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TECHNICAL PAPERS

Reducing the Impact of False Alarms in Induction Motor Fault Diagnosis

[+] Author and Article Information
Kyusung Kim, Alexander G. Parlos

Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123

J. Dyn. Sys., Meas., Control 125(1), 80-95 (Mar 10, 2003) (16 pages) doi:10.1115/1.1543550 History: Received April 01, 2001; Revised September 01, 2002; Online March 10, 2003
Copyright © 2003 by ASME
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References

Figures

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Signal-based and model-based fault detection and diagnosis systems
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Residual generation process in model-based fault diagnosis
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Multi-step-ahead motor current predictors
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Estimator B tested with deteriorating bearings from 2.2 kW motor; motor current spectra (top), Indicator 2: (bottom)
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Estimator B tested with broken rotor bars from 597 kW motor; motor current spectra (top), Indicator 2 (bottom)
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Estimators A and B tested with turn-to-turn stator winding shorts from 373 kW motor; negative sequence of the motor currents (top), Indicator 1 (bottom)
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Estimators A and B tested with power supply imbalance for 2.2 kW motor; Indicator 1 for Estimator A (top), Indicator 1 for Estimator B (bottom)
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Estimator B tested with power supply imbalance for 2.2 kW motor; current residual generated by balanced power supply and unbalanced power supply (top), Indicator 2 (bottom)
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Estimator A tested with motor load variation for 2.2 kW motor; Indicator 1 (top), Indicator 2 (bottom)
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Estimator B tested with motor load variation for 2.2 kW motor; Indicator 1 (top), Indicator 2 (bottom)
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Receiver operating characteristics curves for Estimators A and B

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