Rotor flux observer for induction motor using full-order terminal sliding-mode

Hongyu Su; Minghao Zhou; William Cai; Siwei Cheng; Hanying Gao

doi:10.1117/12.2618754

29 November 2021 Rotor flux observer for induction motor using full-order terminal sliding-mode

Hongyu Su, Minghao Zhou, William Cai, Siwei Cheng, Hanying Gao

Proceedings Volume 12080, 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021); 120801H (2021) https://doi.org/10.1117/12.2618754
Event: 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021), 2021, Nanchang, China

Abstract

This paper proposes a novel rotor flux observer design method for field-oriented control (FOC) system of the induction motor (IM). To improve the observation accuracy and the robustness to the parameter variations, the full-order terminal sliding-mode (FOTSM) is utilized in the rotor flux observer design. The stability and fast convergence of the rotor flux estimation is guaranteed. The integral-type control law reduces the chattering and ensures the output injection of the observer smooth. The simulations and experiments show the effectiveness of proposed observer design method.

Citation Download Citation

Hongyu Su, Minghao Zhou, William Cai, Siwei Cheng, and Hanying Gao "Rotor flux observer for induction motor using full-order terminal sliding-mode", Proc. SPIE 12080, 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021), 120801H (29 November 2021); https://doi.org/10.1117/12.2618754

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