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Bio-Design and Manufacturing  2021 Vol.4 No.4 P.426~432

10.1631/jzus.2003.0426


Signal frequency based self-tuning fuzzy controller for semi-active suspension system


Author(s):  SUN Tao, HUANG Zhen-yu, CHEN Da-yue, TANG Lei

Affiliation(s):  Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200030, China

Corresponding email(s):   suntao@sjtu.edu.cn

Key Words:  Semi-active suspension, ER damper, Frequency identification, Fuzzy controller


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SUN Tao, HUANG Zhen-yu, CHEN Da-yue, TANG Lei. Signal frequency based self-tuning fuzzy controller for semi-active suspension system[J]. Journal of Zhejiang University Science D, 2021, 4(4): 426~432.

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Abstract: 
A new kind of fuzzy control scheme, based on the identification of the signal's main frequency and the behavior of the ER damper, is proposed to control the semi-active suspension system. This method adjusts the fuzzy controller to achieve the best isolation effect by analyzing the main frequency's characters and inspecting the change of system parameters. The input of the fuzzy controller is the main frequency and the optimal damping ratio is the output. Simulation results indicated that the proposed control method is very effective in isolating the vibration.

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Reference

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[8]Yoshimura, T., Kubota, H., Takei, K., Kurimoto, M. and Hino, J., 2000. Construction of an active suspen-sion system of a quarter car model using fuzzy reasoning based on single input rule modules. Int. Journal of Ve-hicle Design, 23(3-4): 297-306.

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