Positive μ modification as an anti-windup mechanism
Positive μ modification as an anti-windup mechanism
This paper proposes a simple anti-windup mechanism for a model reference adaptive control scheme subject to saturation constraints. The anti-windup compensator has, in essence, the same structure as positive μ modification for the same class of systems. It is shown how this structure can, under certain circumstances, display characteristics similar to anti-windup schemes proposed for linear control systems. In particular, it is shown that if the (unknown) ideal control signal eventually lies within the control constraints, then the response of the adaptive control system will converge to that of the reference system—provided certain conditions are satisfied. The paper illustrates the challenge of designing anti-windup compensators for model-reference adaptive control systems.
Adaptive control, Anti-windup, Saturation
15-21
Turner, Matthew C.
6befa01e-0045-4806-9c91-a107c53acba0
1 April 2017
Turner, Matthew C.
6befa01e-0045-4806-9c91-a107c53acba0
Abstract
This paper proposes a simple anti-windup mechanism for a model reference adaptive control scheme subject to saturation constraints. The anti-windup compensator has, in essence, the same structure as positive μ modification for the same class of systems. It is shown how this structure can, under certain circumstances, display characteristics similar to anti-windup schemes proposed for linear control systems. In particular, it is shown that if the (unknown) ideal control signal eventually lies within the control constraints, then the response of the adaptive control system will converge to that of the reference system—provided certain conditions are satisfied. The paper illustrates the challenge of designing anti-windup compensators for model-reference adaptive control systems.
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Accepted/In Press date: 14 January 2017
e-pub ahead of print date: 7 February 2017
Published date: 1 April 2017
Keywords:
Adaptive control, Anti-windup, Saturation
Identifiers
Local EPrints ID: 439019
URI: http://eprints.soton.ac.uk/id/eprint/439019
ISSN: 0167-6911
PURE UUID: 3327f0d8-379b-4754-87db-c31a6fc2c98d
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Date deposited: 01 Apr 2020 16:31
Last modified: 05 Jun 2024 17:54
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Author:
Matthew C. Turner
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