On Tue, 1 Dec 2020 at 21:40, Chris Albertson <[email protected]> wrote:

> The next step is to see why PID is not very good at this.   It is reactive
> and can't plan ahead.    For example, it can't say "I am only a few
> floors away from my target I'd better apply the brakes.

That's exactly what the D term _can_ do.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912


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