• CN: 11-2187/TH
  • ISSN: 0577-6686

›› 2002, Vol. 38 ›› Issue (12): 21-24.

• Article • Previous Articles     Next Articles

VOFB CONTROL OF NONLINEAR VIBRATION FOR ACTIVE SUSPENSION

Qiao Yu;Wang Hongli;Zhu Zhiwen;Wang Jiang   

  1. Tianjin University
  • Published:2002-12-15

Abstract: A new robust adaptive control algorithm—VOFB (Variable-structure-control output feedback backstepping) control law applied to automobile active suspension is proposed. The stability is proved and simulated. A nonlinear filter is introduced which simplifies the control law design. An output-feedback state observer is designed. The analysis of VSC (Variable structure control) is introduced in Backstepping controller design. The robustness to system disturbance is gained.

Key words: Active suspension VOFB, Backstepping, Robustness, Continuous Timoshenko beam theory, Non-linear transient rotor-dynamics, Fan blade out

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