[Flightgear-devel] PI Simple Controller: Initial Integrator Value

[Josh D. <jos...@gm...>]

Hi guys,
Recently been working on the KAP140 rewrite with the c182 guys + WoodSToKk.
One of the problems is the machine does not start from the current servo
location, because the pi-simple-controller element does not allow any sort
of initial integrator value setting (like jsbsim, or how the
"pid-controller" starts his integrator from where <output> left).

Why not pid-controller?
Because I don't want velocity style here, absolutely and simple pi works
best in this system (at least... for now, I still can make something maybe)

Why not jsbsim?
Because we want the KAP140 to work on both Yasim and Jsbsim aircrafts.

So I propose to add a tag or value which is if omitted, uses the default of
"0" that allows us to define a property or value (or expression etc) for
the initial integrator value.

What you think?

Kind Regards,

--
Josh Davidson

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