上电5秒内，学习喷油执行的关闭位置与最大位置，学习过程通过PID控制，学习后进入常规工况，加入了电源电压对喷油执行器的影响的修正MAP，采取PWM驱动控制。-Power on 5 seconds, oil injection executive closed position and maximum position self learning, learning process through the PID control, learning to conventional conditio

直流电机闭环PID反馈调速控制(PWM)——自动化工程训练-PID feedback loop DC motor speed control (PWM)- Automation Engineering Training