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Unread 27-07-2012, 11:17
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Re: Low Res Optical Encoders for Speed Control

Quote:
Originally Posted by KrazyCarl92 View Post
I had thought of a bang-bang approach where we base the original voltage on motor curves, then if the speed drops X% below the target speed, raise the voltage by Y%, or if the speed exceeds the target by X%, lower the voltage by Y%. X would be the max allowable deviation from the target speed and Y would be an experimentally determined voltage correction. If its between 100-X % and 100+X %, we would apply no voltage correction.
There's a lengthy discussion (and paper) of bang-bang here, if you haven't seen it yet:

http://www.chiefdelphi.com/forums/sh...d.php?t=105679


Here's a thread (and paper) on take-back-half:

http://www.chiefdelphi.com/forums/sh...d.php?t=105965