Quote:
Originally Posted by adciv
Provided your torque requirements aren't too high, and you're using a motor which can handle it, you can implement a brake in software. Short version, you can use a PID to maintain the position of the motor using a holding current. We've done this before using CIMs and Bag motors. This does require a sensor.
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... and if you're clever enough with the software, you can use the friction in the system to help hold the load when stationary.