A Back-EMF Based Sensorless Speed Control of Four Switch BLDC Motor Drive

被引：0
|
作者：
Reshma, K. M. [1 ]
Isha, T. B. [1 ]
机构：
[1] Amrita Vishwa Vidyapeetham, Amrita Sch Engn, Dept Elect & Elect Engn, Coimbatore, Tamil Nadu, India
来源：
2018 INTERNATIONAL CONFERENCE ON CONTROL, POWER, COMMUNICATION AND COMPUTING TECHNOLOGIES (ICCPCCT) | 2018年
关键词：
BLDC drive; four switch inverter; speed estimation; current controlled PWM; back-EMF;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The objective of this work is to create an economical drive system for a BLDC motor with lesser number of switches. In this paper, a new technique is introduced to control the speed of a Four switch Brushless DC (FSBLDC) Motor drive, by sensing the back-emf developed across the stator windings. Conventionally, the speed can be monitored by using speed encoders and are very expensive, also create noises while placing on the motor shaft. So a sensorless speed detection algorithm is developed by sensing the back-emf and the speed is calculated. Here the switching losses of the machine are abated by exciting the motor with a Four Switch Inverter with lesser number of switches. The system simulation and its results are included in this paper.
引用
收藏
页码：283 / 287
页数：5
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