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A simple scheduled anti-windup technique

A simple scheduled anti-windup technique
A simple scheduled anti-windup technique

This paper presents a gain scheduled, full-order, anti-windup compensation strategy for LTI systems. The paper makes two contributions. Firstly it shows that, given two point-design anti-windup compensators with differing performance levels and associated regions of attraction, it is possible to interpolate between them to generate a family of compensators with intermediate performance levels and regions of attraction. Secondly, it is shown how this family of compensators can be used to construct a gain-scheduled anti-windup compensator that guarantees stability of the closed-loop system providing the initial states of the system are contained within a certain positively invariant set. The resulting gain scheduled anti-windup compensator is simple to construct and straightforward to implement. The effectiveness of the proposed technique is shown through a simulation example.

Constrained control, Robust control
2977-2982
Institute of Electrical and Electronics Engineers Inc.
Sofrony, Jorge
20f54d8e-0d5f-4a8a-be1e-61f4052f30ff
Turner, Matthew C.
6befa01e-0045-4806-9c91-a107c53acba0
Sofrony, Jorge
20f54d8e-0d5f-4a8a-be1e-61f4052f30ff
Turner, Matthew C.
6befa01e-0045-4806-9c91-a107c53acba0

Sofrony, Jorge and Turner, Matthew C. (2014) A simple scheduled anti-windup technique. In 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc. pp. 2977-2982 . (doi:10.1109/ACC.2014.6858729).

Record type: Conference or Workshop Item (Paper)

Abstract

This paper presents a gain scheduled, full-order, anti-windup compensation strategy for LTI systems. The paper makes two contributions. Firstly it shows that, given two point-design anti-windup compensators with differing performance levels and associated regions of attraction, it is possible to interpolate between them to generate a family of compensators with intermediate performance levels and regions of attraction. Secondly, it is shown how this family of compensators can be used to construct a gain-scheduled anti-windup compensator that guarantees stability of the closed-loop system providing the initial states of the system are contained within a certain positively invariant set. The resulting gain scheduled anti-windup compensator is simple to construct and straightforward to implement. The effectiveness of the proposed technique is shown through a simulation example.

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More information

Published date: July 2014
Venue - Dates: 2014 American Control Conference, ACC 2014, , Portland, OR, United States, 2014-06-04 - 2014-06-06
Keywords: Constrained control, Robust control

Identifiers

Local EPrints ID: 439239
URI: http://eprints.soton.ac.uk/id/eprint/439239
PURE UUID: 7fa2e60e-7c47-474b-86a0-9333dea531c4

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Date deposited: 07 Apr 2020 16:31
Last modified: 18 Jan 2024 19:11

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Contributors

Author: Jorge Sofrony
Author: Matthew C. Turner

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