高效率低成本无传感器BLDC系统的驱动原理

Introduction to Low Cost High Efficiency Sensorless Drive for Brushless DC Motor

分析了高效率低成本无传感器无刷直流电机(BLDC)速度控制系统的工作原理及系统组成 ,讨论了无传感器转子位置检测的数学模型 ,给出了应用实例。

The theory and composition of a low cost high efficiency sensorless speed control system for brushless DC(BLDC) motors is introduced.The position sensing mathematical model of sensorless BLDC rotor is discussed,and an application sample is presented.