Re: [Jsbsim-devel] New Trim and State Space Routines Added

[Jon S. B. <jon...@co...>]

I noticed that, too - but not the different property names between the two
files. I merged the trim code into the current JSBSim with very few
alterations. Agostino and James will be looking at the code in the next few
weeks.

I have requested that consideration be given to the use of a configuration
file instead of properties for trimming.

Jon

> -----Original Message-----
> From: Ron Jensen [mailto:wi...@je...]
> Sent: Sunday, October 28, 2012 3:14 PM
> To: Development issues
> Subject: Re: [Jsbsim-devel] New Trim and State Space Routines Added
> 
> On Wednesday 24 October 2012 23:05:39 Jon S. Berndt wrote:
> > I finally got around to adding James Goppert's trim and state space
> > classes and routines to JSBSim CVS.
> >
> > Jon
> 
> Ah hah! I see a problem. In src/FGFDMExec.cpp you initialize all the
> simplex defaults into trim/guess/*, but
> src/initialization/FGSimplexTrim.cpp is trying to load the defaults
> from trim/solver/*.
> 
> Going on from there, I'm seeing the defaults are bad. The fcs needs to
> be in a
> 0-1 range instead of a 0-100 range, the alpha and beta angles are being
> interpreted as radians (at least in some places) and are entered in
> degrees.
> Changing that gives me a solver that doesn't move the controls, though.
> :(
> 
> I never looked at James Goppert's original code, though. Not sure what
> else needs to be adjusted.
> 
> Ron
> 
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