That would make sense. Just as a quick search I see 4, 8 and possibly even
16Khz pwm frequencies. I'll report on what mac thread frequency this pine
star board can sustain once I get there.

We can find a board with an fpga onboard if its not workable on its own.

On Fri, Apr 5, 2024, 9:30 AM Thaddeus Waldner <thadw...@gmail.com> wrote:

> As far as I know, current feedback loops update on each PWM cycle.
>
>
> > On Apr 5, 2024, at 7:27 AM, Curtis Dutton <curtd...@gmail.com> wrote:
> >
> > yessir thank you. I studied it a fair bit a few years ago. It's part of
> the
> > inspiration for this for sure.
> >
> > I'd like this new board to run out of thr box linuxcnc hal and maybe we
> can
> > port and adopt lots of the STMBL code into this project.
> >
> > My goal is to have this "controller" be a bone stock hal based system
> much
> > like STMBL except not the "stripped" down hal that Rene created. Which
> I'd
> > assume he had to do because of processing and memory power constraintd. I
> > havent yet started playing with my pine star board but it should have
> more
> > than enough power. Hopefully we can get at least a 4khz thread going on
> it.
> > Maybe more!
> >
> > What are modern servo amplifiers running their pid loop at these days?
> >
> >
> >> On Fri, Apr 5, 2024, 8:13 AM andy pugh <bodge...@gmail.com> wrote:
> >>
> >>> On Fri, 5 Apr 2024 at 11:59, Curtis Dutton <curtd...@gmail.com> wrote:
> >>>
> >>> I'm starting a new project to build a motor drive based upon igbt
> >> modules.
> >>> Hoping to build something that has a single type of controller that
> will
> >>> plug and play with various capacity igbt modules for various size
> motors.
> >>
> >> Are you aware of the STMBL project? That would seem like a very good
> >> starting point, as it already plays well with LinuxCNC, and works with
> >> a wide range of feedback types (Hall sensors, resolvers, encoders  and
> >> serial protocols)
> >> In fact you could probably copy the LV board with only minor changes
> >> (to account for component obsolescence) and make a new HV/power board.
> >>
> >> https://github.com/rene-dev/stmbl/blob/master/README.md
> >>
> >> --
> >> atp
> >> "A motorcycle is a bicycle with a pandemonium attachment and is
> >> designed for the especial use of mechanical geniuses, daredevils and
> >> lunatics."
> >> — George Fitch, Atlanta Constitution Newspaper, 1912
> >>
> >>
> >> _______________________________________________
> >> Emc-developers mailing list
> >> Emc-developers@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/emc-developers
> >>
> >
> > _______________________________________________
> > Emc-developers mailing list
> > Emc-developers@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-developers
>
>
> _______________________________________________
> Emc-developers mailing list
> Emc-developers@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-developers
>

_______________________________________________
Emc-developers mailing list
Emc-developers@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-developers

Reply via email to