Bearing damage detection via wavelet packet decomposition of the stator current
Bearing faults are one of the major causes of motor failures. The bearing defects induce vibration, resulting in the modulation of the stator current. In this paper, the stator current is analyzed via wavelet packet decomposition to detect bearing defects. The proposed method enables the analysis of...
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| Veröffentlicht in: | IEEE transactions on instrumentation and measurement 2004-04, Vol.53 (2), p.431-436 |
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| container_title | IEEE transactions on instrumentation and measurement |
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| creator | Eren, L. Devaney, M.J. |
| description | Bearing faults are one of the major causes of motor failures. The bearing defects induce vibration, resulting in the modulation of the stator current. In this paper, the stator current is analyzed via wavelet packet decomposition to detect bearing defects. The proposed method enables the analysis of frequency bands that can accommodate the rotational speed dependence of the bearing defect frequencies. The wavelet packet decomposition also provides a better treatment of nonstationary stator current than currently used Fourier techniques. |
| doi_str_mv | 10.1109/TIM.2004.823323 |
| format | Article |
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The bearing defects induce vibration, resulting in the modulation of the stator current. In this paper, the stator current is analyzed via wavelet packet decomposition to detect bearing defects. The proposed method enables the analysis of frequency bands that can accommodate the rotational speed dependence of the bearing defect frequencies. The wavelet packet decomposition also provides a better treatment of nonstationary stator current than currently used Fourier techniques.</description><identifier>ISSN: 0018-9456</identifier><identifier>EISSN: 1557-9662</identifier><identifier>DOI: 10.1109/TIM.2004.823323</identifier><identifier>CODEN: IEIMAO</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Discrete wavelet transforms ; Fault detection ; Frequency ; Geometry ; Induction motors ; Signal analysis ; Stators ; Steady-state ; Wavelet analysis ; Wavelet packets</subject><ispartof>IEEE transactions on instrumentation and measurement, 2004-04, Vol.53 (2), p.431-436</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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The bearing defects induce vibration, resulting in the modulation of the stator current. In this paper, the stator current is analyzed via wavelet packet decomposition to detect bearing defects. The proposed method enables the analysis of frequency bands that can accommodate the rotational speed dependence of the bearing defect frequencies. The wavelet packet decomposition also provides a better treatment of nonstationary stator current than currently used Fourier techniques.</description><subject>Discrete wavelet transforms</subject><subject>Fault detection</subject><subject>Frequency</subject><subject>Geometry</subject><subject>Induction motors</subject><subject>Signal analysis</subject><subject>Stators</subject><subject>Steady-state</subject><subject>Wavelet analysis</subject><subject>Wavelet packets</subject><issn>0018-9456</issn><issn>1557-9662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0UtPAjEUBeDGaCKiaxduJi7cDfQxfS2V-CDBsMF1Uzq3OAhTbAvGf-8gJiZuXJ3Nd25ycxC6JHhACNbD2fh5QDGuBooyRtkR6hHOZamFoMeohzFRpa64OEVnKS0xxlJUsoemd2Bj0y6K2q7tAooaMrjchLbYNbb4sDtYQS421r11UYML601IzTcIvsivUKRsc4iF28YIbT5HJ96uElz8ZB-9PNzPRk_lZPo4Ht1OSldxnkugc6trphzlTnIN1tdYEYt9Leu5ZiCp0NQzLISXyoGYE8G9ENYzJ6q55ayPbg53NzG8byFls26Sg9XKthC2yVBNqcYE_w8VUVIQ0sHrP3AZtrHtnjBKVQRXWqsODQ_IxZBSBG82sVnb-GkINvsZTDeD2c9gDjN0jatDowGAX01VpSRnX43kg6g</recordid><startdate>20040401</startdate><enddate>20040401</enddate><creator>Eren, L.</creator><creator>Devaney, M.J.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| ispartof | IEEE transactions on instrumentation and measurement, 2004-04, Vol.53 (2), p.431-436 |
| issn | 0018-9456 1557-9662 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Discrete wavelet transforms Fault detection Frequency Geometry Induction motors Signal analysis Stators Steady-state Wavelet analysis Wavelet packets |
| title | Bearing damage detection via wavelet packet decomposition of the stator current |
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