On 30 October 2017 at 23:52, Chris Albertson <[email protected]> wrote: > I think I see a reason why advice about PIDs used an axis and a spindle > might differ. The axis servo will have a huge about of gearing so the > motor will run fast and the controller will see a lot of edges per PID loop > interval.
The big difference is that with an axis when you are in position you set the output to zero to stop moving. With a spindle when you are at speed you keep the output constant. -- 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, 1916 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
