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Motor Noise Tracking Method Based on EMD-KR-FP
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Shuang Feng, Qi Xu, Yuanqing Luo, Changzheng Chen
Automobile Technology | 2023, (12) : 35 - 39
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Automobile Technology | 2023, (12): 35-39
Motor Noise Tracking Method Based on EMD-KR-FP
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Shuang Feng, Qi Xu, Yuanqing Luo, Changzheng Chen
Affiliations
  • Shenyang University of Technology, Shenyang 110870
Published: 2023-12-24 doi: 10.19620/j.cnki.1000-3703.20230008
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A motor noise tracking method based on Empirical Mode Decomposition spectral Kurtosis Reconstruction Find Peaks (EMD-KR-FP) was proposed to track the noise of brushless DC motor. Firstly, the characteristic frequencies of radial electromagnetic force, torque ripple and resonance induced electromagnetic noise were obtained by theoretical calculation. The characteristic frequency set was defined, the time-domain signal of motor noise was decomposed by Empirical Mode Decomposition (EMD) method. Then, according to the spectral Kurtosis theory, the Intrinsic Mode Function (IMF) component was screened for signal reconstruction, the reconstructed signal was processed by Fourier transform. Peak location algorithm was used to extract the peak frequency of several peaks with the largest contribution on the spectrum and compare with the frequency of characteristic frequency set, so as to determine the cause of electromagnetic noise of the motor. Test results show that this method is effective and reduces the workload of traditional order analysis method.

Brushless DC motor  /  EMD-KR-FP  /  Noise tracing source
Shuang Feng, Qi Xu, Yuanqing Luo, Changzheng Chen. Motor Noise Tracking Method Based on EMD-KR-FP[J]. Automobile Technology, 2023 , (12) : 35 -39 . DOI: 10.19620/j.cnki.1000-3703.20230008
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doi: 10.19620/j.cnki.1000-3703.20230008
  • Online Date：2025-12-07
  • Published：2023-12-24
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  • Revised：2023-01-04
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    Shenyang University of Technology, Shenyang 110870
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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