Subject:
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Re: Breaking
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 7 Mar 1997 22:40:51 GMT
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Original-From:
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MAR ERICSON <MAR@COOPERavoidspam.EDU>
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Viewed:
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1536 times
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I've slammed it backwards a couple of times.
-----------
ericson mar
Master of Engineering Candidate
Project: Mobile Robotics
mar@cooper.edu
Department of Mechanical Engineering
The Cooper Union for the Advancement of Science and Art
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On Thu, 6 Mar 1997, Eric Kille wrote:
> I was wondering what methods of breaking have been used with handyboard
> motors. Is it OK just to slam them in reverse for a few milliseconds ?
> Or will the large current impulse be harmful to the motor and driver chips ?
> It looks like the breaking mode of the motor driver chips, has been
> disabled with a not gate that connects pins in1 and in2. (and the
> same for in3 and in4) Would it be possible to disconnect the NOT gate
> and use a digital output to get this extra feature ? I think the 4 modes
> of the driver chips are
>
> Pin In1 In2
> -------------------------
> Neutral 0 0
> Forward 1 0
> Reverse 0 1
> Breaking 1 1
>
> Eric Kille
> Drexel University
>
>
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Message is in Reply To:
 | | Breaking
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| I was wondering what methods of breaking have been used with handyboard motors. Is it OK just to slam them in reverse for a few milliseconds ? Or will the large current impulse be harmful to the motor and driver chips ? It looks like the breaking (...) (28 years ago, 7-Mar-97, to lugnet.robotics.handyboard)
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