本文根據無位置傳感器無刷直流電動機的原理,采用TMS320LF2407 DSP與IR2130，
實現了對無刷直流電機的數字PID控制，并著重對電機的PWM調制方式、IR2130的應用、反電動勢過零檢測電路進行了介紹。最后簡要介紹了系統軟件設計方案。
關鍵詞：無刷直流電動機；反電勢法；無位置傳感器

Design Of Brushless DC Motor Control System Based on TMS320LF2407 DSP
FENG 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