无刷直流电动机的双闭环调速系统设计

Design of Double Closed Loop Speed Regulation System of BL DC Motor

本文介绍了三相无刷直流电动机的速度、电流双闭环调速系统的设计。建立了三相无刷直流电动机(BLDC)的数学模型,给出了其双闭环调速系统的设计过程,设计了相应的速度PI调节器、电流PI调节器。该方法简单易行,便于工程应用。

The paper discusses the design of double closed loop regulation system of speed and current and establishes the mathematical model of brushless direct current motor. The design process of the double closed loop speed regulation system is proposed, and the PI controllers of speed and current is also given. The design drawing is simple and easy to be applied in engineering.