吉林大学学报(工学版) ›› 2012, Vol. 42 ›› Issue (增刊1): 51-56.

• 论文 • 上一篇    下一篇

车内噪声的声品质优化

谭刚平1, 王登峰1, 陈书明1, 宋继强2, 王传青]1   

  1. 1. 吉林大学 汽车仿真与控制国家重点实验室,长春 130022;
    2. 中国第一汽车集团公司 轿车股份有限公司,长春 130011
  • 收稿日期:2011-09-04 出版日期:2012-09-01 发布日期:2012-09-01
  • 通讯作者: 王登峰(1963-),男,教授,博士生导师.研究方向:汽车NVH性能分析与控制技术.E-mail:caewdf@jlu.edu.cn E-mail:caewdf@jlu.edu.cn
  • 作者简介:谭刚平(1981-),男,博士研究生.研究方向:汽车NVH性能分析与控制技术.E-mail:tangp09@mails.jlu.edu.cn
  • 基金资助:

    国家自然科学基金项目(50975119);国家科技支撑计划项目(2011BAG03B01);吉林省青年科研基金项目(201201024).

Sound quality optimization of vehicle interior noise

TAN Gang-ping1, WANG Deng-feng1, CHEN Shu-ming1, SONG Ji-qiang2, WANG Chuang-qing1   

  1. 1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
    2. FAW CAR Co., Ltd., Changchun 130011, China
  • Received:2011-09-04 Online:2012-09-01 Published:2012-09-01

摘要: 提出了一种基于正交试验的车内噪声的声品质优化方法。车内噪声被分成由ERB临界频带组合的若干子频带噪声,并且每一子频带噪声的强度有降低、保持、增强三种变化状态。根据试验设计原理进行了不同车速时车内噪声的正交试验,分析了子频带噪声对声品质的影响,并得到了优化车内噪声品质的优水平、最优组合和主次因素。通过实验,对用该声品质优化方法得到的结果进行了验证。结果表明:该声品质优化方法可用于产品的声品质优化改进,并指明了改善车内噪声品质的方向。

关键词: 车内噪声, 声品质, 最优组合, 临界频带

Abstract: An optimization method of sound quality based on orthogonal test was proposed to improve sound quality inside vehicle. The frequency range of interior noise was divided according to ERB frequency domain and was considered to be a combination of several sub-bands; meanwhile, intensity of each sub-band noise can be modified to analyze itself influence on the sound quality of original noise. Orthogonal experiments of interior noise at different speeds were conducted by using design of experiment and the role of sub-band on sound quality was analyzed, and then excellent level, optimal combination of sound quality, and primary and secondary factors can be achieved. The results, obtained by optimization method of sound quality, are validated by means of the tests. By validation, it showed that the results obtained by using the optimization method of sound quality can be used for the improvement of sound quality, which provides insight into the direction of improving the sound quality inside vehicle.

Key words: vehicle interior noise, sound quality, optimal combination, critical band

中图分类号: 

  • U467.4
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