tormach did something to the planner, does anyone know what they paid for
it, and how / who they commissioned to do it?

On Tue, 17 Aug 2021, 18:57 Ralph Stirling, <ralph.stirl...@wallawalla.edu>
wrote:

> I've also been hoping to see this appear in a Linuxcnc update,
> as it has been worked on by a number of people for years.
> Here are the most recent threads about jerk-limited trajectory planning:
>
>
> https://forum.linuxcnc.org/24-hal-components/40152-jerk-limited-trajectory-planner-hal-component
>
>
> https://forum.linuxcnc.org/38-general-linuxcnc-questions/34666-c2-smooth-velocity-profile?start=0
>
> -- Ralph
> ________________________________________
> From: David Berndt [ber...@uberwin.com]
> Sent: Tuesday, August 17, 2021 9:01 AM
> To: Enhanced Machine Controller (EMC); andrew beck
> Subject: Re: [Emc-users] jerk control
>
> CAUTION: This email originated from outside the Walla Walla University
> email system.
>
>
> I don't have a great need for it with my machines, or the time/brains to
> implement it. It just seems like a feature we really should have.
>
>   I'd be willing to participate monetarily in some sort of system to
> incentivize the inclusion of jerk control. Perhaps an open-source feature
> bounty? Does the community want to consider that sort of thing?
>
> -Dave
>
> On Mon, 16 Aug 2021 23:06:05 -0400, andrew beck <andrewbeck0...@gmail.com>
> wrote:
>
> > hey guys
> >
> > I am sitting here watching my cnc mill atm its shaking quite a bit
> > acceleration is 600mm/sec2  which is not that high i think.  compared to
> > every other cnc mill i have used with a commercial controller.  they have
> > jerk control and work much better.  so looking forward to when we get
> > jerk
> > control here on linuxcnc!
> >
> > but in the mean time i need a poor mans jerk control and thinking of a
> > limit on the pid output to chop down the initial acceleration for the
> > first
> > moment in time just so little moves don't shake it to death
> >
> > andy mentioned that I could maybe use a limit component to limit the
> > initial acceleration for the first tiny moment in time to cut down on the
> > vibrations.
> >
> > how do you guys think that could work?
> >
> > Regards
> >
> > Andrew
> >
> > _______________________________________________
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> > Emc-users@lists.sourceforge.net
> >
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