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Re: PID Without Direction - How?
Are you looking for an alternate way to determine direction or do you want to leave direction completely out of it?
As far as alt forms of direction sensing goes, you can use
current output value to motor - motors running forward generally drive/coast forward till reverse is applied
accelerometer - if external force (crash) is applied you can sense its direction
(speed) rate of GTS/encoder pulses - definitely a stretch, but if you have speed you can make some assumptions that are generally correct under normal circumstances
gyro
a combination of these sensors and some (reasonably complex) code should be able to determine direction.
__________________
Electrical & Programming Mentor ---Team #365 "The Miracle Workerz"
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2007 CMP Chairman's Award - Thanks to all MOE members (and others) past and present who made it a reality.
 Robot Inspector
"I don't think I'm ever more ''aware'' than I am right after I burn my thumb with a soldering iron"
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