Chief Delphi - Motors not running full speed?

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Chief Delphi (http://www.chiefdelphi.com/forums/index.php)

- Motors (http://www.chiefdelphi.com/forums/forumdisplay.php?f=52)

- - Motors not running full speed? (http://www.chiefdelphi.com/forums/showthread.php?t=101117)

slijin

26-01-2012 00:19

Re: Motors not running full speed?

Quote:

Originally Posted by AlexH (Post 1113580)

How do you know the motors are running slower than last year? Are you basing this of how they sound? Were you running Victors last year? Victors and Jags run at different frequency's. I think, (but can't exactly remember if this is true) that Jags run at a higher frequency than Victors which would make the motor run quieter.

This only has an effect while ramping up to full speed and during speed control (depending on the application) - it wouldn't decelerate a drive train. What will is a different gear ratio.

billbo911

26-01-2012 01:31

Re: Motors not running full speed?

Quote:

Originally Posted by PhilBot (Post 1113620)

Just reading the posts made me suspect gear ratios. But people don't seem to be biting :)

Don't you hate it when people don't believe the "numbers" :)

Phil.

Hate it? No, but it makes me laugh when the answer is right there and they ignore it.

Dominator1619

26-01-2012 01:33

Re: Motors not running full speed?

I second a re-look at the code. I know in 2010 we switched to labview and were using jags for our drive motors and the robot was noticeably slower than last years robot. In labview the code was set on Vic's and when in the code they were switched, instant return of power. So even though you've checked the code, a second look couldn't hurt

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