轮边驱动电机对电动汽车振动影响的分析与优化  

Analysis and Optimization of the Influence of Wheel Side Drive Motor on Vibration of Electric Vehicle

作　　者：高雄 Gao Xiong

机构地区：[1]福建华威钜全精工科技有限公司,福建省福州市350015

出　　处：《时代汽车》2023年第5期106-108,共3页Auto Time

基　　金：国家自然科学基金国际(地区)合作与交流重点项目(61520106008);中国汽车产业创新发展联合基金重点项目(U1564213)资助。

摘　　要：本文采用频域分析方法,通过振动响应量的频率响应特性和统计特性表示。以B级路面和轮边电机作为双激励源,基于1/4汽车2自由度系统建立轮边电机驱动电动汽车的振动模型,仿真分析轮边驱动电机对电动汽车振动性能的影响。结果表明,相比非簧载质量的变化,车速的变化对电动汽车的振动影响较大。基于此提出了一种由轮内主动减振的电机充当吸振器的新型轮毂电机结构并进行了优化。This paper adopts the frequency domain analysis method,which is expressed by the frequency response characteristics and statistical characteristics of vibration response quantities.Taking Class B road surface and wheel side motor as the dual excitation source,the vibration model of wheel side motor driving electric vehicle is established based on the 1/4 automobile 2 degree of freedom system,and the influence of wheel side drive motor on the vibration performance of electric vehicle is simulated and analyzed.The results show that compared with the change of unsprang mass,the change of vehicle speed has a greater impact on the vibration of electric vehicles.Based on this,a new in-wheel motor structure in which the motor with active vibration damping in the wheel acts as the shock absorber is proposed and optimized.

关 键 词：轮边电机 振动性能 非簧载质量 1/4汽车模型 

分 类 号：U46[机械工程—车辆工程]