Current-mode control and intelligent commutation tuning for sensorless BDCM drive

Hung-Chi Chen; C. M. Liaw

doi:10.1109/APEC.2001.912471

Current-mode control and intelligent commutation tuning for sensorless BDCM drive

Hung-Chi Chen^*, C. M. Liaw

^*Corresponding author for this work

Institute of Electrical and Control Engineering

Research output: Contribution to conference › Paper › peer-review

1 Scopus citations

Abstract

The winding current response and the adequate commutation significantly affect the control performance of a sensorless brushless DC motor (BDCM) drive. In this paper, the studies about these two issues to enhance the performance of BDCM drive are made. First, an intelligent commutation instant tuning technique is developed to pursue better motor torque generating characteristics of BDCM. The motor drawn line current minimization is employed as the performance index in making the commutation tuning. Then, a robust current-mode controller is proposed to speed up the square wave current tracking response, and the response is rather insensitive to the machine parameter and back electromotive force (back-EMF) changes. A simple starting method and a speed estimation approach are also proposed. Some experimental results are provided to demonstrate the validity of the proposed control method.

Original language	English
Pages	872-878
Number of pages	7
DOIs	https://doi.org/10.1109/APEC.2001.912471
State	Published - 1 Jan 2001
Event	16th Annual IEEE Applied Power Electronics Conference and Exposition - Anaheim, CA, United States Duration: 4 Mar 2001 → 8 Mar 2001

Conference

Conference	16th Annual IEEE Applied Power Electronics Conference and Exposition
Country	United States
City	Anaheim, CA
Period	4/03/01 → 8/03/01

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title = "Current-mode control and intelligent commutation tuning for sensorless BDCM drive",

abstract = "The winding current response and the adequate commutation significantly affect the control performance of a sensorless brushless DC motor (BDCM) drive. In this paper, the studies about these two issues to enhance the performance of BDCM drive are made. First, an intelligent commutation instant tuning technique is developed to pursue better motor torque generating characteristics of BDCM. The motor drawn line current minimization is employed as the performance index in making the commutation tuning. Then, a robust current-mode controller is proposed to speed up the square wave current tracking response, and the response is rather insensitive to the machine parameter and back electromotive force (back-EMF) changes. A simple starting method and a speed estimation approach are also proposed. Some experimental results are provided to demonstrate the validity of the proposed control method.",

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