On Tuesday, May 08, 2012 04:33:56 PM andy pugh did opine: > On 8 May 2012 20:45, gene heskett <ghesk...@wdtv.com> wrote: > > setp pid.0.Pgain 0 > > setp pid.0.Igain 1 > > setp pid.0.Dgain 1 > > setp pid.0.maxoutput 401 # to keep it from running > > away > > I know that I-only is what the Wiki example uses, but I think it is > wrong. > > I believe that FF0 + I is the way to go. WIth FF0 set to rpm/duty > cycle and a much smaller I than you currently have to take up the > error.
Would that not require a dynamic, dependent on speed, FF0 then? Since rps can easily go from .5 to 40 if its full speed capability is used. That is a fairly wide, and likely the topp 2/3rds of it never used, but... Can this FF0 be derived from the encoder? Thanks Andy. Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> The worst is enemy of the bad. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
