What is a closed loop stepper motor? What is the difference between open loop and closed loop of stepper motor?
The control method of stepping motor is generally divided into open-loop control and closed-loop control. The simplest control method of open-loop control stepper motor is the loop control system. In this control mode, the stepper motor control pulse The input does not depend on the position of the rotor. Instead, it sends its control pulses according to a fixed law. The stepper motor only works with this series of established pulses. This control method is suitable for the uniqueness of the stepper motor. For controlling the stepper motor.
What is a closed loop stepper motor?
Closed loop control is a basic concept of cybernetics. Refers to a control relationship that is returned as a controlled output to the input as a control and exerts a control influence on the input. The closed-loop control of the stepper motor uses position feedback and/or speed feedback to determine the phase shift that is compatible with the rotor position, which greatly improves the performance of the stepper motor.
In a closed-loop controlled stepper motor system, the operating speed range can be extended when tracking and feedback with a given accuracy, or the tracking and positioning accuracy can be improved at a given speed, or the limit speed index and limit can be obtained. Accuracy indicator.
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