Electrified aircraft powertrains contain multiple interacting subsystems, making them much more complex than traditional aircraft propulsion systems in terms of integration and control. Electrification enables aircraft to have distributed thrust-producing fans that the flight control system can leverage for enhanced maneuverability, further increasing the control complexity. A NASA concept aircraft, the SUbsonic Single Aft eNgine (SUSAN) Electrofan, is such a vehicle. SUSAN is a series/parallel partial hybrid-electric single-aisle transport aircraft that takes advantage of its electrified powertrain to provide fuel burn and emissions benefits when compared to the state-of-the-art. Achieving these benefits requires an appropriately designed control architecture that coordinates the various powertrain and flight control subsystems. As such, the SUSAN aircraft is designed with a high level of automation, allowing it to properly manage coupled subsystems and react rapidly to failures and anomalies. To do this effectively, algorithms that perform component health management, fault detection, isolation, and accommodation, and continuous optimization, must be developed and implemented. This paper describes the development of some of these algorithms for system health management applied to the powertrain of the SUSAN concept aircraft.


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    Titel :

    System Health Management for a Series/Parallel Partial Hybrid Powertrain with Distributed Electric Propulsion


    Beteiligte:
    J. S. Litt (Autor:in) / J. J. Sachs-Wetstone (Autor:in) / H. E. Buescher (Autor:in) / T. S. Sowers (Autor:in) / A. K. Owen (Autor:in) / K. C. Wu (Autor:in) / F. Zheng (Autor:in) / J. K. Tierney (Autor:in)

    Erscheinungsdatum :

    2023


    Format / Umfang :

    10 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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