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单轮车辆非线性悬架的最优阻尼匹配

DOI: 10.15918/j.tbit1001-0645.2015.07.008

Keywords: 非线性悬架 统计线性化 最优阻尼匹配 Simulink仿真

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Abstract:

以单轮非线性刚度、非线性阻尼的悬架为对象,进行统计线性化分析,得到二自由度各响应均方根值的计算公式. Simulink仿真验证了关系式的正确性. 车身加速度均方根值是关于等效线性阻尼的凹函数,故存在唯一的等效阻尼系数可使车身加速度均方根值达到最小. 该结果可用于非线性悬架的匹配和阻尼半主动控制策略的实现

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