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车辆主动悬架自适应LQG控制策略研究

闫光辉 关志伟 杜峰 刘臣富

闫光辉, 关志伟, 杜峰, 刘臣富. 车辆主动悬架自适应LQG控制策略研究[J]. 机械科学与技术, 2014, 33(3): 432-437.
引用本文: 闫光辉, 关志伟, 杜峰, 刘臣富. 车辆主动悬架自适应LQG控制策略研究[J]. 机械科学与技术, 2014, 33(3): 432-437.
Yan Guanghui, Guan Zhiwei, Du Feng, Liu Chenfu. Study on the Control Strategy of Adaptive LQG for Active Suspension Vehicle[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(3): 432-437.
Citation: Yan Guanghui, Guan Zhiwei, Du Feng, Liu Chenfu. Study on the Control Strategy of Adaptive LQG for Active Suspension Vehicle[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(3): 432-437.

车辆主动悬架自适应LQG控制策略研究

基金项目: 

天津市自然科学基金项目(12JCZDJC34500)资助

详细信息
    作者简介:

    闫光辉(1980-),讲师,博士研究生,研究方向为汽车系统动力学及控制,yanguanghuiygh@sina.com

Study on the Control Strategy of Adaptive LQG for Active Suspension Vehicle

  • 摘要: 针对车辆主动悬架的结构原理,建立了其动力学模型。在分析车辆主动悬架状态方程具有时变性的基础上,提出了自适应LQG主动悬架控制策略,通过自适应控制模型能够实现对车辆悬架时变参数和扰动输入参数的辨识。结合LQG控制性能指标函数,在确立簧载质量垂直加速度、悬架动行程和轮胎动行程的加权系数后,通过采用扩展自回归滑动平均模型进行悬架时变参数辨识,实现了主动悬架的自适应LQG控制。仿真结果表明自适应LQG控制策略优于LQG控制,较好地改善了车辆的平顺性。
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出版历程
  • 收稿日期:  2012-09-19
  • 刊出日期:  2015-06-10

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