Direct control of torque over the motor speed range is provided by the drive, which helps the motor and drive generate torque levels high enough to cycle the press back to ready position.
直接控制扭矩而不是电机转速范围，可以使得电机和变频器产生足够高的扭矩使得压机可以回复到原来的位置。
2
Most often this is in some kind of valve, but it might also be a belt of motor speed, louver position, and so on.
最常见的是由某种阀来完成，但这也可能是一条皮带，或者是马达速度、口径位置等等。
3
According to the problem of position of DC torque motor, an new fuzzy control way was put forward.