OALib Journal期刊
多轴重型货车悬架系统改进天棚控制策略
, PP. 16-22
Keywords: 多轴重型货车 ,悬架 ,改进天棚控制 ,道路友好性 ,平顺性
Abstract:
为同时改善车辆的道路友好性和平顺性，达到缓解驾驶疲劳、延长道路使用寿命的目的，提出一种基于正交试验的多轴重型货车悬架系统改进天棚控制策略。依据车辆动力学原理和虚拟样机技术，采用ADAMS构建四轴重型货车〖CD*2〗路面系统的高精度仿真模型，通过实车平顺性试验验证其正确性；选择合理匹配的空气悬架替换驱动轴平衡悬架，完成车辆道路友好性、平顺性的初步优化；基于ADAMS/Matlab联合仿真对四轴重型货车虚拟样机的悬架系统分别进行半主动、主动改进天棚控制，并以控制参数为变量设计正交试验，通过极差、方差分析确定使车辆道路友好性、平顺性综合最优的控制参数。仿真结果表明，主动、半主动改进天棚控制的货车道路友好性相当，前者的平顺性优于后者，而且该控制策略对路面等级的变化具有较强的鲁棒性。
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