Sensorless Brushless DC Motor Drive Based on the Zero-Crossing Detection of Back Electromotive Force (EMF) From the Line Voltage Difference

被引：182
|
作者：
Damodharan, P. [1 ]
Vasudevan, Krishna [2 ]
机构：
[1] Indian Inst Informat Technol, Dept Elect Engn, Madras 600036, Tamil Nadu, India
[2] Indian Inst Technol, Dept Elect Engn, Madras 600036, Tamil Nadu, India
来源：
IEEE TRANSACTIONS ON ENERGY CONVERSION | 2010年 / 25卷 / 03期
关键词：
Back electromotive force (EMF) detection; brushless dc (BLDC) motor; sensorless control; zero crossing; SPEED RANGE; BLDC MOTORS; POSITION; DESIGN;
D O I：
10.1109/TEC.2010.2041781
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper describes a position sensorless operation of permanent magnet brushless direct current (BLDC) motor. The position sensorless BLDC drive proposed, in this paper, is based on detection of back electromotive force (back EMF) zero crossing from the terminal voltages. The proposed method relies on a difference of line voltages measured at the terminals of the motor. It is shown, in the paper, that this difference of line voltages provides an amplified version of an appropriate back EMF at its zero crossings. The commutation signals are obtained without the motor neutral voltage. The effectiveness of the proposed method is demonstrated through simulation and experimental results.
引用
收藏
页码：661 / 668
页数：8
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