Flap-based steering systems on blunt-body entry vehicles may improve flight performance relative to heritage bank-angle steering systems. Successful implementation of articulating aerodynamic flaps on a hypersonic entry vehicle requires an active control system to map angle of attack and sidelip angle commands to flap deflection commands. Here, a successive-linearization model prective control algorithm, as a linear quadratic regulator, are formulated, designed, and assessed to address this multiple input multiple output control problem. These two control algorithms are assessed under uncertainty in Monte Carlo simulations for various control profiles and vehicle configurations. Results indicate that while both control algorithms provide successful command tracking under uncertainty, the model predictive controller provides a lower mean and integral error, as well as greater robustness, relative to the linear-quadratic regulator.


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    Titel :

    Assessment of Control Algorithms for Mars Entry Vehicles With Flap-Based Trajectory Control Under Uncertainty


    Beteiligte:
    D. L. Engel (Autor:in) / Z. R. Putnam (Autor:in) / S. Dutta (Autor:in)

    Erscheinungsdatum :

    2023


    Format / Umfang :

    24 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Assessment of Control Algorithms for Mars Entry Vehicles with Flap-Based Trajectory Control

    Engel, Daniel / Putnam, Zachary R. / Dutta, Soumyo | AIAA | 2024


    Control Algorithms for Flap-Based Mars Entry Systems

    D. L. Engel / Z. R. Putnam / S. Dutta | NTIS | 2023



    Mars entry trajectory robust optimization based on evidence under epistemic uncertainty

    Huang, Yuechen / Li, Haiyang / Du, Xin et al. | Elsevier | 2019


    Robust Optimization of Mars Entry Trajectory under Uncertainty (AIAA 2018-0721)

    Jiang, Xiuqiang / Li, Shuang | British Library Conference Proceedings | 2018