NDLI: Online stator and rotor fault diagnosis in induction machines by H∞ observer and sliding mode estimator

Content Provider	IEEE Xplore Digital Library
Author	Nohra, C.
Copyright Year	2013
Abstract	This paper proposes an innovative fault-diagnosis system for an Asynchronous machine. Stator and rotor faults are identified and analyzed such as inter turn faults resulting in the shorting of one or more circuits of stator phase winding, broken rotor bars. The model used is the one developed by [13]. The proposed strategy consists in developing an observer based on $H_{∞}$ Control theory followed by a sliding mode estimator. The performance index, the parameter that permit to differentiate between faults and disturbances or noise, for the $H_{∞}$ observer followed by the sliding mode estimator is the amplitude and the frequency. Simulations with a nonlinear Machine model were carried out which demonstrated the effectiveness of the proposed algorithm. Moreover, the robustness properties of the used H observer and the sliding estimator exhibited significant rejection of disturbances and noise-effects attenuation which make the proposed strategy adequately close to the conditions of the real physical system.
Sponsorship	IEEE Control Syst. Soc.
Starting Page	3269
Ending Page	3274
File Size	2018897
Page Count	6
File Format	PDF
ISBN	9781467355339
e-ISBN	9781467355346
DOI	10.1109/CCDC.2013.6561511
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Asynchronous machine model Windings Rotors Stator windings Inter turn short circuits Observers Fault Detection and Isolation Vectors rotor broken bars fault Circuit faults H-Infinity Optimization sliding mode estimator
Content Type	Text
Resource Type	Article

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