The Electro-Hydraulic Synchronization Position Servo System Based on Self-Adapting Fuzzy Decoupling Controller

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Abstract:

For improving the control precision of electro-hydraulic synchronization position servo system, a new self-adapting fuzzy decoupling controller is designed by means of traditional decoupling controller, and this decoupling controller is used in electro-hydraulic synchronization position servo system. In this decoupling controller, PI parameters can be independently online adapted by two fuzzy controller, the influence from coupling by-pass to main-pass can be decreased by return circuit control structure, and the complex calculation process of synthesis algorithm rule can be avoided. Finally, this method was demonstrated and validated by a sample. It has shown the proposed method can improve the benefit of control precision in electro-hydraulic synchronization position servo system, and provide a support for adapting to solving dynamic error problem.

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1099-1102

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October 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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