Sequential Parameter Identification of Fractional-Order Duffing System Based on Differential Evolution Algorithm

Li Lai, Yuan-Dong Ji, Su-Chuan Zhong and Lu Zhang

Mathematical Problems in Engineering, 2017, vol. 2017, 1-13

Abstract:

Using the dynamic properties of fractional-order Duffing system, a sequential parameter identification method based on differential evolution optimization algorithm is proposed for the fractional-order Duffing system. Due to the step by step parameter identification method, the dimension of parameter identification of each step is greatly reduced and the search capability of the differential evolution algorithm has been greatly improved. The simulation results show that the proposed method has higher convergence reliability and accuracy of identification and also has high robustness in the presence of measurement noise.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:3572365

DOI: 10.1155/2017/3572365

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