Civil aircraft with electric taxi systems use traction motors to rotate their wheels to move on the ground. When these aircrafts land on a runway, they are able to prerotate main wheels to reduce longitudinal forces applied on the wheels by the runway. To analyze the longitudinal forces, a new rigid-flex coupling prototype model was established. The new model consists of an aircraft body with six degree-of-freedom flexible landing struts and powered main wheels. Based on the new model, landing simulations were performed to analyze the dynamic responses of the powered main wheels. The dynamic responses included spin-up and spring back of the wheels, which were caused by extreme spin-up and spring back drag loads. The extreme loads applied on tires under three landing conditions were obtained and compared. After landing simulations, ground taxiing simulations were performed to analyze the dynamic responses of the powered main wheels. In the ground taxiing simulations, the aircraft movement was driven by the powered main wheels instead of by the main engines. Through the simulations of the powered main wheels, three conclusions were obtained: the prerotation of the powered main wheel decreases the spin-up and spring back drag loads; the rigid-flex coupling prototype model caused more vibration of the longitudinal forces; and adopting the powered main wheels for turning results in a smaller turning radius than using the main engines.


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    Titel :

    Main Wheel Prerotation and Ground Taxi Driven by Electric Taxi System


    Beteiligte:
    Huang, Mingyang (Autor:in) / Ochieng, Washington Yotto (Autor:in) / Nie, Hong (Autor:in) / Zhang, Ming (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2019-08-06




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt



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