Are the velocity tachs still active, so that the drives are closing a velocity loop, and EMC2 is commanding that velocity loop on the basis of position error?
If that is the case, I wonder if EMC2 would work with only I and FF1? (And if you think that you have a puzzle, I am currently calibrating a controller where the P gain is the product of two 10x10 maps (effectively a 10x10x10x10 lookup on total error, engine speed, oil temperature and command value), the I term is the product of three maps, the D term is the product of 2 maps with a time constant from another 2 maps and the PI limit and D limit are also the products of multiple maps. So I have 1100 PID terms to get right, including getting the engine into the right states to test them.) -- atp "Torque wrenches are for the obedience of fools and the guidance of wise men" ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense. http://p.sf.net/sfu/splunk-d2dcopy1 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users