Les, that 'bit' more time gets harder to find the farther you get from today :) Stuart
On Thu, Jul 9, 2009 at 12:51 PM, Leslie Newell<[email protected]> wrote: > Hi Peter, > > I have a lot more work to do on the machine and jobs queued up for it so > that will have to do for the time being. If I change the servo thread > frequency I'll have to re-do all of the tuning and I don't have time. > When I get a bit more time I'll have a go. > > Thanks, > Les > > > Peter C. Wallace wrote: >> >> >> >> Depending on the mechanical frequency response of your system, you may be >> able >> to get a little better performance by speeding up the servo thread. This will >> improve the phase margins of the system, possibly allowing a bit more gain >> (and damping to go with it). A very rough rule of thumb is to have the >> sample rate (servo thread rate in this case) 10 to 30 times the mechanical >> frequency response. >> >> > > > ------------------------------------------------------------------------------ > Enter the BlackBerry Developer Challenge > This is your chance to win up to $100,000 in prizes! For a limited time, > vendors submitting new applications to BlackBerry App World(TM) will have > the opportunity to enter the BlackBerry Developer Challenge. See full prize > details at: http://p.sf.net/sfu/Challenge > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > > -- you can lead a person to knowledge but you cannot make him think ------------------------------------------------------------------------------ Enter the BlackBerry Developer Challenge This is your chance to win up to $100,000 in prizes! For a limited time, vendors submitting new applications to BlackBerry App World(TM) will have the opportunity to enter the BlackBerry Developer Challenge. See full prize details at: http://p.sf.net/sfu/Challenge _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
