无刷直流电机数学模型及其控制系统，效果良好，控制精度高-Brushless DC motor mathematical model and its control system to good effect, high precision control

使用simulink软件，对无刷直流电机建立数学模型，并进行滑模观测器估算发电动势，建立整体仿真模型进行了准确分析。-The use of Simulink software, to establish the mathematical model of the brushless DC motor, sliding mode observer to estimate the power and momentum, the whole simulation model was set up fo

该模型给出了梯形反电势换相无刷直流电机的数学模型。 电机参数的默认值是从maxon EC 45平397172 70w。(The model gives the mathematical model of the trapezoid back EMF commutation brushless DC motor. The default value of the motor parameters is from Maxon EC 45 flat 397172 70W.)