gEDA-user: gnucap: Multi-disciplinary / mixed language simulation

[Colin Hall]

Peter,

I can't help you with gnucap, but have you looked at Ptolemy or Open 
Modelica for multi-disciplinary simulation?

Regards,
Colin.

On 31 Jan 2007, at 12:41 am, Peter Clifton wrote:

> Hi,
>
> As part of my research into linear generators, it would be useful to
> produce a full system level simulation combining gnucap as well as
> mechanical modelling I have in Octave.
>
> Another student has done circuit modelling for the power conversion
> stage (using PSpice), and my work so far has investigated the 
> mechanical
> aspects of the system in Octave.
>
> To solve for the system's response, I find myself implementing crude
> circuit models in Octave, I wounder if there is some way to embed
> gnucap, calling it to provide solutions to circuit-side aspects of the
> system from within the mechanical simulation. I'm not sure how the
> time-stepping of the two numerical solvers would tie together though.
>
> I'm keen to write a gnucap model for the generator at some stage, so
> more accurate modelling of arbitrary converter waveforms / control
> algorithms can be evaluated for the system as a whole.
>
> I'm currently going around in circles trying to work out whether is is
> best to try and build a mechanical model of the generator into gnucap
> (probably calling Octave), or to try and use gnucap to solve the
> electrical problems for a "system" simulation in Octave. (Which may 
> well
> be embedded in a gui).
>
> Anyone have any thoughts... or know of such things being done before?
>
> Regards,
>
> -- 
> Peter Clifton
>
> Electrical Engineering Division,
> Engineering Department,
> University of Cambridge,
> 9, JJ Thomson Avenue,
> Cambridge
> CB3 0FA
>
> Tel: +44 (0)7729 980173 - (No signal in the lab!)
>
>
>
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