Actuator fault tolerance in control systems with predictive constrained set-point optimizers

Marusak, Piotr M.; Tatjewski, Piotr

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Title: Actuator fault tolerance in control systems with predictive constrained set-point optimizers

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AMCS, volume 18 (2008)

Abstract:

Mechanisms of fault tolerance to actuator faults in a control structure with a predictive constrained set-point optimizer are proposed. The structure considered consists of a basic feedback control layer and a local supervisory set-point optimizer which executes as frequently as the feedback controllers do with the aim to recalculate the set-points both for constraint feasibility and economic performance. ; The main goal of the presented reconfiguration mechanisms activated in response to an actuator blockade is to continue the operation of the control system with the fault, until it is fixed. This may be even long-term, if additional manipulated variables are available. The mechanisms are relatively simple and consist in the reconfiguration of the model structure and the introduction of appropriate constraints into the optimization problem of the optimizer, thus not affecting the numerical effectiveness. Simulation results of the presented control system for a multivariable plant are provided, illustrating the efficiency of the proposed approach.

Publisher:

Zielona Góra: Uniwersytet Zielonogórski

Resource Identifier:

oai:zbc.uz.zgora.pl:78740

DOI:

10.2478/v10006-008-0047-2

Pages:

539-551

Source:

AMCS, volume 18, number 4 (2008) ; click here to follow the link

Language:

eng

Rights:

Biblioteka Uniwersytetu Zielonogórskiego

Subject and keywords:

fault-tolerant control model predictive control set-point optimization nonlinear systems

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Digital Library of Zielona Góra > Repository > Faculties > Faculty of Computer, Electrical and Control Engineering

Digital Library of Zielona Góra > Repository > Types of work > Articles

Digital Library of Zielona Góra > Repository > Scientific journals and UZ publishing series > International Journal of Applied Mathematics and Computer Science (AMCS) > International Journal of Applied Mathematics and Computer Science (AMCS) (2008)

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Nov 5, 2024

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Apr 8, 2024

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https://zbc.uz.zgora.pl/publication/88512

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International Journal of Applied Mathematics and Computer Science (AMCS)

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Actuator fault tolerance in control systems with predictive constrained set-point optimizers	Nov 5, 2024

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