Sensorless control of BLDCM based on STSMO

Heting Wen; Xiaodong Yao

doi:10.1117/12.3054414

11 December 2024 Sensorless control of BLDCM based on STSMO

Heting Wen, Xiaodong Yao

Proceedings Volume 13445, International Conference on Electronics, Electrical and Information Engineering (ICEEIE 2024); 1344507 (2024) https://doi.org/10.1117/12.3054414
Event: International Conference on Electronics. Electrical and Information Engineering (ICEEIE 2024), 2024, Haikou, China

Abstract

Brushless DC motor has high reliability and strong anti-interference ability under the addition of position sensor technology, and position sensor-less control has become one of the hot spots in the research of brushless DC motor. In this paper, the second-order super-helical sliding mode observer is designed for the shortcoming of the traditional sliding mode observer, which is easy to cause large errors in the calculation of the arctangent function, replacing the traditional arctangent function with a phase-locked loop, and replacing the traditional symbolic function with a new type of continuous function. By building a simulation model and verifying it, the method used in this article can not only reduce the impact of vibration, but also improve observation accuracy and reduce the error in observation.

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

Citation Download Citation

Heting Wen and Xiaodong Yao "Sensorless control of BLDCM based on STSMO", Proc. SPIE 13445, International Conference on Electronics, Electrical and Information Engineering (ICEEIE 2024), 1344507 (11 December 2024); https://doi.org/10.1117/12.3054414

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