Transient performance of servomechanisms
R. C. Lathrop, Dunstan Graham · Electrical Engineering · 1954
THE UTILITY of servomechanisms depends upon the speed, stability, and accuracy of their responses. In order to achieve the best performance, it is often expedient to employ, as a correction signal in addition to the error, either the derivative or the time integral of the error, or both. The servomechanism then is said to have derivative or integral control.