On Fri, 18 Jan 2002 09:48:17 -0800 Andy Ross <[EMAIL PROTECTED]> wrote:
> David Megginson wrote: > > Jim Wilson writes: > > > The values I have to able to set per aircraft (to start with) > > > are: > > > min_climb_speed, best_climb_speed, target_climb_rate, and > > > something > > > which for lack of a better term is an elevator_adjustment_factor > > > (controls the severity of adjustment to elevator-trim for a given > > > error). > > > > Does anyone know any technical terms for these? > > They sound pretty technical and well-described to me. I'm no big fan > of adherence to convention -- that's what got us slugs, for goodness > sake. :) > > Actually, there's a point here: do autopilots really have a "trim to > speed" option? This would strike me as almost a waste -- a given trim > setting *defines* an indicated speed. Most autopilots I've seen > simply trim to a given climb rate, and cut out if the airspeed drops > too low or climbs too high. > > Some autopilots on big jets have a speed control, but that works by > varying the throttle, not the trim. > > My notion of an autopilot would be (forgive me if this is already > implemented somewhere): > > + Turn rate target set according to heading mode (wing leveler, > heading hold, NAV, ILS) > + Climb rate target set manually. > > + Roll control to a given turn rate. > + Yaw control to coordinated flight. > + Pitch control to a given climb rate. > > Is anything more elaborate really needed? Even really fancy > fly-by-wire systems present a user interface that looks essentially > like this. .maybe have it read, and fly flight plans? Tweaks could include "responding to ATC input, such as amended clearances"... and maybe report back... .FG _is_ lan capable, so we're not too far away. :-) -- .med vennlig hilsen = with Kind Regards from Arnt... ;-) Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
