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

页码：283 / 287

页数：5

共 6 条

[1] HIGH-SPEED TORQUE CONTROL OF BRUSHLESS PERMANENT-MAGNET MOTORS [J].