On 02/24/2014 10:03 PM, sam sokolik wrote: > I am surprised people still put up with me... I do have a lot of help > from the community. The compact 5 configs using the latch and dual > stepgens would not have been possible if not for Jeff and Chris's > smarts.. (I am the big picture guy usually...) > > As far as machs acceleration violations. I am pretty confident that > they are real. (again unless I am doing something wrong) If you want > to see some huge violations - run the tort.ngc program. It has lots of > diabolical motion. (granted - it is diabolical) I think though you > should be able to throw any gcode to a control and is should process it > correctly. > > I saw a number of downward spikes where the velocity suddenly dipped. I can imagine those were times when the Mach driver was unable to get the CPU. But, they appeared to be where the instantaneous velocity dipped by 25 - 33%, which is a HUGE velocity discontinuity for a motor to follow.
I also noticed NO such dips in the LinuxCNC traces. Jon ------------------------------------------------------------------------------ Flow-based real-time traffic analytics software. Cisco certified tool. Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer Customize your own dashboards, set traffic alerts and generate reports. Network behavioral analysis & security monitoring. All-in-one tool. http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users