Integrated Fault Detection and Fault Tolerant Control for Morphing Aircraft

doi:10.3969/j.issn.1000-1093.2017.04.012

Abstract

Abstract: Considering the state delay and missing measurements in the network environment, the closed-loop fault detection for the morphing aircrafts with alterable sweep wings is investigated based on the switched system theory. The morphing aircraft is modeled as switched system which takes the altitude, Mach and wing sweep angle as parameters. Based on the integrated design method, the mode-dependent observer-based filter and the state estimation feedback controller are derived to ensure that the fault signal can be detected efficiently and the output can track the command signal accurately. The stability of the system is guaranteed by Lyapunov-Krasovskii functional method and average dwell time method. The sufficient existing conditions of filter and controller are given in the form of linear matrix inequalities (LMI). The simulated results show that the proposed method can detect the fault signal efficiently, the output can be used to track the command signal, and the system is robust to parameter uncertainties. Key

Key words: ordnancescienceandtechnology, morphingaircraft, faultdetection, faulttolerantcontrol, asynchronousswitching

CLC Number:

V249.121

CHENG Hao-yu, DONG Chao-yang, JIANG Wei-lai, WANG Qing, SUI Han. Integrated Fault Detection and Fault Tolerant Control for Morphing Aircraft[J]. Acta Armamentarii, 2017, 38(4): 711-721.

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第38卷
第4期2017 年4月兵工学报ACTA
ARMAMENTARIIVol.38No.4Apr.2017

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