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A novel rotor resistance identification method for an indirect rotor flux-orientated controlled induction machine system

Yu, X. and Dunnigan, M. and Williams, B.W. (2002) A novel rotor resistance identification method for an indirect rotor flux-orientated controlled induction machine system. IEEE Transactions on Power Electronics, 17 (3). pp. 353-364. ISSN 0885-8993

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Abstract

This paper proposes a novel rotor resistance identification method for an indirect rotor flux-orientated controlled induction machine drive. The method is effectively integrated with the intermediate current control loop of the system. A decoupled synchronous voltage control scheme is used to achieve a fast, accurate current control response and indicates the relative thermal change of the rotor resistance. A model reference adaptive control scheme is then used to track the variation of the rotor resistance. Other issues, such as the nonideal characteristics of the power devices, stator resistance variation and comparison with two other parameter identification methods, are included. This method is less complex and more effective than others, and this is supported by theoretical analysis, and verified by simulation and experimental results.