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GENERALIZED SYNCHRONIZATION OF A CLASS OF HETEROGENEOUS DRIVE RESPONSE NETWORKS WITH TIME DELAY BASED ON variable structure control

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ADVANCES IN COMPLEX SYSTEMS 2025年第1N02期28卷

作者： Wei, Jie Chen, Zhihuan Qian, Kang Wuhan Univ Sci & Technol Engn Res Ctr Met Automat & Measurement Technol Minist Educ Wuhan 430081 Peoples R China Wuhan Univ Sci & Technol Inst Robot & Intelligent Syst Wuhan 430081 Peoples R China Wuhan Univ Sci & Technol Sch Informat Sci & Engn Wuhan 430081 Peoples R China

In this study, the problem of synchronization of heterogeneous-driven response networks is introduced by using variable structure control strategy. First, the mathematical model of the heterogeneous-driven response network is described, and the development history of variable structure control is outlined. Second, considering the coupling time delay of the heterogeneous-driven response network, two types of variable structure controls are designed based on sliding mode control and soft variable structure control theories. Finally, the effectiveness of the two variable structure controls is verified through numerical simulation experiments, and a discussion on their advantages and disadvantages is provided.

关键词： Heterogeneous-driven response networks variable structure control generalized synchronization

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variable structure control for satellite attitude stabilization in elliptic orbits using solar radiation pressure

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ACTA ASTRONAUTICA 2009年第2-3期64卷 359-373页

作者： Patel, T. R. Kumar, K. D. Behdinan, K. Ryerson Univ Dept Aerosp Engn Toronto ON M5B 2K3 Canada

The paper proposes the use of solar radiation pressure for satellite attitude control in elliptic orbits based on variable structure control. The system comprises of a satellite with two-oppositely placed solar flaps. Sliding mode control and terminal sliding mode control techniques have been adopted to develop nonlinear control laws for suitably rotating the control solar flaps to neutralize the adverse effect of eccentricity normally responsible for a considerable deterioration in the attitude control performance. The detailed numerical simulation of the governing nonlinear equation of the motion including the effects of various system parameters on the controller performance, establishes the feasibility of the proposed control strategy. The proposed controller is found to be robust against parameter uncertainties and external disturbances and thereby, the control strategy presented in the paper may be applicable to future satellite missions. (C) 2008 Published by Elsevier Ltd.

关键词： Satellite attitude control Solar radiation pressure Sliding mode control Terminal sliding mode control variable structure control Nonlinear control Elliptic orbit

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variable structure control for power systems stabilization

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INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS 2010年第2期32卷 101-107页

作者： Fernandez-Vargas, Juan Ledwich, Gerard Queensland Univ Technol Sch Engn Syst Dept Elect & Elect Syst Engn Brisbane Qld 4001 Australia

The application of variable structure control (VSC) for power systems stabilization is studied in this paper. It is the application, aspects and constraints of VSC which are of particular interest. A variable structure control methodology has been proposed for power systems stabilization. The method is implemented using thyristor controlled series compensators. A three machine power system is stabilized using a switching line control for large disturbances which becomes a sliding control as the disturbance becomes smaller. The results demonstrate the effectiveness of the methodology proposed as an useful tool to suppress the oscillations in power systems. (C) 2009 Elsevier Ltd. All rights reserved.

关键词： variable structure control Power systems stabilization Multimachine power system

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variable structure control STRATEGY TO AUTOMATIC-GENERATION control OF INTERCONNECTED REHEAT THERMAL SYSTEM

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IEE PROCEEDINGS-D control THEORY AND APPLICATIONS 1991年第6期138卷 579-585页

作者： DAS, D KOTHARI, ML KOTHARI, DP NANDA, J Indian Institute of Technology New Delhi India

The paper deals with the analysis of automatic generation control (AGC) of a two-area reheat thermal system considering a variable structure controller (VSC) based on the sliding mode concept. A systematic method is suggested for obtaining switching hyperplanes. Optimum gain settings of the variable structure controller are obtained, both in the unconstrained (neglecting generation rate) and the constrained (considering generation rate constraint) modes, using the integral squared error (ISE) technique. Investigation reveals that there is a significant improvement in system dynamic performance with a VSC over that with an integral controller. Moreover, the variable structure controller is found to be quite insensitive to wide variations of system parameters.

