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基于谱峭度与双谱的轴承故障诊断方法

郑红 周雷 杨浩

郑红, 周雷, 杨浩等 . 基于谱峭度与双谱的轴承故障诊断方法[J]. 北京航空航天大学学报, 2014, 40(9): 1176-1182. doi: 10.13700/j.bh.1001-5965.2013.0628
引用本文: 郑红, 周雷, 杨浩等 . 基于谱峭度与双谱的轴承故障诊断方法[J]. 北京航空航天大学学报, 2014, 40(9): 1176-1182. doi: 10.13700/j.bh.1001-5965.2013.0628
Zheng Hong, Zhou Lei, Yang Haoet al. Rolling element bearing fault diagnosis based on spectral kurtosis and bi-spectrum[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(9): 1176-1182. doi: 10.13700/j.bh.1001-5965.2013.0628(in Chinese)
Citation: Zheng Hong, Zhou Lei, Yang Haoet al. Rolling element bearing fault diagnosis based on spectral kurtosis and bi-spectrum[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(9): 1176-1182. doi: 10.13700/j.bh.1001-5965.2013.0628(in Chinese)

基于谱峭度与双谱的轴承故障诊断方法

doi: 10.13700/j.bh.1001-5965.2013.0628
基金项目: 航空科学基金资助项目(2012ZD51055)
详细信息
    作者简介:

    郑红(1961-),女,河北邯郸人,教授,julyanna@vip.sina.com.

  • 中图分类号: TH165.3

Rolling element bearing fault diagnosis based on spectral kurtosis and bi-spectrum

  • 摘要: 针对强背景噪声情况下的轴承故障诊断问题,提出了一种基于谱峭度与双谱的轴承故障诊断方法。该方法采用谱峭度检测振动信号瞬态频带,利用最优带通滤波器抑制振动信号中的噪声得到滤波后信号。由带通滤波器的带宽确定低频矩形区域,计算落于该区域内的信号包络的局部双谱图,依据局部双谱图诊断轴承故障。仿真分析表明,强背景噪声和滚动体滑动会造成传统轴承故障诊断方法(如峭度、功率谱、包络谱)失效,而该方法能够有效地抑制噪声,更准确地诊断轴承故障,并通过6205-2RS JEM SKF轴承诊断实例,说明了该方法的有效性。

     

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出版历程
  • 收稿日期:  2013-11-04
  • 网络出版日期:  2014-09-20

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