摘 要：针对某纯电动客车在加、减速工况下的异常啸叫问题，利用阶次分析、阶次切片等方法确定异响源，提出改进方案并进行实车验证。
关键词：纯电动客车；后桥异响；阶次分析
中图分类号：U469.72；U463.218 文献标志码：A 文章编号：1006-3331(2023)05-0031-03
Analysis and Improvement of Abnormal Noise in Rear Axle of a Pure Electric Bus
WANG Ke,HUANG Jiangang,ZHANG Zhongdong,LIU Xinming,ZHANG Yuejin
Abstract: In response to the abnormal squealing problem of a pure electric bus under acceleration and deceleration conditions,this paper uses order analysis,order slicing and so on methods to determine the source of the abnormal noise,proposes an improvement plan and carries out the verification by real vehicle test.
Key words: pure electric bus;rear axle abnormal noise;order analysis
