04-06-2008, 12:34
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Mad Scientist
AKA: Me
 FRC #2040 (DERT) Team Role: Engineer
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Join Date: Apr 2005
Rookie Year: 2003
Location: Peoria, IL
Posts: 1,959
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Re: How do you control the length a piston will extention/retraction?
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Originally Posted by Joe Ross
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I wish I saw that during the build season 
Quote:
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Originally Posted by Jetweb
I have always been a little cautious about the legality of magnets on robots, but there are multiple magnetic position sensors out there that with a 2-way solenoid would give fairly accurate position. it was one of the ideas we talked about using for this year that we decided we didn't need.
http://www.bimba.com/Products/PositionSensingSolutions/ |
Or you could try a String encoder
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"We are not now that strength which in old days moved earth and heaven; that which we are, we are;
One equal temper of heroic hearts, Made weak by time and fate, but strong in will
To strive, to seek, to find, and not to yield. "- Tennyson, Ulysses
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What should the lesson of FIRST be? Work within your resources to build the most effective machine that you can--and, at the same time, work to increase those resources. - Billfred [more] 
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