Position Sensorless Control Based on Coordinate Transformation for Brushless DC Motor Drives

被引：48

作者：

Wu, Yuanyuan ^{[1
]}

Deng, Zhiquan ^{[1
]}

Wang, Xiaolin ^{[1
]}

Ling, Xing ^{[1
]}

Cao, Xin ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Aeropower Sci Tech Ctr, Nanjing 210016, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2010年 / 25卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Brushless dc (BLDC) motor; compensate; coordinate transform; rotor-position-detection error; sensorless; DETECTION ERROR; BLDC MOTOR; COMMUTATION;

D O I：

10.1109/TPEL.2010.2048126

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a novel method for sensorless brushless dc (BLDC) motor drives. Based on the characteristics of the back electromotive force (EMF), the rotor position signals would be constructed. It is intended to construct these signals, which make the phase difference between the constructed signals and the back EMFs controllable. Then, the rotor-position error can be compensated by controlling the phase-difference angle in real time. In this paper, the rotor-position-detection error is analyzed. Using the TMS320F2812 chip as a control core, some experiments have been carried out on the prototype, which is the surface-mounted permanent magnet BLDC motor, and the experimental results verify the analysis and demonstrate advantages of the proposed sensorless-control method.

引用

页码：2365 / 2371

页数：7

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