> > I would suggest to use airspeed as input to a PID controller, your > > desired airspeed as reference and the elevator control surface as output. > > I haven't tried this, so good luck! > > Works like a charm :-) I got it stable with: Kp=0.0125, Ti=30.0, Td=0.0 > with the Piper. You can start from there, and I'm sure that fine tuning > will get better performance.
Thanks Roy, it works better now, but still not enough to prevent crashing. It looks like I'll still need an external monitor to clamp the pitch angle. For instance, if I'm doing an idle descent at 250 kts and reset the speed to 300, I need to keep the airplane from going straight down. Dave -- **************************** David Culp [EMAIL PROTECTED] **************************** _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
