Direct adaptive type-2 fuzzy logic control of a generic hypersonic flight vehicle

A direct adaptive type-2 fuzzy logic controller is designed in this paper. The longitudinal dynamics of a generic hypersonic flight vehicle is high-order, highly nonlinear, tight coupling and most of all includes big uncertainties. The computing of the dynamic inversion control signal is cost ineffe...

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Bibliographic Details
Main Authors: Fang Yang, Ruyi Yuan, Jianqiang Yi, Guoliang Fan, Xiangmin Tan
Format: Conference Proceeding
Language:English
Subjects:
Adaptive systems
Approximation error
Fuzzy logic
Uncertainty
Vehicle dynamics
Vehicles
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Summary:A direct adaptive type-2 fuzzy logic controller is designed in this paper. The longitudinal dynamics of a generic hypersonic flight vehicle is high-order, highly nonlinear, tight coupling and most of all includes big uncertainties. The computing of the dynamic inversion control signal is cost ineffective and an adaptive interval type-2 fuzzy logic system is used to approximate it. A H ∞ controller is implemented in order to attenuate the fuzzy approximation error and the system uncertainty. Signals' high-order derivatives are obtained by tracking differentiators and nonlinear state observers. The closed-loop stability is guaranteed by Lyapunov theory. Simulation results validate the effectiveness and robustness of the proposed controller.
DOI:10.1109/ICICIP.2013.6568142