Anti-Disturbance Dynamic Surface Control for Air-Breathing Hypersonic Vehicles Based on NDO

This paper is concerned with the anti-disturbance dynamic surface controller (DSC) design for an air-breathing hypersonic vehicle (AHV) based on nonlinear disturbance observer (NDO). For the longitudinal model of AHV subjected to the high nonlinearity, the uncertain parameters and the varying distur...

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Bibliographic Details
Published in:IEEE access 2022, Vol.10, p.76913-76925
Main Authors: Li, Ouxun, Jiang, Ju, Deng, Li, Huang, Shutong
Format: Article
Language:English
Subjects:
Adaptation models
Air-breathing hypersonic vehicle
anti-disturbance
Atmospheric modeling
Backstepping
Control systems design
Controllers
Disturbance observers
dynamic surface control
Feedback linearization
Hyperbolic functions
Hypersonic vehicles
Mathematical models
nonlinear disturbance observer
Nonlinearity
Parameter uncertainty
Trigonometric functions
Uncertainty
Vehicle dynamics
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Summary:This paper is concerned with the anti-disturbance dynamic surface controller (DSC) design for an air-breathing hypersonic vehicle (AHV) based on nonlinear disturbance observer (NDO). For the longitudinal model of AHV subjected to the high nonlinearity, the uncertain parameters and the varying disturbance, the feedback linearization method is employed considering the uncertain parameters. Then, a dynamic surface controller is designed based on the inverse hyperbolic sine function to solve the problem of "explosion of terms" in the traditional backstepping control. Furthermore, in order to enhance the disturbance rejection ability, a novel NDO is designed to estimate the model uncertainties and external disturbances. Finally, the simulation results verify the superior tracking performance of the proposed control strategy.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2022.3193255