Also take a look at Quanser's work on the subject:
http://www.quanser.com/english/html/solutions/fs_soln_software_slx.html
-Edgar
On 31 Aug 2001 18:53:35 +0200, fred august wrote:
>
> > Could you or your friend tell me what "RTAI support
> > for Matlab" means?
> >
> > I'm currently a RTLinux and MATLAB user, so am
> > interested!
>
>
> I'm not 100% sure about this. So anyone that knows
> more can correct me.
>
> One of the nice features about Matlab and Simulink is
> the Real Time workshop. You create complex control
> algorithms with Simulink and then matlab automatically
> writes a C version of the algorithm that can be run in
> real-time. I used to use this with DSP boards
> supported by Mathworks (DSPace).
>
> Pros: it was great, just thinking about the strict
> control side of things and getting nice graphical
> results scoping for what was happening in the system.
>
> Cons: the boards were hell of expensive.
>
> I think it used to be DSP since windows is hardly real
> time and thus all the real time stuff would be done in
> parallel to the OS.
>
> After that I think Matlab has developed the RT
> workshop for more boards and claimed it would work in
> RT under windows. Haven't tried any, but would tend to
> believe them.
>
> Problems: few boards are supported. Not in an absolute
> sense (they are actually lots) but more in relative
> one (not the ones I was using). Plus if you ever have
> to tweak something yourself... well it's windows and I
> just get scared about twaeking in windows...
>
> Wouldn't it be cool to get the RT Workshop, tweak
> around the code and get something that converts
> automatically Simulink blocks to Real Time modules for
> RTL? I guess so... And if you look back in the mailing
> list I think more people had talked about this and
> were working on it. I haven't seen any news on that
> thread since summer 2000 though.
> Now apparently this has been done for RTAI. Both for
> user space (but I guess the RT one RTAI has, correct
> me if I'm wrong) and for kernel space, by two
> different groups. I think it works...
>
> So basically you can use RT workshop of matlab to
> convert Simulink algorithms to RTAI code... have to
> check what boards are supported and if yours is one of
> them. But I think writing the drivers, in case it's
> not supported, might be slightly less insane then
> attempting to do the same for windows.
>
> My friend has tested Matlab and the RT workshop with
> RTAI and said it compiled and loaded fine. Too bad he
> doesn't have a board to test the whole thing one yet.
> But we're getting there.
>
> So here's the scoop. I think it would be nice to be
> able to use Matlab. I know there are lots of tools out
> there and maybe Matlab is hated because it's not open
> source. But it's such a standard for a control
> Engineer like myself, it's just a nice feature to be
> able to use at low cost (Matlab license and nothing
> else).
>
> Hopefully most of this is not deadly wrong data...
>
> f
>
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