<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Reliability and safety of an electro-hydraulic position servo system (EHPSS) can be greatly reduced for potential sensor and actuator faults. This paper proposes a novel reconfiguration control (RC) scheme that combines multi-model and adaptive control to compensate for the adverse effects. Such a design includes several fixed models, one adaptive model, and one reinitialized adaptive model. Each of the models has its own independent controller that is based on a complete parametrization of the corresponding fault. A proper switching mechanism is set up to select the most appropriate controller to control the current plant. The system output can track the reference model asymptotically using the proposed method. Simulation results validate robustness and effectiveness of the proposed scheme. The main contribution is a reconfiguration control method that can handle component faults and maintain the acceptable performance of the EHPSS.</p>
</abstract>

Reliability and safety of an electro-hydraulic position servo system (EHPSS) can be greatly reduced for potential sensor and actuator faults. This paper proposes a novel reconfiguration control (RC) scheme that combines multi-model and adaptive control to compensate for the adverse effects. Such a design includes several fixed models, one adaptive model, and one reinitialized adaptive model. Each of the models has its own independent controller that is based on a complete parametrization of the corresponding fault. A proper switching mechanism is set up to select the most appropriate controller to control the current plant. The system output can track the reference model asymptotically using the proposed method. Simulation results validate robustness and effectiveness of the proposed scheme. The main contribution is a reconfiguration control method that can handle component faults and maintain the acceptable performance of the EHPSS.

A Multi–Model Based Adaptive Reconfiguration Control Scheme for an Electro–Hydraulic Position Servo System

Nanjing University of Aeronautics and Astronautics

Electronic Engineering Department, Aviation Key Laboratory of Science and Technology on Aero Electromechanical System Integration

International Journal of Applied Mathematics and Computer Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Reliability and safety of an electro-hydraulic position servo system (EHPSS) can be greatly reduced for potential sensor and actuator faults. This paper...

A Multi–Model Based Adaptive Reconfiguration Control Scheme for an Electro–Hydraulic Position Servo System

Publié en ligne: 04 juil. 2022

Pages: 185 - 196

Reçu: 24 mai 2021

Accepté: 28 sept. 2021

DOI: https://doi.org/10.34768/amcs-2022-0014

Mots clés
fault tolerant control, electro-hydraulic position servo system, multiple models, adaptive control, reconfiguration control

© 2022 Zhao Zhang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A Multi–Model Based Adaptive Reconfiguration Control Scheme for an Electro–Hydraulic Position Servo System

Publié en ligne: 04 juil. 2022

Pages: 185 - 196

Reçu: 24 mai 2021

Accepté: 28 sept. 2021

DOI: https://doi.org/10.34768/amcs-2022-0014

Mots clésfault tolerant control, electro-hydraulic position servo system, multiple models, adaptive control, reconfiguration control

© 2022 Zhao Zhang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
fault tolerant control, electro-hydraulic position servo system, multiple models, adaptive control, reconfiguration control