In one embodiment, apparatus is provided with a light source, an optic element, at least one photosensor, and a controlsystem.
在一个实施例中，一种装置设置有光源、光学元件、至少一个光电传感器、和控制系统。
2
The double close loops of speed and current control is introduced in the system and the PI control is implemented in the current and speed loop, the position of rotor pole is detected by hall element.
系统采用电流、速度双闭环控制，电流、速度的调节采用PI调节，转子磁极位置通过霍尔元件检测。
3
Cylinder is executing element of air pressure system. Proportional valve is the controlelement. A dynamic integral separated PID algorithm control press.