I've seen variant where I is kept zero while P saturates the command.
On Mon, Dec 10, 2012 at 7:55 PM, andy pugh <[email protected]> wrote: > On 10 December 2012 14:49, Kenneth Lerman <[email protected]> > wrote: > > > Regarding comments Jon has made about 'I', some systems I've worked on > > had something called "wind up limiting". The idea was to limit the > > amount of integral that could be added to the system. > > There are two ways to achieve this that I have seen. > The first is a limit on P + I. So, if P is high then I is limited, and > for very high errors I is limited to 0. > > Another thing I have seen (generally configurable as it is often > decidedly _not_ the thing you want) is an option to zero the I term > when the error crosses zero. > > -- > atp > If you can't fix it, you don't own it. > http://www.ifixit.com/Manifesto > > > ------------------------------------------------------------------------------ > LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial > Remotely access PCs and mobile devices and provide instant support > Improve your efficiency, and focus on delivering more value-add services > Discover what IT Professionals Know. Rescue delivers > http://p.sf.net/sfu/logmein_12329d2d > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers > ------------------------------------------------------------------------------ LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial Remotely access PCs and mobile devices and provide instant support Improve your efficiency, and focus on delivering more value-add services Discover what IT Professionals Know. Rescue delivers http://p.sf.net/sfu/logmein_12329d2d _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
