A real-time three-dimensional constrained trajectory prediction method for Hypersonic Glide Vehicle based on 3-D flight corridor is developed in this paper. The approach uses a 3-D profile which is constrained by the well-known Quasi-Equilibrium Glide Condition to predict the whole trajectory online. The trajectory prediction is done by solving a reduce-order systems of differential equations in the redefined coordinate frame using a semi-analytical algorithm. The earth rotation angular speed is regarded as a system deviation which is countervailed in the latter calculation. The effectiveness and the efficiency of this algorithm is demonstrated by being compared with a high-precision numerical method. The algorithm is able to predict a whole trajectory in about 0.01 to 0.02 seconds on a personal computer.
Real-time Trajectory prediction for Hypersonic Glide Vehicle Based on 3-D Flight Corridor
2021-07-01
2168258 byte
Conference paper
Electronic Resource
English
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