>> Start with a proportional controller (like Noel's suggestion), if it
>> doesn't *quite* get you to the set point and that steady state error
>> is an issue, add in the I and D terms.
Followup: that was very beautiful. It works wonderfully. Here's the patch:
https://github.com/dyoo/mzscheme-vm/commit/6074fee7a77dbeae04a0bc9743ec7429713e2a43
I got to get rid of a lot of red code and replace it with a petite 12
lines of green code. :)
Thanks again!
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