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汽车半主动悬架的滑模控制及鲁棒性 被引量:4

Sliding Mode Control for Semi-active Suspension Systems and Its Robustness
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摘要 在多自由度车辆动力学模型的基础上 ,提出了基于多输入系统的滑模控制律 ,并应用于汽车半主动悬架控制系统的设计。研究了系统的时、频域响应 ,计算了响应的功率谱均方根值 ,考查了滑模控制器的稳定性和鲁棒性。仿真结果表明 :多输入系统滑模控制器性能稳定 ,对模型参数的改变 ,具有良好的鲁棒性。 A sliding mode contro ller is designed for a 4-DOF vehic le dynamics model with control rul es proposed,which are used in the design of semi-active suspension s ystem of the vehicle.The responses of the vehicle in time and frequen cy domain are studied and their re sponse mean square roots are calcu lated.Simulation results show that the controller demonstrates a good stability and robustness to parame ter variations.
出处 《汽车工程》 EI CSCD 北大核心 2004年第6期678-682,共5页 Automotive Engineering
基金 国家自然科学基金重点项目 (5 10 35 0 30) 重庆大学应用基础研究项目资助。
关键词 鲁棒性 滑模控制器 多输入系统 仿真结果 频域 响应 多自由度 半主动悬架 汽车 车辆动力学 Semi-active suspension, Sliding mode control,Robustness
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参考文献9

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