The invention discloses an electric hydraulic steering system and an electric hydraulic steering method of an electric vehicle, wherein the electric hydraulic steering system comprises the components of a whole-vehicle high-voltage power distribution module; an electric hydraulic steering pump; a hydraulic power steering machine which is connected with the electric hydraulic steering pump; a steering executing mechanism which is connected with the hydraulic power steering machine; an electric hydraulic steering pump controller which is connected with the electric hydraulic steering pump and controls the electric hydraulic steering pump, wherein the electric hydraulic steering pump controller is used for entering an operation state according to a received wakeup signal and generating a corresponding control signal according to a received vehicle speed signal; and a whole-vehicle controller which is connected with the electric hydraulic steering pump controller, wherein the whole-vehicle controller generates the wakeup signal according to the state of an ignition switch and a vehicle charging state and transmits the vehicle speed signal to the electric hydraulic steering pump controller. According to the electric hydraulic steering system and the electric hydraulic steering method of the electric vehicle provided by an embodiment of the invention, an enough steering assisting power can be supplied for the electric vehicle with a relatively large mass and a relatively large load, thereby helping a driver to easily control the vehicle.


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    Title :

    Electric hydraulic steering system and electric hydraulic steering method of electric vehicle


    Contributors:
    ZHANG GUODANG (author) / XU TENGDA (author) / LI GUOHONG (author) / LI YUJUN (author)

    Publication date :

    2015-12-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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