Adaptive flying start strategy for sensorless permanent magnet synchronous motor

Tingyu Liu

doi:10.1117/12.3014749

4 March 2024 Adaptive flying start strategy for sensorless permanent magnet synchronous motor

Tingyu Liu

Proceedings Volume 12981, Ninth International Symposium on Sensors, Mechatronics, and Automation System (ISSMAS 2023); 129810G (2024) https://doi.org/10.1117/12.3014749
Event: 9th International Symposium on Sensors, Mechatronics, and Automation (ISSMAS 2023), 2023, Nanjing, China

Abstract

Flying start is one of the key technologies in the control of position sensorless permanent magnet synchronous motor (PMSM) systems. The common method is to short-circuit the motor by triggering short-circuit pulses to achieve a flying start. In this paper, we propose an adaptive adjustment of the parameters of short-circuit pulse time and short-circuit pulse interval for the difficult selection of the parameters of the short-circuit pulse time and short-circuit pulse interval. The method estimates the approximate speed of the idling motor by adding a test short circuit under the idling condition. It adaptively adjusts the parameters of short-circuit pulse time and short-circuit pulse interval according to the above speed. The method solves the problem of low estimation accuracy due to the determination of parameters of the traditional two-short-circuit current method. It significantly improves the effectiveness of the two-short-circuit current method. Simulation and experimental validation of the above method are carried out, and the results show the correctness and effectiveness of the present method

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Tingyu Liu "Adaptive flying start strategy for sensorless permanent magnet synchronous motor", Proc. SPIE 12981, Ninth International Symposium on Sensors, Mechatronics, and Automation System (ISSMAS 2023), 129810G (4 March 2024); https://doi.org/10.1117/12.3014749

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