Quote:
Originally Posted by Oblarg
I do not think this is really the case. If you choose the wrong stepper for the job, yes, you are going to have problem with skipped steps and accumulated errors. But it is not that hard to pick a stepper with the appropriate torque for a given mechanism.
For many manipulators which require small, precise movements, I think a stepper is far easier to use than a DC motor in a closed control loop. Less complexity, fewer failure points.
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Please, walk through the selection of a stepper motor and brushed motor for an elevator for this years game. You'll see that you end up with a giant stepper motor (or you'll leave yourself vulnerable to missing counts due to friction/wind blowing/jammed tote/whatever).