[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.11142/jicems.2014.3.1.1

Sensorless Control of Brushless DC Motors based on TMS320F2812

Wu, Ziyu (Institute of Electrical Engineering, Chinese Academy of sciences)
Wang, Haifeng (Institute of Electrical Engineering, Chinese Academy of sciences)

Publication Information

Journal of international Conference on Electrical Machines and Systems / v.3, no.1, 2014 , pp. 1-6 More about this Journal

Abstract

A new sensorless control strategy for brushless DC (BLDC) motors is proposed in this paper. This technique builds a rotor position-related flux function, which is independent of the speed. By observing the flux function, the information of rotor position and commutation can be obtained. As the function is not speed-related, this control process can be used in a wider range of speed and improves the motor's performance during startup. An experimental test bad based on TMS320F2812 has been built, and the experimental result indicates that the motor achieves a smooth starting-up and stable phase commutation with the proposed control strategy.

Keywords

Sensorless control; BLDC; Flux function; TMS320F2812;

Citations & Related Records

Reference

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