On 25 March 2014 04:08, Leonardo Marsaglia <leonardomarsagli...@gmail.com> wrote:
> Anyway, I think that may be using a timing pulley the ripple could be > reduced. It appears only when the axis is going up and between 3000 mm/min > and 8000 mm/min because of the high torque demand. Going down it's really > smooth at any speed You might find that if you add some bias to the PID controller then you can make the behaviour more symmetrical. Hopefully symetrically good, not symetrically bad. (you should find you need less P to get it to move up) -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. Written by three acclaimed leaders in the field, this first edition is now available. Download your free book today! http://p.sf.net/sfu/13534_NeoTech _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
