TRACKING AND DISTURBANCE REJECTION OF MIMO NONLINEAR SYSTEMS WITH PI CONTROLLER.

C. A. Desoer*, Ching-An Lin

*Corresponding author for this work

Research output: Contribution to journalConference article

Abstract

The authors study tracking and disturbance rejection of a class of nonlinear time-invariant systems with proportional plus integral (PI) compensator. The basic assumptions on the plant--exponential stability and monotonicity of the dc steady-state input-output map--are satisfied by typical chemical process (with appropriate choices of inputs and outputs). It is shown that, for a large class of nonlinear plants, a simple PI controller (which is commonly used in process control) can be used to achieve a stable unity-feedback closed-loop system which asymptotically tracks reference inputs that tend to constant vectors and asymptotically rejects disturbances which tend to constant vectors.

Original languageEnglish
Pages (from-to)1596-1599
Number of pages4
JournalProceedings of the American Control Conference
DOIs
StatePublished - 1 Dec 1985

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