本文根据无位置传感器无刷直流电动机的原理,采用TMS320LF2407 DSP与IR2130,实现了对无刷直流电机的数字PID控制,并着重对电机的PWM调制方式、IR2130的应用、反电动势过零检测电路进行了介绍。最后简要介绍了系统软件设计方案。关键词:无刷直流电动机;反电势法;无位置传感器Design Of Brushless DC Motor Control System Based on TMS320LF2407 DSPFENG Tao1, WANG Ya-ling2 (1. Department of Electric Engineering, Shijiazhuang Institute of Railway, Shijiazhuang 050043, China; 2. Shijiazhuang Law and Commerce Colledge, Shijiazhuang 050091, China) Abstract:According to the fundamental principle of Brushless DC Motor without rotor position sensors , the paper adapt TMS320LF2407 DSP and IR2130 to realize the numerically PID control of Brushless DC Motor.The paper introduce the PWM modulation method, the use of IR2130 and the circuit for detecting Back EMF zero-crossings .In the end, the paper introduce the design method of system software briefly.Keywords:brushless DC moto;back-EMF method;Position sensorless control
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