The control of pulse quantity is mostly used for viewpoint control, interval control, position control and so on of stepper motors and servo motors. The following is an example of a stepper motor to illustrate each control method.
1. Viewpoint control of stepper motor. First of all, it is necessary to clarify the number of subdivisions of the stepper motor, and then confirm the total number of pulses required for one revolution of the stepper motor. Calculate "viewpoint percentage = set viewpoint/360° (i.e., one circle)" "viewpoint action pulses = total number of pulses in one revolution * viewpoint percentage. ”
The formula is: the number of viewpoint action pulses = the total number of pulses in one revolution * (set viewpoint/360°).
2. Interval control of stepper motor. First of all, the total number of pulses required for one revolution of the stepper motor is clear. Then confirm the diameter of the stepper motor roller and calculate the roller circumference. Calculate the interval between the runs of each pulse. Calculate the number of pulses to be run at a set interval.
The formula is: the number of pulses at the set interval = the set interval / [(roller diameter * 3.14) / the total number of pulses in one revolution]
3. The position control of the stepper motor is the induction of viewpoint control and interval control.
The above is only a brief analysis of the control method of the stepper motor, which may have income and expenditure with the actual situation, and is only for the reference of colleagues.
The action of the servo motor is the same as that of the stepper motor, but the internal electronic gear ratio of the servo motor and the reduction ratio of the servo motor should be considered.
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