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Journal of Zhejiang University-SCIENCE A

, Volume 5, Issue 9, pp 1060–1068 | Cite as

Pneumatic active suspension system for a one-wheel car model using fuzzy reasoning and a disturbance observer

  • Yoshimura Toshio 
  • Takagi Atsushi 
Mechanical & Energy Engineering

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 the active control force is constructed 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

One-wheel car model Active suspension system Fuzzy reasoning Pneumatic actuator Disturbance observer 

Document code

CLC number

TH16 

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Copyright information

© Zhejiang University Press 2004

Authors and Affiliations

  1. 1.Department of Mechanical Engineering, Faculty of EngineeringThe University of TokushimaTokushimaJapan

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