Re: [Flightgear-devel] Faster responsiveness on the turn

2004-02-05 Thread Roy Vegard Ovesen
On Thu, 05 Feb 2004 00:05:00 +0100, Roy Vegard Ovesen [EMAIL PROTECTED] wrote: I'm thinking that adding a second indicated-turn-rate property that is filtered with a higher bandwidth would be a good solution. I just tried this, and the control system performance boost was quite noticable.

Re: [Flightgear-devel] Faster responsiveness on the turn indicator

2004-02-05 Thread Roy Vegard Ovesen
On Wed, 04 Feb 2004 20:18:15 -0500, David Megginson [EMAIL PROTECTED] wrote: Roy Vegard Ovesen wrote: So I shouldn't touch the responsiveness then?!. But rather add a new property with better responsiveness. Out of curiosity, why do you think that the responsiveness should be better? It

Re: [Flightgear-devel] Faster responsiveness on the turn indicator

2004-02-05 Thread Roy Vegard Ovesen
On Wed, 04 Feb 2004 17:18:33 -0800, Andy Ross [EMAIL PROTECTED] wrote: Roy Vegard Ovesen wrote: David Megginson wrote: Originally, the TC responded instantly -- I had to do a fair bit of work adding the slight lag to make it work like a real TC. The lag smooths out the indication a bit. So I

Re: [Flightgear-devel] Faster responsiveness on the turn indicator

2004-02-05 Thread David Megginson
Roy Vegard Ovesen wrote: No, not more respinsive than possible, but I thought that the damping in FlightGear _and_ in real world was only for display purposes. So maybe there would be a possiblility to get the signal before it was damped. After reading the article on the AVWeb site and noting

RE: [Flightgear-devel] Faster responsiveness on the turn indicator

2004-02-05 Thread Norman Vine
David Megginson writes: Roy Vegard Ovesen wrote: No, not more respinsive than possible, but I thought that the damping in FlightGear _and_ in real world was only for display purposes. So maybe there would be a possiblility to get the signal before it was damped. After reading the

Re: [Flightgear-devel] Faster responsiveness on the turn indicator

2004-02-04 Thread David Megginson
Roy Vegard Ovesen wrote: 1) Increase the responsiveness of the turn indicator. I'm not a pilot and I've never seen a turn indicator in action so I don't know how resposive these instruments are, so maybe increasing the responsiveness isn't a good idea. Originally, the TC responded instantly --

Re: [Flightgear-devel] Faster responsiveness on the turn

2004-02-04 Thread Alex Perry
From: Roy Vegard Ovesen [EMAIL PROTECTED] I am currently in the process of implementing the Bendix/King KAP 140 autopilot. This is a rate based autopilot, it uses the turn rate and rate of climb as its primary inputs. The turn indicator instrument implements a low-pass filter so that the

Re: [Flightgear-devel] Faster responsiveness on the turn indicator

2004-02-04 Thread Jim Wilson
Roy Vegard Ovesen [EMAIL PROTECTED] said: On Wed, 04 Feb 2004 16:37:49 -0500, David Megginson [EMAIL PROTECTED] wrote: Roy Vegard Ovesen wrote: 1) Increase the responsiveness of the turn indicator. I'm not a pilot and I've never seen a turn indicator in action so I don't know how

Re: [Flightgear-devel] Faster responsiveness on the turn

2004-02-04 Thread Roy Vegard Ovesen
On Wed, 4 Feb 2004 13:48:37 -0800 (PST), Alex Perry [EMAIL PROTECTED] wrote: From: Roy Vegard Ovesen [EMAIL PROTECTED] I am currently in the process of implementing the Bendix/King KAP 140 autopilot. This is a rate based autopilot, it uses the turn rate and rate of climb as its primary inputs.

Re: [Flightgear-devel] Faster responsiveness on the turn indicator

2004-02-04 Thread David Megginson
Roy Vegard Ovesen wrote: So I shouldn't touch the responsiveness then?!. But rather add a new property with better responsiveness. Out of curiosity, why do you think that the responsiveness should be better? I've flown briefly behind two small-plane autopilots (one newer, one older) and they

Re: [Flightgear-devel] Faster responsiveness on the turn indicator

2004-02-04 Thread David Megginson
Jim Wilson wrote: Hmmm...does the KAP140 run right off the gyro? And is the lag in the realworld turn coordinator by design for smoother indication? I remember reading that it was, but I no longer remember the source. It might have been an article about gyros on AvWeb (but then again, it might

Re: [Flightgear-devel] Faster responsiveness on the turn indicator

2004-02-04 Thread Andy Ross
Roy Vegard Ovesen wrote: David Megginson wrote: Originally, the TC responded instantly -- I had to do a fair bit of work adding the slight lag to make it work like a real TC. The lag smooths out the indication a bit. So I shouldn't touch the responsiveness then?!. But rather add a new