Concerning the configuration issue of moving-mass in high-mass-ratio hypersonic vehicles, this article proposes a single moving-mass roll and trim control (MMRTC) hypersonic vehicle and presents an optimization methodology for moving-mass parameters based on the uncontrollable state variable. First, an eight-degree-of-freedom dynamic model of the vehicle is established, and then the impact of the moving-mass dynamic characteristics on the vehicle is analyzed to simplify the vehicle's attitude model. Second, the degree of controllability (DOC) is employed to quantify the vehicle's attitude control capabilities under various moving-mass parameters. Based on the DOC, the uncontrollable state and the uncontrollable state variable are introduced to characterize the vehicle's control capacity ceiling. And a methodology to enhance vehicle's DOC predicated on the uncontrollable state variable, along with the moving-mass parameter optimization design methodology, is presented. Finally, this methodology is applied to the optimization design of the moving-mass deflection angles for single MMRTC hypersonic vehicle conceived in this article. Consequently, the moving-mass deflection angles that maximize the vehicle's attitude DOC is determined, and a theoretical analysis of the optimized moving-mass deflection angles is conducted to validate the rationality of the moving-mass parameter optimization methodology.


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    Titel :

    Dynamics and Moving-Mass Parameter Design of Single Moving-Mass Roll and Trim Control Hypersonic Vehicle


    Beteiligte:
    Du, Qingfeng (Autor:in) / Hu, Yudong (Autor:in) / Jing, Wuxing (Autor:in) / Gao, Changsheng (Autor:in)


    Erscheinungsdatum :

    01.04.2025


    Format / Umfang :

    2427108 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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