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基于EHA的新型车辆半主动悬架系统研究

Research on a Novel Semi-active Suspension System Based on EHA
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摘要 采用一种新颖的可控减振技术,提出了基于电液作动器(EHA)的半主动悬架系统。介绍了基于EHA半主动悬架系统的工作原理,建立了1/4车辆模型和路面输入模型,设计了用于EHA半主动悬架系统的天、地棚混合控制算法,最后运用Matlab/Simulink对半主动悬架系统进行仿真分析。仿真结果表明:在随机路面激励下,混合控制能兼顾汽车行驶的平顺性和操纵稳定性,有效地提高了汽车的性能。 A novel vibration damping control technique was introduced into vehicle semi-active suspension system based on EHA. The principles of the semi-active systems based on EHA were introduced both a quarter vehicle model and road input model were built, and a hybrid control strategy of sky-hook control and ground-hook control was designed for the semi-active system. The semi-active system was simulated by the software Matlab/Simulink. The result illustrates, excited by random road input, using the hybrid control strategy can improve handling and stability of vehicles, make the performance of vehicles better.
出处 《机床与液压》 北大核心 2007年第9期163-164,167,共3页 Machine Tool & Hydraulics
关键词 电液作动器(EHA) 半主动悬架 混合控制 EHA Semi-active suspension Hybrid control
作者简介 赵宁(1958-),男,汉族,广州人,西北工业大学教授,博士生导师,主要研究方向机械(汽车)动力学及其控制、优化设计、有限元分析、CAD/CAE/数字仿真及其一体化技术等。电话:029—88460507,029—88460507。E-mail:zhaon@nwpu.edu.cn。 罗辉辉(1981-),男,汉族,湖南邵阳人,西北工业大学硕士研究生,主要研究方向为车辆电控悬架、计算机控制与仿真等。电话:13468725351。E-mail:kyo97hui@nwpu.edu.cn。 方宗德(1948-),男,汉族,上海人,西北工业大学教授,博士生导师,主要研究方向为智能汽车、系统动力学等。
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