• CN:11-2187/TH
  • ISSN:0577-6686

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

• 论文 • 上一篇    下一篇

汽车主动悬架非线性振动的VOFB控制

乔宇;王洪礼;竺致文;王江   

  1. 天津大学机械工程学院;天津大学
  • 发布日期:2002-12-15

VOFB CONTROL OF NONLINEAR VIBRATION FOR ACTIVE SUSPENSION

Qiao Yu;Wang Hongli;Zhu Zhiwen;Wang Jiang   

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

摘要: 提出了一种应用于汽车主动悬架非线性振动主动控制的新型鲁棒自适应控制算法——VOFB算法(Variable-structure-control output feedback backstepping),并证明了稳定性, 还进行了仿真验证。引入了一个非线性滤波器,简化了设计,设计了一输出反馈观测器,最后将变结构控制的设计方法引入Backstepping控制器设计,得到了对系统扰动的鲁棒性。

关键词: Backstepping, VOFB, 鲁棒性, 汽车主动悬架, 非线性瞬态动力学, 连续体Timoshenko梁, 叶片脱落

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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