This paper proposes a convex programming method to design midcourse trajectory for intercepting a missile during the boost phase. The intercept scenario consists of an air-launched interceptor and a three-stage missile. Dynamics models of interceptor and target are established respectively. The specific constraints in boost phase intercept are analyzed and considered in the model. The trajectory design is solved as a convex programming problem. Based on model predictive theory, nonlinear dynamics equations can be translated into the relation between state increments and input corrections. The relation can be considered as a linear equal constraint. And the flight constraints are processed to satisfy convex form via linear approximations. A cost function which can optimize the control effort and smooth commands is selected to develop a complete convex programming framework. The influence of different initial values on the programming results is analyzed. Finally, numerical simulations have demonstrated the effectiveness of the midcourse trajectory design method proposed.


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    Title :

    Design of Midcourse Trajectory for Boost Phase Interception


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Yan, Liang (editor) / Duan, Haibin (editor) / Yu, Xiang (editor) / Yang, Biao (author) / Jing, Wuxing (author) / Gao, Changsheng (author)


    Publication date :

    2021-10-30


    Size :

    12 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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