Anti-windup compensator design using Riccati inequality based approach⁎. Issue 1 (2018)

• Record Type: Journal Article
• Authors: Ghosh, Triparna; Bhowmick, Parijat; Patra, Sourav
• Is Part Of: IFAC-PapersOnLine. Volume 51:Issue 1(2018)
• Page Start: 615
• Page End: 620
• Publication Date: 2018
• Subjects: Anti-windup compensation -- Riccati inequality -- L2-gain -- Lyapunov stability -- LMI; Automatic control -- Periodicals; 629.805
• DOI: 10.1016/j.ifacol.2018.05.103
• Languages: English
• ISSNs: 2405-8963

Abstract

Abstract: This paper presents a full-order dynamic anti-windup compensation design scheme for stable LTI systems using a Riccati inequality based approach. The scheme utilizes the Weston-Postlethwaite's generalized anti-windup configuration and applies right coprime factorization of the plant transfer function matrix to obtain a linear conditioning scheme. The proposed anti-windup scheme ensures the internal stability of the closed-loop control system in presence of actuator saturation and also reduces the performance degradation caused by the saturation phenomena. The Riccati inequality based approach offers a simple and straightforward anti-windup compensator design method which is independent of the design of nominal controller. The effectiveness of the proposed technique is demonstrated through a MIMO example.