A Co-simulation Method of Inserted Separation and Stabilization Control for Hypersonic Vehicle
The hypersonic vehicle needs to separate from the booster stage in an environment with low altitude and high dynamic pressure.The current prediction of separation and attitude control based on limit deviation method is not real enough and the design is heavily redundant.For inserted separation with long stroke and small gap,the collision detection of two stages cannot be carried out during the attitude control design process.To solve the above problems,a coupling calculating method of separation and attitude control is proposed,which introduces the attitude control model into separation dynamic model.Design redundancy is reduced and the level of refine is improved.Also,collision detection can be realized in the whole process,providing support for ensuring the safety of the separation and attitude control process.The method provides a basis for the time to start attitude control of the upper stage,and has guiding significance for optimization design of separation time sequence.
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