Anticipatory Anti-Windup: An Alternative Construction

Matthew C Turner, Jorge Sofrony, Guido Herrmann

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

4 Citations (Scopus)


Anticipatory anti-windup compensation involves activation of the anti-windup compensator before the physical saturation limits on the control signals are reached; the antiwindup compensator is activated in anticipation of actuator
saturation occurring. Existing studies, which have used a pseudo-LPV representation for compensator synthesis, have proposed convex but somewhat complicated and opaque synthesis routines. This paper offers an alternative method of synthesising anticipatory anti-windup compensators, involving
the exploitation of a “non-square” sector condition associated with a combination of deadzone nonlinearities. This method leads to an anticipatory compensator synthesis routine which is close to that associated with standard immediately activated anti-windup compensators. A numerical example and comments on the use of anticipatory anti-windup are also given.
Original languageEnglish
Title of host publicationProceedings of the 2014 American Control Conference
Publication statusPublished - 4 Jun 2014


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