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Subject: 
Re: Newbie needs Help (diff sensor)
Newsgroups: 
lugnet.robotics
Date: 
Tue, 6 Jun 2006 23:10:34 GMT
Viewed: 
8282 times
  
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



Message is in Reply To:
  Re: Newbie needs Help (diff sensor)
 
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 (...) (20 years ago, 6-Jun-06, to lugnet.robotics)

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