Subject:
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Re: motors
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 18 Jul 1999 15:45:50 GMT
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Original-From:
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Jacob Schultz <anne.jacob@getANTISPAM2net.dk>
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Reply-To:
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c948605@student.^Spamcake^dtu.dk
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Viewed:
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1433 times
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Pavel Petrovic wrote:
> I found that one of my Mindstorms motors is a bit stronger
> than the other. The robot should go forward, but slightly
> diverts right. When I exchange the motors and nothing else,
> it diverts to the left. Does anybody else have similar
> experiece? What is a normal lifetime for these motors?
That's just how mechanical parts are - all parts are slightly different.
I've used a differential between the two motors, and then measured the
position difference with a rotation sensor. In NQC I just make one of the
two motors "float" when the difference gets to big. In this way the
robots moves straight with two motors. When I want to turn, I stop the
regulator task first, and starts it afterwards - just remember to reset
the rotation sensor counter.
Jacob
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message is in Reply To:
 | | Re: motors
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| Hi, I found that one of my Mindstorms motors is a bit stronger than the other. The robot should go forward, but slightly diverts right. When I exchange the motors and nothing else, it diverts to the left. Does anybody else have similar experiece? (...) (25 years ago, 10-Jul-99, to lugnet.robotics)
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