Rembered the name, that's enough to find it in seconds Ziegler Nichols method https://en.wikipedia.org/wiki/Ziegler%E2%80%93Nichols_method
On Wed, 6 May 2020 16:41:04 +1200 andrew beck <[email protected]> wrote: > I'll have a play thanks > > On Wed, May 6, 2020, 4:24 PM Nicklas Karlsson <[email protected]> > wrote: > > > Remove PID gains, try a step response on analog input signal controlling > > speed and measure output? Then you have a good idea of response gains could > > be calculated on computer. > > > > Have some other algorithm in course litterature, do not remember and have > > too look it up, do not have time now. > > > > > nicklas > > > > > > just to clear up a few things > > > > > > the rs482 is for a chinese windows based tuning program. it is > > completely > > > separate from linuxcnc. > > > > > > the drives do accept modbus but that is a job I have no fancy tackling > > with > > > linuxcnc lol > > > > > > and yes any tuning stuff you can find would be appreciated. the problem > > is > > > I cannot use Halscope yet. until I have the servos tuned already I think > > > pretty close. But I might be wrong so if anyone has some experience > > here > > > I would love to hear it. > > > > > > regards > > > > > > Andrew > > > > > > On Wed, May 6, 2020 at 3:53 PM Nicklas Karlsson < > > > [email protected]> wrote: > > > > > > > > Hi guys > > > > > > > > > > I have been trying to connect my laptop to my chinese servos via > > rs485 > > > > for > > > > > ages to get the tuning software working and am not having any luck. > > > > > > > > > > In the mean time I am just wondering what the best way to tune the > > servos > > > > > is? Can I hook up a oscilloscope to something? I am lost how that > > would > > > > > work but have one I can use if needed. > > > > > > > > > > I can manually change the pid parameters in the drive easily I just > > > > can't > > > > > measure it very well. other than listening for noise. > > > > > > > > Have some kind of algorithm in course litterature for the case then > > there > > > > is no model of the system and a similar problem today. Maybe I could > > point > > > > you in the right direction tonight. > > > > > > > > There are also some kind of auto tune function in Linuxcnc, what kind > > of > > > > update frequency do you get them using rs485? > > > > > > > > > > > > Regards Nicklas Karlsson > > > > > > > > > > > > _______________________________________________ > > > > Emc-users mailing list > > > > [email protected] > > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > > > _______________________________________________ > > > Emc-users mailing list > > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
