is transformed into a class of uncertain linear systems. Thus the stabilization problem of nonlinear plants was mapped into equivalent robust stabilization problem of uncertain linear systems with mismatched uncertainties. The robust stabilization of such uncertain systems is achieved by applying discrete-time sliding mode control approach. The stable sliding surface is designed via linear matrix inequalities to reduce the influence of mismatched uncertainties while also a sufficient condition for its existence was derived too. The synthesis design of the SMC guarantees system robust stabilization in closed loop. Chattering around the sliding surface in sliding mode control is also considerably reduced by this design. This novel technique was applied to the trailer-truck benchmark example and the essential simulation results are given to demonstrate feasibility and performance effectiveness of the proposed method.

关键词： Fuzzy T-S models nonlinear discrete-time systems sliding mode control robust control uncertainty fuzzy modeling Nonlinear systems SELECTION AND MONITORING CHASSIS Sheet molding compounds Small Magellanic Cloud Slip surfaces discrete-time Variable structure systems Linear system T-S fuzzy model uncertain systems linear matrix inequalities MISMATCH

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Pusher Reheating Furnace control Via Fuzzy-Neural Model Predictive control Synthesis

Pusher Reheating Furnace Control Via Fuzzy-Neural Model Pred...

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IEEE International Conference Intelligent Systems

作者： Goran Stojanovski Mile Stankovski Imre J. Rudas Juanwei Jing Faculty of Electrical Eng. & Information Technologies Karpos 2 SS Cyril & Methodius University Skopje MK-1000 R. of Macedonia Institute of Intelligent Engineering Systems óbuda University Bécsi út 96/B H-1034 Budapest Hungary College of Information Science and Engineering Institute of Control Theory & Navigation Technology Northeastern University Shenyang Liaoning 100006 P.R. of China

ISBN: (纸本)9781467322768

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 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 set-point control time-delay processes. fuzzy modeling Predictive controllers Model predictive control dial steel machine Industrial furnaces Reheating furnaces Optimization Procedure Predictive control Pusher furnaces Steel plants

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Wireless communication for control of manipulation systems

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Archives of control Sciences 2012年第1期22卷 29-41页

作者： Belda, Květoslav Rychnovský, Václav Píša, Pavel Department of Adaptive Systems Institute of Information Theory and Automation Academy Sciences of the Czech Republic Public non-university research institution Pod Vodárenskou věží 4 182 08 Prague 8 Czech Republic Control Engineering Department Faculty of Electrical Engineering Czech Technical University in Prague Karlovo nám. 13 121 35 Prague 2 Czech Republic

The paper deals with a novel application of the wireless data communication for a continual control of the distributed manipulation systems. The solution is intended for industrial robotic plants. A considered way of the wireless communication is based on ZigBee protocol. The protocol is tested for a real time bidirectional data communication within a manipulation system. The system consists of several moving manipulation units, several stationary auxiliary units and one control computer. The computer provides the cooperation of all units in the system in relation to the user requirements. The system is controlled by a simple feedback multi-level control realized in MATLAB - Simulink environment. The paper is focused on the realization of the boards of power electronics, transmitters, optical positional sensors, optical gates and their networking in accordance with ZigBee protocol definition. The behavior of the ZigBee is illustrated by several records from real experiments. Copyright © Silesian University of Technology, 2012.

关键词： Zigbee

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Determining biochemical reaction network structures for kinetic polynomial models with uncertain coefficients

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AIP Conference Proceedings 2012年第1期1479卷 2427-2430页

作者： Gábor Szederkényi Z. A. Tuza Katalin M. Hangos Process Control Research Group Computer and Automation Research Institute Hungarian Academy of Sciences. Kende u. 13-17 H-1111 Budapest Hungary and Faculty of Information Technology Pázm Hungary Faculty of Information Technology Pázmány Péter Catholic University Práter u. 50/a H-1083 Budapest Hungary Process Control Research Group Computer and Automation Research Institute Hungarian Academy of Sciences. Kende u. 13-17 H-1111 Budapest Hungary and Dept. of Electrical Engineering and Informatio Hungary

A numerical method is proposed in this paper for the computation of dense and sparse reaction network structures for kinetic polynomial models with uncertain parameters represented as intervals. The problem is traced ...

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Decentralized controller design: Subsystem robust stabilization approach

Decentralized controller design: Subsystem robust stabilizat...

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作者： Rosinová, D. Veselý, V. Institute of Control and Industrial Informatics Slovak University of Technology Faculty of Electrical Engineering and Information Technology Bratislava Slovakia

ISBN: (纸本)9783902661937

This paper studies decentralized control design problem for uncertain linear system. Decentralized control design procedure is proposed for static output feedback control which is based on solving robust control design problems of subsystems' size. The presented approach uses so called equivalent subsystems to consider the interactions in the local robust controller design. The resulting decentralized control scheme has been successfully tested on the linearized model of three interconnected boiler-turbine subsystems. © 2011 IFAC.

关键词： Decentralized control

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Network system engineering by controlling the chaotic signals using silicon micro ring resonator

Network system engineering by controlling the chaotic signal...

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International Conference on Computer and Communication engineering, ICCCE

作者： A. Shahidinejad A. Nikoukar I. S. Amiri M. Ranjbar A. A. Shojaei J. Ali P. P. Yupapin Faculty of Computer Science & Information Systems (FCSIS) Universiti Teknologi Malaysia (UTM) Johor Bahru Malaysia Institute of Advanced Photonics Science Nanotechnology Research Alliance Universiti Teknologi Malaysia (UTM) Johor Bahru Malaysia Faculty of Electrical Engineering Universiti Teknologi Malaysia (UTM) Johor Bahru Malaysia Centre for Artificial Intelligence and Robotics Universiti Teknologi Malaysia (UTM) Kuala Lumpur Malaysia Advanced Research Center for Photonics Faculty of Science King Mongkut's Institute of Technology Ladkrabang Bangkok Thailand

We investigate nonlinear behaviors of light known as bifurcation and chaos within a nonlinear silicon microring resonator (SMRR). The research is used to controlling SMRR's behaviors such as chaos applicable in security coding systems. The variable parameters affect the bifurcation to be happened in smaller roundtrip among total round trip of 20000 or input power. Simulated Results show that rising of the nonlinear refractive indices, coupling coefficients and radius of the SMRR leads to descending in input power and round trips wherein the bifurcation occurs. As result, bifurcation or chaos behaviors are seen at lower input power of 44 W, where the nonlinear refractive index is n 2 = 3.2×10 -20 m 2 /W. Smallest round trips of 4770 and 5720 can be seen for the R = 40 μm and k = 0.1 respectively. The controlled chaotic signals from the SMRR are passing through a polarizer beam splitter to generate quantum binary codes which are used in wireless network communication.

关键词： Bifurcation Optical ring resonators Solitons Chaotic communication Nonlinear optics

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