Subject:
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Re: Pneumatic Circuit of Pick and Place Robot
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 17 Feb 2005 01:10:51 GMT
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Viewed:
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4868 times
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In lugnet.robotics, Mark Bellis wrote:
> The arm extension is the Exclusive-OR of the wrist and grab positions, operating
> twice per cycle. The grab, elbow and wrist operate in sequence, with the
> extension enabling either the grab or the elbow at any one time.
>
> This makes the circuit a building block. If more functions were added in
> sequence with either the grab or the elbow and wrist, the extension would
> provide enabling to one of the two sets of functions at once, toggling itself
> before enabling the other set. Try applying this to another application,
> thinking of a suitable substitute for the extension that has to operate twice
> per cycle, with two sets of functions that each operate once per cycle. Of
> course the extension substitute could, itself, be a sequence of functions.
>
> I'm not sure whether drawing the circuit with proper mechanical symbols would
> add any value, as it's probably easier to reproduce from the Lego element
> representation. PLMKWYT.
>
> Mark
Hi Mark,
I'm studying your circuit with interest. I love the XOR part.
Kevin
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