摘要：建立了高转速无刷直流电机及其转速-电流双闭环控制系统的数学模型，并进行了Simulink仿真。建立了相应的转速-电流双闭环控制系统的控制系统仿真模型。该双闭环控制系统通过改变参数完成参数优化试验，同实际试验相比，节省科研经费，减少试验时间，降低了控制系统试验的难度。

关键词：直流无刷电机; 双闭环控制系统; Simulink仿真
Abstract: The math model for the BLDC motor and its speedcurrent dual closed loop control system was built, and the Simulink simulation was made.Comparing with practical experiment, the simulink simulation saves outlay, reduces experiment time, decreases difficulty of experiment.

Key words: BLDC; dual closed loop control system; Simulink simulation