BLDC Motor driver position and speed control. command through .m file

this file contains modelling of brushless dc motor based linear electro mechanical actuation system and its position control

无数直流电机无位置传感器速度控制。利用电机运行时产生的反电动势估算转子位置。(Sensorless speed control of numerous DC motors.The rotor position is estimated by the back electromotive force generated during the motor operation.)