李静轩;金智林;钱飚;

• 1:南京航空航天大学车辆工程系
• 2:南京航空航天大学机械结构力学及控制国家重点实验室

摘要(Abstract)：

为提高重型车的侧翻稳定性,建立了包含串联双腔制动阀、继动阀、ABS调节阀及制动气室的真实气压制动系统模型,分析气压制动的动力学特性,考虑制动与侧翻运动耦合,建立包含侧向运动、横摆运动、簧载质量和非簧载质量侧倾运动的重型车非线性动力学模型,提出重型车防侧翻的优化模型预测控制策略,计算侧倾角和横摆角速度误差及目标函数,得到最优气压制动踏板位移控制序列,实现了差动制动防侧翻控制。选取典型侧翻工况进行了实例分析,结果表明,提出的控制策略可弥补气压制动响应延迟的影响,提高重型车的防侧翻能力。

关键词(KeyWords)： 侧翻稳定性;气压制动动力学;非线性;模型预测控制;主动安全

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目（51775269）

作者(Authors): 李静轩;金智林;钱飚;

DOI: 10.19620/j.cnki.1000-3703.20190728

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