NVH Performance Measurement and Analysis on Low-Speed Electric Vehicle

doi:10.3969 /j.issn.1674-0696.2013.02.38

Journal of Chongqing Jiaotong University(Natural Science) ›› 2013, Vol. 32 ›› Issue (2): 347-0350.DOI: 10.3969 /j.issn.1674-0696.2013.02.38

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NVH Performance Measurement and Analysis on Low-Speed Electric Vehicle

Xu Xing¹，Zuo Yanqun²

¹. Research Institute of Automotive Engineering，Jiangsu University，Zhenjiang ²¹²0¹3，Jiangsu，China;². SAIC Motor Technical Center，Shanghai ²0¹804，China

Online:2013-04-15 Published:2018-01-26

低速电动汽车NVH 性能测试与分析

徐兴¹，左燕群²

¹．江苏大学汽车工程研究院，江苏镇江²¹²0¹3; ²．上海汽车集团股份有限公司技术中心，上海²0¹804

作者简介:徐兴( 1979—) ，男，江苏海安人，讲师，博士，主要从事车辆动力学及其控制方面的研究。
基金资助:
国家“863”重大项目( 2011AA11A216 ) ; 青年科学基金项目( 51105177 ) ; 高等学校博士学科点专项科研基金项目( 20113227120015) ; 江苏大学高级专业人才科研启动基金项目( 11JDG047)

Abstract

Abstract: Good NVH performance should be guaranteed in vehicle’s development process. In order to solve the noise problem of certain vehicle prototype，the interior noise level，the vibration and acoustic characteristics of the motor，as well as reducer and differential was detected and analyzed. The main noise source in the car was identified by the use of the order tracking analysis technique. Basing on these results，the noise-reducing measurement was given accordingly.

Key words: electric vehicle( EV) , noise vibration and harshness ( NVH) , order tracking analysis

摘要： 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。

关键词: 电动汽车, NVH, 阶次跟踪分析

CLC Number:

U469.72

Xu Xing，Zuo Yanqun. NVH Performance Measurement and Analysis on Low-Speed Electric Vehicle[J]. Journal of Chongqing Jiaotong University(Natural Science), 2013, 32(2): 347-0350.

徐兴，左燕群. 低速电动汽车NVH 性能测试与分析[J]. 重庆交通大学学报（自然科学版）, 2013, 32(2): 347-0350.

References

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NVH Performance Measurement and Analysis on Low-Speed Electric Vehicle

低速电动汽车NVH 性能测试与分析

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