I both succeeded and failed. I think inertia is high and friction low the axis it failed.
On Tue, 25 Oct 2016 15:49:34 -0400 (EDT) "Todd Zuercher" <zuerc...@embarqmail.com> wrote: > at_pid was a nice idea, but has anyone successfully made it work? (I'm > pretty sure there is a good reason few if anybody is using it.) > > ----- Original Message ----- > From: "Marius Liebenberg" <mar...@mastercut.co.za> > To: "Nicklas Karlsson" <nicklas.karlsso...@gmail.com>, "Enhanced Machine > Controller (EMC)" <emc-users@lists.sourceforge.net> > Sent: Tuesday, October 25, 2016 1:33:21 PM > Subject: Re: [Emc-users] Problem with servo setup --> tune mode > > I have not. Dont know how I did not know about this. I will try it. > > >Did you try the tune mode? > > > >It could be found in the hal configuratio and set via "setp" command. > >Manual http://linuxcnc.org/docs/html/man/man9/at_pid.9.html further > >down on page "pid.N.tune-" > > > > > > > > > > > >On Tue, 25 Oct 2016 06:16:04 +0000 > >"Marius Liebenberg" <mar...@mastercut.co.za> wrote: > > > >> Hi All > >> I have a problem with a machine using servos. It is a 4 axis machine > >> with the 4th axis being rotary. The linear servos are tuned and > >>working > >> very well but the rotary axis is not behaving well. It has a severe > >> oscillation and I cannot seem to get the PID trimmed to stabilize the > >> servo. > >> > >> The 4th axis used to be a stepper and that worked well but we changed > >> the stepper for a servo to get more speed through a reduction > >>planetary > >> gearbox. > >> I attached the HAl and INI files. Maybe I missed the obvious again > >> > >> The setup is like this: I use a 5i23 with two H Bridges from Mesa. > >> Remaining ports has a 7i33 and a 7i37 to drive the 4th axis servo and > >>do > >> some I/O. > >> > >> ----------------------------- > >> Regards / Groete > >> > >> Marius D. Liebenberg > >> +27 82 698 3251 > >> +27 12 743 6064 > ------------------------------------------------------------------------------ > The Command Line: Reinvented for Modern Developers > Did the resurgence of CLI tooling catch you by surprise? > Reconnect with the command line and become more productive. > Learn the new .NET and ASP.NET CLI. Get your free copy! > http://sdm.link/telerik > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ > The Command Line: Reinvented for Modern Developers > Did the resurgence of CLI tooling catch you by surprise? > Reconnect with the command line and become more productive. > Learn the new .NET and ASP.NET CLI. Get your free copy! > http://sdm.link/telerik > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ The Command Line: Reinvented for Modern Developers Did the resurgence of CLI tooling catch you by surprise? Reconnect with the command line and become more productive. Learn the new .NET and ASP.NET CLI. Get your free copy! http://sdm.link/telerik _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
