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半挂汽车列车转弯制动稳定性模糊控制

, PP. 147-152

Keywords: 汽车工程,半挂汽车列车,Trucksim,Simulink,联合仿真,转弯制动,模糊控制

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Abstract:

针对半挂汽车列车转弯制动时易发生折叠等危险工况的现象,采用Trucksim和Simulink联合仿真的方法,建立了半挂汽车列车转弯制动的动力学模型,并利用实车道路试验数据验证了模型的准确性。设计了半挂汽车列车转弯制动稳定性的控制器和模糊控制策略,并选择高、中、低三种附着系数路面对模糊控制策略和传统逻辑门限控制策略的效果进行了对比分析。结果表明半挂汽车列车在三种附着系数路面上转弯制动时,模糊控制比逻辑门限控制在车辆制动稳定性能上有所改善,可有效地缩短制动距离和预防折叠现象的发生。

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