Dr Chris Guiver C.Guiver@napier.ac.uk
Lecturer
Simple adaptive control for positive linear systems with applications to pest management
Guiver, Chris; Edholm, Christina; Jin, Yu; Mueller, Markus; Powell, Jim; Rebarber, Richard; Tenhumberg, Brigitte; Townley, Stuart
Authors
Christina Edholm
Yu Jin
Markus Mueller
Jim Powell
Richard Rebarber
Brigitte Tenhumberg
Stuart Townley
Abstract
Pest management is vitally important for modern arable farming, but models for pest species are often highly uncertain. In the context of pest management, control actions are naturally described by a nonlinear feedback that is generally unknown, which thus motivates a robust control approach. We argue that adaptive approaches are well suited for the management of pests and propose a simple high-gain adaptive tuning mechanism so that the nonlinear feedback achieves exponential stabilization. Furthermore, a switched adaptive controller is proposed, cycling through a set of given control actions, that also achieves global asymptotic stability. Such a model in practice allows for the possibility of rotating between different courses of management action. In developing our control strategies we appeal to comparison and monotonicity arguments. Interestingly, componentwise nonnegativity of the model, combined with an irreducibility assumption, implies that several issues typically associated with high-gain adaptive controllers do not arise and usual high-gain structural assumptions are not required.
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 19, 2015 |
Publication Date | 2016-02 |
Deposit Date | Jul 23, 2020 |
Publicly Available Date | Aug 5, 2020 |
Journal | SIAM Journal on Applied Mathematics |
Print ISSN | 0036-1399 |
Publisher | Society for Industrial and Applied Mathematics |
Peer Reviewed | Peer Reviewed |
Volume | 76 |
Issue | 1 |
Pages | 238-275 |
DOI | https://doi.org/10.1137/140996926 |
Keywords | Adaptive control, High-gain control, Pest management, Positive state linear system |
Public URL | http://researchrepository.napier.ac.uk/Output/2677330 |
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Simple Adaptive Control for Positive Linear Systems with Applications to Pest Management
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Copyright Statement
(c) 2016 SIAM. Published by SIAM under the terms of the Creative Commons 4.0 license
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