"Curtis L. Olson" writes
This is my general plan. Right now I have the autopilot config in a separate .xml file
* The autopilot should get input from other instruments (airspeed indicator, altimeter, attitude indicator, etc.), and not from /position/altitude-ft, /velocities/..., etc. That way the wing-leveler would be unuseable if the attitude indicator was "broken". Failures in the underlying instruments and systems would affect the autopilot.
Yup, each autopilot component will be able to take input from any property, and output to any other property. As long as we have the instrument values modeled and placed in the property tree, we can use them. The trick will be for someone who knows a little about autopilots to be able to tell us what inputs drive what functions.
As far as I am aware on any autopilot I ever worked on the autopilot/autothrottle took
no information from the instruments.It provides information to the instruments so the
pilot can see what the autopilot is doing.But to fly the A/C the autopilot could not
careless what the instruments are doing.
The autopilot takes its information from
CADS Corrected Air Data System
INS or U Inertial Navigation System or Unit or GPS
Radio Navigation Unit
Radio Altimeter
Auto Pilot Control panel
Compass Controler
All these units except for the control panel are blackbox's down in the
bowels.Also the autopilot unit is down there to.
So to simulate the Autopilot you would need to simulate all these box's outputs.
Alternativly you could just add there outputs to the property tree,quite
a few already are,and make the autopilot/autothrottle that way.
This is all I used to do the 737 autopilot.And while there are a few things
that need to be done the property tree I found to be very good.
Hope this helps Cheers Innis
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