225 A new active vibration isolation control method based on CMAC neural network(General Session III) :

NDLデジタルコレクション
  • ZHANG,Lei
    Office No.303, School of Automation Science and Electrical Engineering, Beihang University
  • LIU,Yongguang
    Office No.303, School of Automation Science and Electrical Engineering, Beihang University
  • FU,Yongling
    Office No.303, School of Automation Science and Electrical Engineering, Beihang University

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説明

Considering the nonlinearities in active vibration isolation system and the deficiencies of generally used control methods, a novel adaptive neuro-control method is proposed. In this control structure, the CMAC neural network is adopted as controller, and an improved Simultaneous Perturbation Algorithm(SPA), which is proven a stochastic gradient approximation method, is presented to update controller weights without modelling the secondary path. The performance of the control system is verified by numerical simulation, and simulation results show that the proposed method has good isolation performance for system with some nonlinearities.

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