On Friday 04 June 2004 23:30, David Megginson wrote: > Lee Elliott wrote: > > If I understand the problem correctly, changing the distance at which the > > turn is initiated won't make any difference - it's the way that the pid > > controller reacts to the jump in input as the waypoint is popped that's > > causing the abrupt change. > > > > For example, if there are two waypoints, directly north and south of each > > other, when one waypoint is popped the pid controller is presented with > > an input change of 180 deg, regardless of how far away from the waypoint > > it is. > > The 180-degree turn is a special problem no matter how you look at it -- > the key is to make sure that the autopilot will not overbank the plane. > > Otherwise, though, turn distance does matter -- if you switch to the next > waypoint at the right moment, the plane will turn smoothly to its new track > without overshooting the waypoint and possibly entering unprotected > airspace. > > > All the best, > > > David
Ah - I don't think I understood the problem properly - I'll shut up. LeeE _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
