IMPLICATIONS OF INTERNAL MODEL CONTROL FOR PID CONTROLLERS.

Manfred Morari, Sigurd Skogestad, Daniel Rivera

Research output: Chapter in Book/Report/Conference proceedingConference contribution

18 Scopus citations

Abstract

For a large number of single input-single output (SISO) typically used in the process industries the Internal Model Control (IMC) design procedure is shown to lead to PID controllers, occasionally augmented with a first order lag. These PID controllers have as their only tuning parameter the closed loop time constant or equivalently, the closed loop bandwidth. On-line adjustments are therefore simpler than for general PID controllers. As a special case, PID tuning rules for systems modeled by a first-order lag with deadtime are derived analytically. The superiority of these rules in terms of both closed loop performance and robustness is demonstrated.

Original languageEnglish (US)
Title of host publicationProceedings of the American Control Conference
PublisherIEEE
Pages661-666
Number of pages6
Volume2
StatePublished - 1984
Externally publishedYes

ASJC Scopus subject areas

  • Control and Systems Engineering

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  • Cite this

    Morari, M., Skogestad, S., & Rivera, D. (1984). IMPLICATIONS OF INTERNAL MODEL CONTROL FOR PID CONTROLLERS. In Proceedings of the American Control Conference (Vol. 2, pp. 661-666). IEEE.