A multi-model based adaptive reconfiguration control scheme for an electro-hydraulic position servo system

• Autorzy: Zhang Zhao , Yang Zhong , Liu Shuchang , Chen Shuang , Zhang Xiaokai

Identyfikatory

DOI

10.34768/amcs-2022-0014

• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

fault tolerant control; electro hydraulic position; servo system; multiple model; adaptive control; reconfiguration control

PL

sterowanie tolerujące uszkodzenia; serwomechanizm; sterowanie adaptacyjne

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mathematics and Computer Science
• Rocznik: 2022
• Tom: Vol. 32, no. 2
• Strony: 185--196
• Opis fizyczny: Bibliogr. 39 poz., rys., tab., wykr.

Twórcy

autor

Zhang Zhao

• Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 3888 Dongnanhu Road, Erdao District, Changchun 130033, China; College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, 29 Jiangjun Ave., Jiangning District, Nanjing 211100, China

autor

Yang Zhong

• College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, 29 Jiangjun Ave., Jiangning District, Nanjing 211100, China

autor

Liu Shuchang

• College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, 29 Jiangjun Ave., Jiangning District, Nanjing 211100, China

autor

Chen Shuang

• Electronic Engineering Department, Aviation Key Laboratory of Science and Technology on Aero Electromechanical System Integration, 33 Shuige Road, Jiangning District, Nanjing 211100, China

autor

Zhang Xiaokai

• Electronic Engineering Department, Aviation Key Laboratory of Science and Technology on Aero Electromechanical System Integration, 33 Shuige Road, Jiangning District, Nanjing 211100, China

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