autotune turns to heavy vibration of motors

Questions about using encoders with the Roboclaw product line
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Basicmicro Support
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Joined: Thu Feb 26, 2015 9:45 pm
Re: autotune turns to heavy vibration of motors

Post by Basicmicro Support »

The autotuner tends to aggressive settings. If your motors are vibrating, after tuning(without restarting Ion Studio) you can use the slider under the autotune button for each motor to reduce the aggressiveness. Move the slider to the left to reduce. right to increase. Note: this only works immediately after doing an autotune. Temporary values are lost after restarting Ion Studio.

Alternatively you can manually reduce the aggressiveness by reducing the P I and D values by equal precentages. Eg if P = 4000 and I = 400 and you reduce P by 1000 you would reduce I by 100.

Another cause of pour autotuned values is significant backlass in the gear train of the motors. This can cause the autotuner to read incorrect values when it is making its measurement. In these cases you will need to manualy tune the motors. The manual gives a decent description of how to do this for both position and velocity control. If you need help manually tuning you can also call us.

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