The way I understand it is that trajectory planner calculates the new position each servo period so that machine moves at the required speed.
Viesturs 2011/2/6 Sasa Vilic <sasavi...@gmail.com>: > Hello, > > I am considering using Mesa 5i20 board to drive my gecko stepper drives. > But, something was not clear to me: > > How EMC controls speed of axis/joint? Since emc module stepgen, and also > mesa stepgen are using pos-command and pos-fb for controlling joints, it it > not clear to me how EMC keeps constant speed of axis when that speed is > bellow maximum? > > I know that there is velocity mode in both modules (emc software stepgen, > and mesa hardware stepgen), but from what I saw, they both are using > position mode instead velocity mode, and yet emc can keep joints at constant > feed rate? Is there any manual about integration of mesa board and steppers? > > Thank you very much. > > Regards, > > Sasa Vilic > ------------------------------------------------------------------------------ > The modern datacenter depends on network connectivity to access resources > and provide services. The best practices for maximizing a physical server's > connectivity to a physical network are well understood - see how these > rules translate into the virtual world? > http://p.sf.net/sfu/oracle-sfdevnlfb > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ The modern datacenter depends on network connectivity to access resources and provide services. The best practices for maximizing a physical server's connectivity to a physical network are well understood - see how these rules translate into the virtual world? http://p.sf.net/sfu/oracle-sfdevnlfb _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
