电动汽车及其驱动永磁电机声振特性试验  

Experimental Study on Acoustic and Vibration Characteristics of Electric Vehicle and Its Permanent Drive Motor

作　　者：相龙洋[1] 左曙光[1] 何吕昌[1] 胡佳杰[1] 张孟浩[1] 

机构地区：[1]同济大学新能源汽车工程中心上海,201804

出　　处：《振动．测试与诊断》2014年第1期90-95,192,共6页Journal of Vibration,Measurement & Diagnosis

基　　金：国家自然科学基金资助项目(51075302);教育部博士点基金资助项目(20100072110027)

摘　　要：在电动汽车整车声振特性分析的基础上进行了其驱动电机的声振特性台架试验,运用频谱分析和相干分析相结合的方法对试验数据进行分析。试验结果明确了电机振动和噪声对车内振动和噪声的贡献和电机振动噪声的主要特征频率及其引发原因,研究成果为电动汽车整车振动噪声特性优化改善提供了试验支持。Vibration and noise experiments of the electric vehicle and its driving motor are tested,and then the spectrum analysis and coherence analysis are studied for the experimental data.The results of the experiment clarify the contributions of motor vibration and noise on vehicle vibration,the main characteristic frequencies of noise and vibration are proved and the reasons are analyzed.The conclusion provides the testing support for the optimization and improvement of the vibration and noise characteristics of electric vehicles.

关 键 词：电动汽车 永磁直流无刷电机 振动噪声特性 频谱分析 

分 类 号：TM351[电气工程—电机]