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View Poll Results: Vote on your favorite kit sensors
Accelerometer 18 28.13%
Hall effect sensors 16 25.00%
CMU cam 24 37.50%
Rotary encoder (new in 2006) 42 65.63%
Pots (new in 2006) 28 43.75%
Banner sensors (old stuff) 13 20.31%
Gyro (old stuff) 21 32.81%
I/R beacon (old stuff) 7 10.94%
Multiple Choice Poll. Voters: 64. You may not vote on this poll

 
 
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Unread 12-11-2005, 08:31
Andrew Schuetze's Avatar
Andrew Schuetze Andrew Schuetze is offline
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Lightbulb Re: Kit item request for 2006

Quote:
Originally Posted by Tom Bottiglieri
I would love to see out of the kit support for drive motor feedback. This be can be in the form of encoders, hall effect sensors, or some other form of technology (Back EMF ).
While this modification isn't extremely hard to handle on your own, out the the box support for motor feedback might make autonomous mode alot easier and more reliable for lots of teams.
Okay, I just saw a robot application of this using Lego system motors yesterday. Charmed labs has created a new interface (Gameboy based) for Botball that uses back emf and reportedly has precision down to 10,000 cpr.

Is back emf possible using the victor speed controllers? Using the FRC 2005 system, would we need to add in a voltage sensing circuit between the motor and victor?

Mostly curious as we will attempt to add non-driven encoder wheels to help with autonomous this year.


Okay, I just found a lot more on this topic in this thread
http://www.chiefdelphi.com/forums/sh...d.php?p=386117

sorry
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Last edited by Andrew Schuetze : 12-11-2005 at 17:32.
 


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