The invention discloses a vehicle steering wheel automatic returning method and system. The method comprises the steps that when a vehicle body controller obtains a signal representing that a hand brake of a vehicle is started, an ignition state signal, a gear state signal and a vehicle speed signal of the vehicle are obtained, and whether the following conditions are met at the same time or not is judged based on the obtained signal: the ignition state of the vehicle is a non-power-off state, the gear state is a P gear, and the vehicle speed is zero; when the conditions are met at the same time, a request signal for requesting a steering wheel to return to an original position is sent to EPS of the vehicle; the EPS collects a steering wheel rotating angle signal of the vehicle and judgeswhether a rotating angle of the steering wheel is within the first rotating angle range or not according to the steering wheel rotating angle signal; and if not, a steering motor is driven to drive the steering wheel of the vehicle to rotate so that the steering wheel returns. According to the vehicle steering wheel automatic returning method and system, the steering wheel of the vehicle can be reliably and safely return after the vehicle is parked, use is very convenient, and use experience of a user is improved.

    本发明公开了一种车辆的方向盘自动归位方法及系统。该方法包括:车身控制器获取表征车辆手刹已开启的信号时,获取车辆的点火状态信号、档位状态信号及车速信号,并基于获取的信号判断是否同时满足以下条件:车辆的点火状态为非下电状态、档位状态为P档、车速为零;在同时满足上述条件时,向车辆的EPS发出请求方向盘归位的请求信号;EPS采集车辆的方向盘转角信号,并据此判断方向盘的转角是否处于第一转角范围内,若否则驱动转向电机带动车辆的方向盘转动,从而使得方向盘归位。根据本发明的车辆的方向盘自动归位方法及系统,能够可靠、安全地实现车辆在停车后的方向盘自动归位,使用非常便捷,改善了用户的使用体验。


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    Titel :

    Vehicle steering wheel automatic returning method and system


    Weitere Titelangaben:

    车辆的方向盘自动归位方法及系统


    Beteiligte:
    ZHANG SHENGBO (Autor:in)

    Erscheinungsdatum :

    2020-10-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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