%0 Journal Article %T The Good Gain method for simple experimental tuning of PI controllers %A F. Haugen %J Modeling, Identification and Control %D 2012 %I Norwegian Society of Automatic Control %R 10.4173/mic.2012.4.3 %X A novel experimental method -- here denoted the Good Gain method -- fortuning PI controllers is proposed. The method can be regarded as analternative to the famous Ziegler-Nichols' Ultimate Gain method. The approach takenresembles the Ziegler-Nichols' method as it is based on experiments with theclosed loop system with proportional control. However, the method does notrequire severe process upset during the tuning like sustained oscillations.Only well-damped responses are assumed. Furthermore, in the present study itis demonstrated that the approach typically gives better stability robustnesscomparing with the Ziegler-Nichols' method. The method is relatively simpleto use which is beneficial for the user. A theoretical rationale based on second order dynamics is given. %K PI controller %K tuning %K simple %K closed-loop %K Ziegler-Nichols %K Good Gain %K performance %K IAE %K stability robustness %K gain margin %U http://www.mic-journal.no/PDF/2012/MIC-2012-4-3.pdf