Subject:
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Re: Measuring robot turn angle
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Sun, 13 Jan 2002 02:19:53 GMT
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Viewed:
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2017 times
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Wanted to thank everybody for replies. I ended up attaching an 80-tooth
gear to the rear axle (wheels are on the front set) after extending the
axle. The rotation sensor is mounted on the chassis outside with an 8-tooth
gear meshing to the other gear, which gives me a 5:1 ratio or 80 (5*16)
rotation units (couldn't accomodate a worm gear to get more accuracy -
shucks ;-( ). Since all of the axles (from the two differentials) turn
synchronously (by virtue of direct gear meshings), I can get adequate turn
angle and displacement measurements.
Very nice!
Robert Templeton
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Message is in Reply To:
 | | Measuring robot turn angle
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| The drive system in my robot is an adder-subtractor (see (URL) which uses two differentials in order to get equalized forward/reverse drive while allowing turning and pivoting (turning in place). For navigational purposes, the robot should be able (...) (23 years ago, 9-Jan-02, to lugnet.robotics.rcx.legos)
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