Rotor resistance estimator design for indirect field-oriented induction motors

Jianhui Zhao; Zhong Wu

doi:10.1117/12.718226

30 October 2006 Rotor resistance estimator design for indirect field-oriented induction motors

Jianhui Zhao, Zhong Wu

Proceedings Volume 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation; 63584C (2006) https://doi.org/10.1117/12.718226
Event: Sixth International Symposium on Instrumentation and Control Technology, 2006, Beijing, China

Abstract

Exact information of the rotor resistance is the key to realize high-performance indirect field-oriented control of the induction motors. However, rotor resistance is time-varying when the motor works. Therefore, a new estimator of the rotor resistance is designed for the indirect field-oriented induction motors to attenuate the effect of the rotor resistance uncertainty. This estimator is derived from the steady-state procedure of the rotor flux using Lyapunov stability theory. Furthermore, this estimator is shown to be able to minimize the steady-state error the rotor flux and improve the control performance of the induction motor drive effectively. Compared with the previous studies, this estimator has a simple form and is easy to implement. Simulation results of a certain IFOC induction motor indicate that the estimator presented above is feasible.

Citation Download Citation

Jianhui Zhao and Zhong Wu "Rotor resistance estimator design for indirect field-oriented induction motors", Proc. SPIE 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation, 63584C (30 October 2006); https://doi.org/10.1117/12.718226

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