Subject:
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Re: Surveying MTBF of Edu NXTs
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Newsgroups:
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lugnet.robotics.nxt
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Date:
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Fri, 23 Feb 2007 23:12:11 GMT
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Viewed:
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14242 times
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First, let me repeat the request for specifics. I *have* had some reports of
indivdual sensors failing (and being replaced by LEGO), as well as the rare
motor that seems a little bit to high in internal friction (and, again, at least
addressed by LEGO). But I've yet to see a "bricked NXT" (and trust me, some
folks have tried).
In lugnet.robotics.nxt, Rafe Donahue wrote:
> The statistician in me (who sometimes competes
> for space with the developing Alien baby)...
Rafe, have you ever thought of doing what the rest of us do? You know, just
tying a knot in the end of your hanky and hanging on? Moving right along...
> you don't have much useable data.
LUGNET isn't a bad place to get a larger sample, and I can think of one group
that has had a number of NXTs for a while now, and has for the most part been
playing pretty hard with them: the MDP/MUP. I don't think I remember a failure
yet. Anyone?
--
Brian Davis
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Message is in Reply To:
 | | Re: Surveying MTBF of Edu NXTs
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| (...) You should be able to estimate time-to-failure in the presence of your censored data; people do this all the time in engineering and cancer and many other fields. Steve H seems surprised at the fact that any NXT died and I must say that I am (...) (18 years ago, 23-Feb-07, to lugnet.robotics.nxt)
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