Subject:
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Re: Newbie needs Help (diff sensor)
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 6 Jun 2006 23:10:34 GMT
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Viewed:
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3680 times
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In lugnet.robotics, Mr S <szinn_the1@yahoo.com> wrote:
> Some varied thoughts here:
>
>
> > One rotation sensor and a differential will allow you to compare the rotation of
> > two wheels. If the driven wheel and the undriven wheel come in the two sides of
> > the differential, and the rotation sensor is connected to the drive ring, then
> > the rotation sensor will only rotate if the wheels are going different speeds.
> > In theory, you should be able to tell forward slip from the backward slip of
> > being pulled by the other bot. In theory. I haven't tried it.
>
> I might be wrong, but my understanding of the Lego differential gearing
> is that if both shafts are turning at the same rate and direction, the outer
> gear/shell will turn at the same rate as the axles. Only when the two shafts
> are turning in opposite directions at equal rates will the outer gear stand still.
Quite true. My bad.
-dave
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Message is in Reply To:
 | | Re: Newbie needs Help (diff sensor)
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| Some varied thoughts here: (...) I might be wrong, but my understanding of the Lego differential gearing is that if both shafts are turning at the same rate and direction, the outer gear/shell will turn at the same rate as the axles. Only when the (...) (18 years ago, 6-Jun-06, to lugnet.robotics)
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