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车辆能量回馈式主动悬架μ综合控制

陈彦秋,  宋鹏云,  张继业,  张克跃

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文章导航 > 西南交通大学学报  > 2012 >  25(6): 974-981.
陈彦秋, 宋鹏云, 张继业, 张克跃. 车辆能量回馈式主动悬架μ综合控制[J]. 西南交通大学学报, 2012, 25(6): 974-981. doi: 10.3969/j.issn.0258-2724.2012.06.011
引用本文: 陈彦秋, 宋鹏云, 张继业, 张克跃. 车辆能量回馈式主动悬架μ综合控制[J]. 西南交通大学学报, 2012, 25(6): 974-981. doi: 10.3969/j.issn.0258-2724.2012.06.011
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CHEN Yanqiu, SONG Pengyun, ZHANG Jiye, ZHANG Keyue. μ-Synthesis Control for Self-powered Active Suspension of Vehicles[J]. Journal of Southwest Jiaotong University, 2012, 25(6): 974-981. doi: 10.3969/j.issn.0258-2724.2012.06.011
Citation: CHEN Yanqiu, SONG Pengyun, ZHANG Jiye, ZHANG Keyue. μ-Synthesis Control for Self-powered Active Suspension of Vehicles[J]. Journal of Southwest Jiaotong University, 2012, 25(6): 974-981. doi: 10.3969/j.issn.0258-2724.2012.06.011
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车辆能量回馈式主动悬架μ综合控制

doi: 10.3969/j.issn.0258-2724.2012.06.011
基金项目: 

国家自然科学基金资助项目(11172247,60974132)

详细信息
    通讯作者:

    张继业(1965-),男,教授,研究方向为动力系统的控制与稳定性分析, E-mail: jyzhang@home.swjtu.edu.cn

μ-Synthesis Control for Self-powered Active Suspension of Vehicles

    摘要
  • 摘要: 为了改善车辆能量回馈式主动悬架系统的稳定性、减振性及能量回馈性能, 建立了含参数摄动的1/4车体能量回馈式主动悬架模型并进行动力学分析, 基于μ综合方法设计了该系统的鲁棒控制器. 为验证其控制效果, 利用MATLAB/SIMULINK进行了仿真. 结果表明, 在参数摄动和路面不平顺输入的干扰下, 基于μ综合控制的车辆能量回馈式主动悬架鲁棒稳定, 闭环系统的结构奇异值峰值为0.580 9, 在给定频段内能更好地抑制车体振动,在固有频率下车体垂直振动加速度增益降低了9 dB.

     

    Abstract: In order to improve the stability, vibration isolation, and energy feedback performance of a self-powered active suspension of vehicles, a self-powered active suspension model with parametric perturbation for 1/4 car body was built, and a dynamics analysis was made using the model. Then, a robust controller was designed based on μ-synthesis approach. A simulation was conducted in the MATLAB/SIMULINK environment to verify the controller performance. The result indicates that in the condition of parameter perturbation and surface irregularity disturbance, the μ-synthesis controller designed for the self-powered active suspension system was robust and stable: the peak structured singular value of the closed-loop system with parametric uncertainty was 0.580 9. With this controller, the vibration isolation performance of the suspension system was improved, and the gain of vertical acceleration of the car body was reduced by about 9 dB at the natural frequency.

     

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    • 参考文献(17)
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出版历程
  • 收稿日期:  2012-01-11
  • 刊出日期:  2012-12-25

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