Abstract
The path constraints play determinative roles in the entry guidance, hence an aerodynamic model of Common Aero Vehicle (CAV) is established by means of CFD to facilitate the guidance. In the case that the attack angle profile is determined, the bank angle is the only parameter which can be used to control the trajectory in guidance. If the quasi-equilibrium glide condition (QEGC) is used, an entry flight corridor can be obtained by analyzing the path constraints in the entry guidance, and the corridor is transformed into the constraints of the bank angle for the convenience of designing the bank angle profile. Furthermore, a strong robust baseline predictor-corrector algorithm is presented to calculate the value of the bank angle in time. Simulations are provided to verify the effectiveness of the proposed method.
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