G - Physics – 01 – R
Patent
G - Physics
01
R
G01R 31/34 (2006.01) G01R 31/02 (2006.01)
Patent
CA 2545695
A method for determining reliability and a remaining time before failure with statistical confidence for a motor system (402) includes acquiring historical motor data in a computer system (500), obtaining operational parameter data, uploading the operational parameter data to the computer system (500), performing failure analysis, developing a causal network, and performing an integrated causal network and reliability analysis of the motor system (402). The historical motor data corresponds to the motor system (402). The operational parameter data is obtained from sensors at the motor system (402). The sensors include a tan delta sensor. The failure analysis is performed based on a composite of reliability probability distributions corresponding to predetermined sub-populations of historical motor system (402) failure causes. The causal network is developed for modeling reliability of one or more motor system components and assessing motor system component condition based on the causal network. Results from the performing failure analysis are integrated with results from the assessing motor system component condition based on the causal network to compute a quantitative value for a time remaining before failure with an ascertained statistical confidence.
Chmiel Gary James
Flickinger Greg
House Michael Brynn
Company General Electric
Craig Wilson And Company
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