Robot does not have enough torque to overcome friction to turn motors at low PWM values

asked 2015-07-16 05:13:48 -0500

miguel gravatar image

updated 2015-07-16 12:01:11 -0500

I am currently trying to implement the differential_drive package. I simply cannot tune the parameters to get suitable control. The motors often hum instead of turn. If I use high gains (to overcome low PWM values fast enough) with the controller I get very oscillatory motion.

Has anybody faced the same problem. I desperately need help.

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