A sliding mode terminal guidance strategy is developed for an unpowered reusable launch vehicle (RLV) during the terminal area energy management (TAEM) phase. The main idea is to use the finite-time reaching phase of the sliding mode method to solve the three-dimensional (3D) guidance problem with multiple flight constraints. Firstly, the mathematical model of a RLV in the altitude domain is provided, based on which a new sliding surface is constructed to account for multiple constraints on terminal conditions and dynamic pressure profile. Subsequently, a second-order sliding mode guidance law is constructed to ensure the reaching of the sliding surface at a specific altitude. Finally, the effectiveness of the proposed guidance strategy in both nominal case and the case of bank limitations is illustrated by the numerical simulations.


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    Title :

    Sliding Mode Guidance for 3D Gliding Motions with Bank Limitations


    Contributors:
    Mu, Lingxia (author) / Yu, Xiang (author) / Wang, Ban (author) / Zhang, Youmin (author) / Wang, Xinmin (author) / Li, Ping (author)


    Publication date :

    2018-08-01


    Size :

    303140 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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