This paper presents an analytical zero-effort-miss (ZEM)/zero-effort-velocity (ZEV) feedback guidance algorithm using the Levi-Civita transformation, where the ZEM and ZEV vectors can be determined explicitly instead of numerical integration or any propagators. In each guidance cycle, the states of the spacecraft and target are first transformed into Levi-Civita coordinate, the optimal time-to-go is then computed through the Newton–Raphson method and the ZEM/ZEV vectors are determined explicitly, the optimal control inputs are finally transformed back into cartesian coordinate. The effectiveness of the proposed method is demonstrated using a missile intercept and a head-on collision intercept problem.


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    Title :

    Analytical ZEM/ZEV Feedback Guidance Algorithm Using Levi-Civita Transformation


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Yan, Liang (editor) / Duan, Haibin (editor) / Yu, Xiang (editor) / Ma, Yangyang (author) / He, Yanfeng (author) / Hu, Renyi (author) / Pan, Binfeng (author) / Chen, Ping (author) / Shi, Linan (author) / Zhang, Jie (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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