--- Olin Lathrop <olin_piclist@EMBEDINC.COM> wrote: >
>
> You should be able to do better than that for a
> simple PI controller.
>
> One of my projects runs two layered PID controllers
> in a 16F876.  The
> lower one adjusts the PWM output to a DC motor to
> control its position,
> and the upper one adjusts the motor position, which
> is connected to a
> throttle of a gasoline engine, to control the
> engine's speed based on some
> input parameters.  Both are full PID with a few
> other features added, and
> both use software 24 bit floating point.  A new
> computation is done every
> 10mS, although the worst case computation time is
> about 7mS.


   Well,  should improve my algorithms... I think I
will try Roman4s idea first... Thanks for your
advices...

* Carlos *

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