It was my pleasure! j.
On Sat, Oct 15, 2011 at 9:51 PM, Frank Tkalcevic < [email protected]> wrote: > Thank you, that was a great way to tune. > > I used halcmd from a terminal prompt to tweak the pid parameters. Having > the command line history is very convenient. > > I had to replace the "o10 while [1]" with "o10 repeat [100]". Axis doesn't > like infinite loops! > > > -----Original Message----- > > From: [email protected] [mailto:[email protected]] > > Sent: Wednesday, 12 October 2011 1:53 AM > > To: andy pugh; Enhanced Machine Controller (EMC) > > Subject: Re: [Emc-users] all those who thirst knowledge. > > > > Chris taught me to tune emc2 axes with motion provided by gcode. > > > > Set your following error sloppy enough to let your machine run untuned, > but > > tight enough that if it runs away emc will stop it. Run axis (or your > gui of > > choice), run halcmd (for interactively setting pid gains), run halscope > (for > > getting a detailed look at pid and joint behavior), and finally run this > program: > > > > g91 ; incremental motion > > o10 while [1] > > g0 x1 ; go an inch right > > g4 p1 ; pause for a sec > > g0 x-1 ; go an inch left > > g4 p1 ; pause for a sec > > o10 endwhile > > m2 > > > > > > > > ----- Reply message ----- > > From: "andy pugh" <[email protected]> > > Date: Tue, Oct 11, 2011 04:43 > > Subject: [Emc-users] all those who thirst knowledge. > > To: "Enhanced Machine Controller (EMC)" <emc- > > [email protected]> > > > > On 11 October 2011 07:15, Frank Tkalcevic <[email protected]> > > wrote: > > > I opened the first pdf and it has an article on pid tuning. It > > > suggests applying a square wave command and tuning from that. How > > > hard is it to generate a square wave in emc? Will this require hal > > > trickery or can it be done with GCode? > > > > It depends on where you want to generate the square wave, but you could > > use either siggen (or just a 50% pwmgen) or a G-code loop driving an > > analogue output. > > > > -- > > atp > > "Torque wrenches are for the obedience of fools and the guidance of wise > > men" > > > > > ------------------------------------------------------------------------------ > > All the data continuously generated in your IT infrastructure contains a > > definitive record of customers, application performance, security > threats, > > fraudulent activity and more. Splunk takes this data and makes sense of > it. > > Business sense. IT sense. Common sense. > > http://p.sf.net/sfu/splunk-d2d-oct > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------------------------ > > All the data continuously generated in your IT infrastructure contains a > > definitive record of customers, application performance, security > threats, > > fraudulent activity and more. Splunk takes this data and makes sense of > it. > > Business sense. IT sense. Common sense. > > http://p.sf.net/sfu/splunk-d2d-oct > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ------------------------------------------------------------------------------ > All the data continuously generated in your IT infrastructure contains a > definitive record of customers, application performance, security > threats, fraudulent activity and more. Splunk takes this data and makes > sense of it. Business sense. IT sense. Common sense. > http://p.sf.net/sfu/splunk-d2d-oct > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense. http://p.sf.net/sfu/splunk-d2d-oct _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
