Subject:
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Re: Tachocount
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 12 Nov 1998 17:08:22 GMT
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Viewed:
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2444 times
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lego-robotics@crynwr.com (Laurentino Martins) writes:
> Have you ever seen a car were when the distance counter starts
> counting backwards when it reverses direction?
I think we need to think of other applications than cars as well. The
tachometer can be useful in a lot of other mechanisms.
Suppose we have a 2D plotter set up, and use one motor for the x
coordinate and one for the y. That way, tachometers that count
backwards when the plotting device moves backwards would come very handy
for keeping track of the position we're currently in. The Dacta angle
sensors do this, right?
Fredrik
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Message is in Reply To:
 | | Re: Tachocount
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| Do you think a tachometer needs to distinguish direction? Why? Going forward or not, a vehicle _moves_ from one place to the other, so the space moved must always be added, never subtracted. How could you otherwise figure _how_much_distance_ you (...) (26 years ago, 12-Nov-98, to lugnet.robotics)
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