Abstract
The dynamics of flexible air-breathing hypersonic vehicles (FAHVs) are nonlinear non-minimum, so the internal dynamics of FAHVs is unstable. The traditional dynamic inversion method is unsuitable for the control of FAHVs. Stable inversion method proposes an efficient way for the control of nonlinear nonminimum system, so a stable inversion based sliding mode control (SMC) method is proposed for the tracking control of FAHVs in this paper. After computing the ideal internal dynamics (IID), the output tracking problem is transformed into a state tracking one. A sliding mode control strategy is designed to guaranteed the closed-loop stability. Finally, simulations are given to show the effectiveness of the proposed control methods.
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