Simulation of fuzzy sliding mode controller in high precise electro-hydraulic system

Jun Xia Meng; Yu Wang; Xi Bin Wang

doi:10.3969/j.issn.1001-0548.2010.03.015

Simulation of fuzzy sliding mode controller in high precise electro-hydraulic system

Jun Xia Meng^*, Yu Wang, Xi Bin Wang

^*Corresponding author for this work

School of Mechanical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Fuzzy logic and sliding mode theory are applied to control a nonlinear, complex electro-hydraulic system with large moment of inertia of load. Fuzzy logic is used to obtain equivalent control signal after system states reaching sliding manifold. As a result, chattering caused by switching action is effectively weakened, and external disturbance is restrained also. In order to design a good fuzzy controller without professional experience, membership functions of then-part and control rules are optimized by means of genetic algorithm simultaneously. Simulation result shows the proposed controller exhibits excellent performance and satisfies control demand of the system adequately.

Original language	English
Pages (from-to)	392-396
Number of pages	5
Journal	Dianzi Keji Daxue Xuebao/Journal of the University of Electronic Science and Technology of China
Volume	39
Issue number	3
DOIs	https://doi.org/10.3969/j.issn.1001-0548.2010.03.015
Publication status	Published - May 2010

Keywords

Chattering
Electro-hydraulic system
Fuzzy sliding mode control
Genetic algorithm
Simulation

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10.3969/j.issn.1001-0548.2010.03.015

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abstract = "Fuzzy logic and sliding mode theory are applied to control a nonlinear, complex electro-hydraulic system with large moment of inertia of load. Fuzzy logic is used to obtain equivalent control signal after system states reaching sliding manifold. As a result, chattering caused by switching action is effectively weakened, and external disturbance is restrained also. In order to design a good fuzzy controller without professional experience, membership functions of then-part and control rules are optimized by means of genetic algorithm simultaneously. Simulation result shows the proposed controller exhibits excellent performance and satisfies control demand of the system adequately.",

keywords = "Chattering, Electro-hydraulic system, Fuzzy sliding mode control, Genetic algorithm, Simulation",

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AU - Meng, Jun Xia

AU - Wang, Yu

AU - Wang, Xi Bin

PY - 2010/5

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N2 - Fuzzy logic and sliding mode theory are applied to control a nonlinear, complex electro-hydraulic system with large moment of inertia of load. Fuzzy logic is used to obtain equivalent control signal after system states reaching sliding manifold. As a result, chattering caused by switching action is effectively weakened, and external disturbance is restrained also. In order to design a good fuzzy controller without professional experience, membership functions of then-part and control rules are optimized by means of genetic algorithm simultaneously. Simulation result shows the proposed controller exhibits excellent performance and satisfies control demand of the system adequately.

AB - Fuzzy logic and sliding mode theory are applied to control a nonlinear, complex electro-hydraulic system with large moment of inertia of load. Fuzzy logic is used to obtain equivalent control signal after system states reaching sliding manifold. As a result, chattering caused by switching action is effectively weakened, and external disturbance is restrained also. In order to design a good fuzzy controller without professional experience, membership functions of then-part and control rules are optimized by means of genetic algorithm simultaneously. Simulation result shows the proposed controller exhibits excellent performance and satisfies control demand of the system adequately.

KW - Chattering

KW - Electro-hydraulic system

KW - Fuzzy sliding mode control

KW - Genetic algorithm

KW - Simulation

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JF - Dianzi Keji Daxue Xuebao/Journal of the University of Electronic Science and Technology of China

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Simulation of fuzzy sliding mode controller in high precise electro-hydraulic system

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Keywords

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