Turned out that the mechanical coupling coefffient is so low that a stall cannot occur. So Matthew W.'s #1 approach will work for me.
Thanks everyone for the help! Mike On Wed, 2010-06-02 at 20:13 +0200, Armin Faltl wrote: > > Mike Crowe wrote: > >> 3. More complicated models would vary the inductance depending on > >> rotation speed, electrical frequency and possibly angular position of > >> the rotor... but hopefully you don't have to go that far. > >> All in all... I think Spice will be a pretty awkward tool to do any > >> more than (1.). I'd look at something like University of South > >> Carolina's VTB (Virtual Test Bed). It's free, but closed source. > >> > > Unfortunately, I believe that the model will be more like #3. The power > > source is a periodic hydraulic one. My ultimate task is to deliver peak > > power from the mechanical system regardless of the available input power > > (wave action). In addition to modeling the motor, I will need to model > > the mechanical components. I looked briefly at the SC site, but it > > requires a plug-in that I don't have. > > > How about setting up the differential equations of your dynamic model. > If you can formulate > them as a system of ordinary explicit de's and as initial value problem, > you can use a > Runge-Kutta method, that should be readily available as C-source (or at > least FORTRAN). > > > > _______________________________________________ > geda-user mailing list > [email protected] > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
