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Parameter identification of hysteresis model with improved particle swarm optimization

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2 Author(s)
Meiying Ye ; Dept. of Phys., Zhejiang Normal Univ., Jinhua, China ; Xiaodong Wang

An improved particle swarm optimization (IPSO) algorithm combined with chaotic map is proposed to identify the parameters of hysteresis models. The performance of IPSO algorithm was compared with genetic algorithm (GA) in terms of the accuracy of identified parameter and the shape of the reconstructed hysteresis. Based on the IPSO, numerical simulation of a typical hysteresis model, Bouc-Wen model, with all the unknown parameters were carried out in order to show the effectiveness of the proposed approach. The results indicate that the higher quality solution than the GA method can be achieved by means of the proposed IPSO method. This may be attributed mostly to the fact that IPSO improve the global searching capability by escaping the local solutions.

Published in:

Control and Decision Conference, 2009. CCDC '09. Chinese

Date of Conference:

17-19 June 2009