On Tue, Dec 22, 2015 at 1:59 PM, Chris Morley <[email protected]> wrote:
> > > > To: [email protected] > > From: [email protected] > > Date: Tue, 22 Dec 2015 06:11:23 +0200 > > Subject: Re: [Emc-developers] jerk limited trajectory > > > > 12/17/2015 05:40 PM, Viesturs Lācis rašė: > > ... > > > IIRC it has not been implemented in LinuxCNC, because it would not > > > work for spindle-synchronised moves, but I might be totally wrong on > > > that :)) > > > > > > > > > Viesturs > > > > I see jerk limitation as very nice and important feature to have. > > And I would go with a workaround like disabling jerk limitation only > > when doing spindle-synchronised move (or whatever else rarely used type > > of move) to let it work for the mainstream. > > > > BTW, limit4 would be great too :) > > > > That version of jerk-limited just didn't quite work right with > spindle-synch. > IIRC the person doing it didn't need spindle-synch and got little help - > lost interest. > Not that i blame him - it looks very difficult! > > Our Jerk limitation implementation is on-going at: https://github.com/araisrobo/machinekit/tree/rpi2-spi It is with spindle synchronizing for a wood lathe machine: https://youtu.be/_3v9xDF-2nY We are trying a new approach to apply trajectory planning for spindle, i.e. treat spindle like an axis. Still lots of work to be done. -Yishin ------------------------------------------------------------------------------ _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
