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基于小波变换和聚类的BLDCM故障检测与识别

王欣 杜阳 周元钧 马齐爽

王欣, 杜阳, 周元钧, 等 . 基于小波变换和聚类的BLDCM故障检测与识别[J]. 北京航空航天大学学报, 2014, 40(10): 1436-1441. doi: 10.13700/j.bh.1001-5965.2014.0207
引用本文: 王欣, 杜阳, 周元钧, 等 . 基于小波变换和聚类的BLDCM故障检测与识别[J]. 北京航空航天大学学报, 2014, 40(10): 1436-1441. doi: 10.13700/j.bh.1001-5965.2014.0207
Wang Xin, Du Yang, Zhou Yuanjun, et al. Fault detection and identification for a dual-redundant brushless DC motor system using wavelet transform and hierarchical clustering algorithm[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(10): 1436-1441. doi: 10.13700/j.bh.1001-5965.2014.0207(in Chinese)
Citation: Wang Xin, Du Yang, Zhou Yuanjun, et al. Fault detection and identification for a dual-redundant brushless DC motor system using wavelet transform and hierarchical clustering algorithm[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(10): 1436-1441. doi: 10.13700/j.bh.1001-5965.2014.0207(in Chinese)

基于小波变换和聚类的BLDCM故障检测与识别

doi: 10.13700/j.bh.1001-5965.2014.0207
基金项目: 航空科学基金资助项目(01F51016)
详细信息
    作者简介:

    王欣(1981-),女,北京人,博士生,xinwang28@hotmail.com.

  • 中图分类号: TM921

Fault detection and identification for a dual-redundant brushless DC motor system using wavelet transform and hierarchical clustering algorithm

  • 摘要: 为了满足航空用机电作动器(EMA,Electro-Mechanical Actuator)高可靠性和大范围调速的要求,充分利用具有双通道容错结构的无刷直流电动机(BLDCM,Brushless DC Motor)系统特殊的结构和换相特点,通过分析两个通道中功率电路直流母线电流波形的突变特征,提出一种采用小波变换(WT,Wavelet Transform)与层次聚类算法(HCA,Hierarchical Clustering Algorithm)相结合的故障检测与诊断方法.并通过实际电机系统试验验证了方法的可行性与正确性.试验结果表明,这种方法对电机断相故障、逆变器功率管断路故障具有明显的检测与识别效果,而且不受转速、负载和噪声的影响.信号特征提取算法简单,故障识别方法可靠性高,无需额外设备,易于应用,具有很强的实际操作性.

     

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出版历程
  • 收稿日期:  2014-04-15
  • 网络出版日期:  2014-10-20

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