关键词： POWER SYSTEM control AUTOMATIC GENERATION control variable structure control

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variable structure control of electrohydraulic servo systems using fuzzy CMAC neural network

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TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND control 2003年第3期25卷 185-201页

作者： Jiang, ZM Wang, SW Lin, TQ Hong Kong Polytech Univ Dept Bldg Serv Engn Kowloon Hong Kong Peoples R China Xi An Jiao Tong Univ Dept Mechatron Engn Xian 710049 Shaanxi Peoples R China

This paper presents a novel variable structure control (VSC) scheme based on the use of fuzzy cerebellar model articulation controller (FCMAC) for the control of electrohydraulic position servo systems. FCMAC is used to develop an adaptive equivalent control law by learning the uncertainties resulting from unmodelled dynamics and external disturbances. This feature makes it possible to use a small gain of the discontinuous control while satisfying the existence condition of the sliding mode in the presence of large uncertainties. As a result, the chattering is suppressed greatly, while the merits of the traditional VSC are maintained. The actual switching function is used to update the FCMAC weights and the existence of the sliding mode is proved. The simulations and experiments on a typical electrohydraulic position servo system are conducted to verify the effectiveness and robustness of the control scheme.

关键词： adaptive equivalent control CMAC neural network electrohydraulic position servo system fuzzy logic variable structure control

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variable structure control optimized by differential evolution approach applied to continuous stirred tank reactor

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CHEMICAL ENGINEERING RESEARCH & DESIGN 2015年 100卷 248-260页

作者： Coelho, Leandro dos Santos Hultmann Ayala, Helon Vicente Rodrigues Coelho, Antonio Augusto Pontifical Catholic Univ Parana PUCPR Ind & Syst Engn Grad Program PPGEPS BR-80215901 Curitiba Parana Brazil Fed Univ Parana UFPR Dept Elect Engn BR-81531980 Curitiba Parana Brazil Univ Fed Santa Catarina Dept Automat & Syst BR-88040900 Florianopolis SC Brazil

This paper considers the control design based on self-tuning discrete variable structure control (vsq technique. A novel and systematic VSC design methodology is proposed, which integrates an estimator based on recursive least-squares algorithm, a discrete quasi-sliding surface, and an optimization method. Contrary to the trial and error tuning of the variable structure feedback gains reported in the literature, the controller parameters selection in this paper is done using an improved differential evolution (IDE) optimization approach. This paper introduces an improvement to the original differential evolution (DE) to enhance the convergence rate during the optimization cycle. Our IDE algorithm utilizes a population diversity measure to tune the mutation factor. The proposed IDE has been assessed to VSC design in order to control a continuous stirred tank reactor with nonlinear dynamic behavior. Simulation results reveal that the IDE is applicable and promising for the VSC design. Moreover, when compared to classical DE, IDE performed better in the task of VSC tuning in terms of the speed of convergence and solution quality. (C) 2015 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

关键词： Chemical process variable structure control Differential evolution Optimization Evolutionary algorithms

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variable structure control of high-speed parallel manipulator considering the mechatronics coupling model

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INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 2007年第9-10期34卷 1037-1051页

作者： Yang, Z. Y. Huang, T. Xu, X. Cooper, J. E. Univ Manchester Sch Mech Aerosp & Civil Engn Manchester M60 1QD Lancs England Tianjin Univ Sch Mech Engn Tianjin 300072 Peoples R China

In this paper, a variable structure control strategy is adopted to improve position accuracy of Diamond 600k, a 2-Dof parallel manipulator. Firstly, mechanism and servomotor dynamics are developed in terms of the virtual work principle, while the mechantronics coupling model of the manipulator is formulated according to the equivalent torque. At this stage, the mass matrix of the mechanism is calculated individually to decouple the systematic model. This can effectively reduce the computational burden of the dynamic model in the real time control process. Then, various path-planning methods are compared with each other in order to explore which of them is more suitable to the high-speed manipulator. Last, results of the relevant experiments and simulations are presented from which it is easily can be seen that in comparison to conventional PID controller, the algorithm developed in this paper provides more reliable tracking performance.

