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Unread 30-01-2007, 05:38
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Re: Programming Servos For AndyMark Transmission

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Originally Posted by Abwehr View Post
The servo only uses power to get to a position, not to stay there.
Our robot initializes the camera in regular drive mode but doesn't search until autonomous is activated. So, in regular drive mode, the servos have power but are told to sit still. They will fight you if you try to turn the camera mount with your hand, so it seems like they do use power to stay there. Maybe we're talking about different kinds of servos?
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Unread 30-01-2007, 08:52
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Re: Programming Servos For AndyMark Transmission

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Originally Posted by JohnC View Post
...regular drive mode, the servos have power but are told to sit still. They will fight you if you try to turn the camera mount with your hand, so it seems like they do use power to stay there.
If you force the servos out of position, they use power to try to get back to where they are being commanded. Once they get to where they want to be, they don't use (much) power.

When used to shift a gearbox, it's possible that they will be physically unable to get quite to the spot they're being told to be, so they will constantly draw power as they keep pushing against the stop. I'd want to calibrate the commanded position so it does not do this.
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