Re: [Flightgear-devel] flight data playback

2010-12-11 Thread Mike McLean
Sent from my Samsung Epic™ 4G Erik Hofman e...@ehofman.com wrote: On Wed, 2010-12-08 at 17:13 -0800, Hal V. Engel wrote: I used 120Hz (this is the same as the freq. of the FDM) and it almost works. But the problem is that on each run there is enough variation in the behavior of the

Re: [Flightgear-devel] flight data playback

2010-12-10 Thread Ron Jensen
On Thursday 09 December 2010 11:08:39 Hal V. Engel wrote: On Thursday, December 09, 2010 09:11:39 am Curtis Olson wrote: On Thu, Dec 9, 2010 at 10:10 AM, Hal V. Engel hven...@gmail.com wrote: I am going to try using the autopilot between spins and during climb outs to get things in a

Re: [Flightgear-devel] flight data playback

2010-12-10 Thread Jon S. Berndt
It would be really, really cool if you could do this using the JSBSim internal features so it could run in stand-alone, too. :) Ron This is true, because JSBSim is well-suited to various GNC systems modeling. This has already been done to some degree, but not a lot of time has been spent on

Re: [Flightgear-devel] flight data playback

2010-12-09 Thread Erik Hofman
On Wed, 2010-12-08 at 17:13 -0800, Hal V. Engel wrote: I used 120Hz (this is the same as the freq. of the FDM) and it almost works. But the problem is that on each run there is enough variation in the behavior of the model that the control inputs eventually get out of sync with the state

Re: [Flightgear-devel] flight data playback

2010-12-09 Thread Curtis Olson
On Thu, Dec 9, 2010 at 10:10 AM, Hal V. Engel hven...@gmail.com wrote: I am going to try using the autopilot between spins and during climb outs to get things in a know state (wings level and so on) as things progress through the flight. This should allow for the state of the flight and the

Re: [Flightgear-devel] flight data playback

2010-12-08 Thread Erik Hofman
On Tue, 2010-12-07 at 15:49 -0800, Hal V. Engel wrote: I was asked to record some flight data that is to be used for an aeronautical engineering class. I used the instructions located here http://wiki.flightgear.org/index.php/Suggested_Prerecorded_Flights to do the recording and to test

Re: [Flightgear-devel] flight data playback

2010-12-08 Thread Stuart Buchanan
On Wed, Dec 8, 2010 at 8:22 PM, Hal V. Engel wrote: Yes I want to record and playback the controls using the native FDM of the aircraft.  I do not care at all about the lat/lon/height of the plane.  I want to be able to feed my control inputs into the playback and have the FDM process this