关键词： parallel manipulator variable structure control computed-torque control path planning

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variable structure control for mismatched uncertain systems using output variables with finite-time convergence

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JOURNAL OF THE CHINESE INSTITUTE OF ENGINEERS 2020年第5期43卷 467-476页

作者： Tsai, Yao-Wen Nguyen, Cong-Trang Da Yeh Univ Mech & Automat Engn Changhua Taiwan Ton Duc Thang Univ Fac Elect & Elect Engn Power Syst Optimizat Res Grp Ho Chi Minh City Vietnam

In this paper, a novel variable structure control (VSC) approach is investigated for a class of mismatched uncertain systems. The VSC approach, which includes output variables only, shows finite-time convergence of the sliding mode, complete invariance to the matched uncertainties, the asymptotic stability property, and is free of the chattering phenomenon. A suitable reduced-order observer (ROO) is constructed to estimate the unmeasured variables. Additionally, a novel finite-time sliding-mode controller (FTSMC), based on the constructed ROO and the output variables, is proposed to stabilize a class of mismatched uncertain systems. To ensure finite-time stability and chattering removal, a discontinuous FTSMC is replaced by a continuous FTSMC utilizing a tanh function. Moreover, a new linear matrix inequality (LMI) condition is derived so that the system in the sliding mode is not only completely invariant to matched uncertainties but also asymptotically stable. Finally, a numerical example is presented, which demonstrates the effectiveness and advantages of this method.

关键词： variable structure control reduced-order observer finite-time convergence mismatched uncertainty

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variable structure control with sliding sector

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AUTOMATICA 2000年第2期36卷 211-228页

作者： Furuta, K Pan, Y Tokyo Inst Technol Dept Mech & Environm Informat Meguro Ku Tokyo 152 Japan Tokyo Denki Univ Dept Syst & Comp Engn Hatoyama Saitama 3500394 Japan

A sliding sector, inside which a norm of the state decreases with zero input, is defined for both continuous- and discrete-time systems. Based on the sliding sector, continuous- and discrete-time variable structure (VS) controllers are proposed. Simulation results are given to show that the VS controllers proposed in the paper are quadratically stable and chatter free. (C) 1999 Elsevier Science Ltd. Ail rights reserved.

关键词： sliding sector variable structure control quadratic stability sliding mode continuous-time systems discrete-time system

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variable structure control with chattering elimination and guaranteed stability for a generalized T-S model

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APPLIED SOFT COMPUTING 2013年第12期13卷 4802-4812页

作者： Mohammed Al-Hadithi, Basil Javier Barragan, Antonio Manuel Andujar, Jose Jimenez, Agustin Univ Politecn Madrid CSIC Intelligent Control Grp Ctr Automat & Robot E-28040 Madrid Spain Univ Huelva Huelva Spain

In this paper, a fuzzy based variable structure control (VSC) with guaranteed stability is presented. The main objective is to obtain an improved performance of highly non-linear unstable systems. The main contribution of this work is that, firstly, new functions for chattering reduction and error convergence without sacrificing invariant properties are proposed, which is considered the main drawback of the VSC control. Secondly, the global stability of the controlled system is guaranteed. The well known weighting parameters approach, is used in this paper to optimize local and global approximation and modeling capability of T-S fuzzy model. A one link robot is chosen as a non-linear unstable system to evaluate the robustness, effectiveness and remarkable performance of optimization approach and the high accuracy obtained in approximating nonlinear systems in comparison with the original T-S model. Simulation results indicate the potential and generality of the algorithm. The application of the proposed FLC-VSC shows that both alleviation of chattering and robust performance are achieved with the proposed FLC-VSC controller. The effectiveness of the proposed controller is proven infront of disturbances and noise effects. (c) 2013 Elsevier B.V. All rights reserved.

关键词： Chattering Fuzzy systems Nonlinear systems Parameters' weighting method T-S fuzzy model variable structure control

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