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极限工况下汽车稳定性的最优保性能控制

, PP. 38-41

Keywords: 汽车,稳定性,参数不确定性,横摆力矩控制

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Abstract:

考虑轮胎侧偏刚度参数的不确定性,建立了用于控制器设计的线性参数不确定性车辆模型。在分析现有的汽车操纵稳定性控制策略特点的基础上,提出了二次最优保性能汽车稳定性控制方案;基于模型跟踪控制技术和参数不确定性车辆模型推导了汽车稳定性二次最优保性能控制器。仿真结果表明,与传统二次最优控制相比,最优保性能控制方案在保证系统稳定性和鲁棒性的同时可以获得更小的质心侧偏角和更好的横摆响应。

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