Volume 43 Issue 4
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MA Hailong, WANG Jun. Connectivity fault diagnosis method of motor and its applicatio[J]. Journal of Mine Automation, 2017, 43(4): 77-81. DOI: 10.13272/j.issn.1671-251x.2017.04.018
Citation: MA Hailong, WANG Jun. Connectivity fault diagnosis method of motor and its applicatio[J]. Journal of Mine Automation, 2017, 43(4): 77-81. DOI: 10.13272/j.issn.1671-251x.2017.04.018
shu

Connectivity fault diagnosis method of motor and its applicatio

  • 1.

    Beijing Tiandi Longyue Science and Technology Co., Ltd., Beijng 100013, China

  • 2.

    Gansu Scientific Research Institute of Security Production, Lanzhou 730000, China

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    Abstract
  • In view of problem that connectivity fault feature of motor was identified difficultly, on the basis of mathematic models and spectrum characteristic of motor connectivity faults represented by misalignment, looseness and base stiffness, empirical mode decomposition method was proposed to process vibration signal of motor. Diagnosis result is gotten according to fault feature frequency. The field application results verify effectiveness of the method.
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    WANG Jun
    • 2.

      Gansu Scientific Research Institute of Security Production, Lanzhou 730000, China

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