Subject:
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Re: rotation sensor mystery solved?
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Wed, 26 Jan 2000 15:19:24 GMT
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Viewed:
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1399 times
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Ben Jackson wrote:
> Is anyone else working on this? Are people at least enjoying the lively
> conversation I'm having with myself on lugnet.robotics.rcx.legos? If you want
> to play along at home, take a rotation sensor, put 2 1x4 beams along one edge
> of the top, put an 8t gear on a beam through the sensor and a 40t gear on the
> center hole of the upper beam. Attach a stick of some kind with a weight (I'm
> using an axle with a big tire) and swing it back and forth. You get a good 0
> reference (straight down) so you can easily track when the zero point drifts
> due to missed turns.
>
> --Ben
It is very very interesting. I have worked the last weeks evenings to
discover the fault in my concept, my modell and my Software. and I have
discovered, that the fault can't be on my side. I discovered that my
implementation of a fake rotation sensor using a fibre obtics box has
better performace than the original rotation sensor. So i planed to
investigate legOSs handling of the rotation sensor next weekend.
Carsten
--
"All parts should go together without forcing. You must remember that
all the parts you are reassembling were disassembled by you. Therefore,
if you can't get them together again, there must be a reason.
By all means, do not use a hammer."
-IBM maintenance manual, 1925
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Message is in Reply To:
 | | Re: rotation sensor mystery solved?
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| I put in some debug code to catch rotations which skip a state (transitions like 3->1 or 0->2) which the legOS table `diff2change' currently translates to 0 steps (because we can't be sure whether that was 2 steps forward or 2 steps back). These (...) (25 years ago, 26-Jan-00, to lugnet.robotics.rcx.legos)
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