Low-gain Integral Control for Multi-Input, Multi-Output Linear Systems with Input Nonlinearities

Christopher Guiver, Hartmut Logemann, Stuart Townley

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
117 Downloads (Pure)

Abstract

We consider the inclusion of a static anti-windup component in a continuous-time low-gain integral controller in feedback with a multi-input multi-output stable linear system subject to an input nonlinearity (from a class of functions that includes componentwise diagonal saturation). We demonstrate that the output of the closed- loop system asymptotically tracks every constant reference vector which is “feasible” in a natural sense, provided that the integrator gain is sufficiently small. Robustness properties of the proposed control scheme are investigated and three examples are discussed in detail.
Original languageEnglish
Article number7953659
Pages (from-to)4776 - 4783
JournalIEEE Transactions on Automatic Control
Volume62
Issue number9
Early online date20 Jun 2017
DOIs
Publication statusPublished - 1 Sep 2017

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