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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2004, Vol. 5 Issue ( 9): 7-    DOI: 10.1631/jzus.2004.1060
    
Pneumatic active suspension system for a one-wheel car model using fuzzy reasoning and a disturbance observer
YOSHIMURA Toshio, TAKAGI Atsushi
Department of Mechanical Engineering, Faculty of Engineering, Tokushima University, Minamijosanjima-cho 2-1, Tokushima 770-8506, Japan
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Abstract  This paper presents the construction of a pneumatic active suspension system for a one-wheel car model using fuzzy reasoning and a disturbance observer. The one-wheel car model can be approximately described as a nonlinear two degrees of freedom system subject to excitation from a road profile. The active control is composed of fuzzy and disturbance controls, and functions by actuating a pneumatic actuator. A phase lead-lag compensator is inserted to counter the performance degradation due to the delay of the pneumatic actuator. The experimental result indicates that the proposed active suspension improves much the vibration suppression of the car model.

Key words： Mechanical,One-wheel car model      Active suspension system      Fuzzy reasoning      Pneumatic actuator      Disturbance observer     
Received: 05 July 2004     
CLC:  TH16  
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YOSHIMURA Toshio
TAKAGI Atsushi
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YOSHIMURA Toshio, TAKAGI Atsushi. Pneumatic active suspension system for a one-wheel car model using fuzzy reasoning and a disturbance observer. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2004, 5( 9): 7-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2004.1060     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2004/V5/I 9/7

[1] YOSHIMURA Toshio, TERAMURA Itaru. Active suspension control of a one-wheel car model using single input rule modules fuzzy reasoning and a disturbance observer[J]. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2005, 6( 4): 1-.