The invention discloses a double-more electric power-assisted steering system and a power-assisted steering method thereof. A first steering shaft is connected under a steering wheel in the system and is connected with a second steering shaft through a universal joint. A steering wheel torque turning angle sensor is arranged under the steering wheel and used for acquiring torque and turning angle signals of the steering wheel in real time. A first power-assisted motor and a second power-assisted motor are connected through a first torque coupler in parallel, and a first electromagnetic clutch is connected between the second power-assisted motor and the first electromagnetic clutch. The output end of the first torque coupler is connected with the second steering shaft through a second torque coupler in parallel. The output end of the second torque coupler is connected with a steering gear through a third steering shaft. The double-more electric power-assisted steering system is provided with two power-assisted motors connected through the torque couplers so as to control the single power-assisted motor or the two power-assisted motors to simultaneously output torque according to required power-assisted torque and meets the large-torque demands of commercial passenger cars and the like, the fuel economy of commercial vehicles is improved, and operation cost is reduced.


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    Titel :

    Double-more electric power-assisted steering system and power-assisted steering method thereof


    Beteiligte:
    LI YAOHUA (Autor:in) / ZHAO WENLIANG (Autor:in) / JIAO SEN (Autor:in)

    Erscheinungsdatum :

    22.04.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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