When using STM32 to subdivide and control a stepper motor, the commutation point of the motor phase current is inconsistent with the commutation point of the PWM duty cycle.

沈婷婷

When using STM32 to subdivide and control a stepper motor, the commutation point of the motor phase current is inconsistent with the commutation point of the PWM duty cycle. [Copy link]

 

林8033

沈婷婷

Lin 8033 posted on 2018-8-18 11:39

What do you think?

13450688991

can't read

沈婷婷

13450688991 Published on 2018-8-23 20:08 I don't understand

The basic principle of subdivision is that the current of the stepper motor increases according to the law of duty cycle.

刘宏志

No good idea

沈婷婷

No more

wd799716

Did you determine the reversing point using a table, or did you use the reversing point to look up the table?

huo_hu

Just look at the picture.

沈婷婷

wd799716 posted on 2020-1-3 15:13 Is your reversal point determined by the table, or is it a table that is looked up based on the reversal point?

Reversing point determined by table

freebsder

Adjusting the Lookup Table