Aimed at the multi-objective guidance of the Common Aero Vehicle reentry, a hybrid guidance method was put forward which combined Standard trajectory guidance with predictor-corrector guidance. Analysis was done about the selection of guidance mode switching point. Standard trajectory guidance law was designed based on the fuzzy sliding mode control by the simplification of longitudinal kinematical equation. The longitudinal guidance law combined fuzzy approximation with state feedback was put forward, and the lateral guidance logic based on the horizontal parameters borders was designed at the same time. Considering the characteristics of predictor-corrector guidance based on energy, the longitudinal and lateral guidance law of the later period was designed with the adjustment of power angle. Simulation results improved the effectiveness of this scheme which could reach higher accuracy in a relatively short time and had a good real-time performance and adaptability also.
Hybrid guidance for Common Aero Vehicle equilibrium glide reentry with multi-constraints
01.11.2019
746036 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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