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
