This idea is still in use today with proportional hydraulic valves; you use a PWM frequency that is low enough to induce a slight continuous vibration in the valve, to overcome stiction.
> On Apr 10, 2022, at 6:49 PM, Chris Albertson <albertson.ch...@gmail.com> > wrote: > > I'd say this thing was a vibrator with a DC component and not PWM control. > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
