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This paper deals with the problem of modeling and control for the longitudinal motion of an air-breathing hypersonic vehicle (AHV). For a highly nonlinear, dynamically-coupled simulation model of an AHV, the corresponding linearized model is first formulated for the problem of control design. Then, by using a Lyapunov approach, the existence condition for the desired controller is presented for guaranteed...
This paper first develops the six degrees of freedom (DOF) nonlinear dynamic model of near space vehicle (NSV) in re-entry trajectory and analyzes its model characteristics and aerodynamic parameters, then the linear model is obtained using trim technique. The problem of fault estimation based on adaptive fault diagnosis observer is studied, which can achieve accurate estimation of fault and give...
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