Closed Loop Stepper Motor Control Circuit

Closed loop stepper motor design with encoder for stall detection reference design 1 1 2 closed loop control algorithm this section describes the control algorithm implemented for the closed loop stepper motor to detect a stall condition.

Closed loop stepper motor control circuit.

A closed loop step motor system combines the advantages of servo motor and stepper motor technologies. No closed loop no complicated circuit no complicated regulation needed. The closed loop control system means the output of the system depends on their input. Stepper motor systems using closed loop control represent a small percentage of stepper motor applications but if loss of position could be catastrophic to the application yet the system requires high torque at low speed relatively simple architecture and relatively low cost compared to a true servo motor system a closed loop stepper might be the most appropriate solution.

It moves exact angle independent of load torque. Functionally a closed loop stepper motor system will run much more smoothly and with less resistance than a standard stepper motor setup. Since a closed loop system provides feedback and control as well as short transient and free oscillation times the closed loop system will not lose or. Closed loop control with integrated rotary encoders ensures you won t lose steps up to maximum stepper motor torque.

1 x p series nema 17 closed loop stepper motor 72ncm 101 98oz in with encoder 1000cpr 1 x closed loop stepper driver 0 3 0a 24 48vdc for nema 11 14 17 stepper motor 1 x 1 7 m 67 long encoder extensi. This cnc kit included. Closed loop stepper motor systems. This calls for a stepper motor.

We will develop and implement our control algorithm within simulink. The system has one or more feedback loops between its output and input. Closed loop control system. Our closed loop stepper motor systems combine the advantages of stepper motor and servo systems for applications requiring high performance and high reliability at an economical price.

Now looking back at our original closed loop transfer function we can pick our control gains and to achieve the chosen closed loop pole locations where equals 5 and equals 10. Use a suitable stepper motor and a ready to buy motor controller with step dir interface.