> I just greped through the current CVS aircraft and found the following > results: > > 51 Aircraft and the generic-autopilot uses the pi-simple-controller > > 49 of these aircraft and the generic-autopilot uses the > pi-simple-controller with a Ki of zero aka P-only > > the remaining 2 Aircraft use a pi-simple-controller with Ki greater than > zero and u_min/u_max set. These two are potential candidates for windup > errors. These two aircraft and the respective controllers are > * b1900d: Vertical speed hold, Descent FPM and IAS hold > * Citation-Bravo: Altitude Hold Stage 1 > Looking at the A/P configuration files, I assume that having antiwindup > code enabled should do no harm but might stabilize these autopilots in > case they run into a saturated condition. > > Torsten After some testing, I am confident the modification won't break any existing aircraft in CVS. So I have just commited the patch. I sent a private mail to syd adams as the author of the only two aircraft that use pi-simple-controllers as described above, giving him a heads up.
Thanks for your comments Torsten ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
