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低速电动汽车NVH性能测试与分析

DOI: 10.3969/j.issn.1674-0696.2013.02.38, PP. 347-350

Keywords: 电动汽车,NVH,阶次跟踪分析,electricvehicle(EV),noisevibrationandharshness(NVH),ordertrackinganalysis

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Abstract:

:?在整车开发环节中,需要保证车辆具有良好的NVH性能。针对某电动汽车样车的振动噪声问题,对车内噪声水平及电机、减速器、差速器等声振特性进行测试;采用阶次跟踪分析法识别出车内主要的振动噪声源;提出了相应的减振降噪措施。

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