On 4/5/24 08:25, Curtis Dutton 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?
Stepper/servo's, since two timers cost money, I suspect are running at
their basic ultrasonic speed of 22khz or better. It simply does not make
economic sense to do otherwise.
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
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Cheers, Gene Heskett, CET.
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