The invention discloses a new energy automobile driving control method and system and a new energy automobile. The method comprises the steps that a steep slope slow descent function starting request is obtained; acquiring current automobile driving data, judging whether the current driving data meets the abrupt slope slow descent function starting request or not according to the driving data, and activating the abrupt slope slow descent function starting request if the current driving data meets the abrupt slope slow descent function starting request; acquiring current automobile running state data, and selecting an abrupt slope slow descent scheme suitable for the current running state according to the running state data; if the steep slope slow descent scheme suitable for the current running state is the energy recovery scheme, the vehicle control unit sends an energy recovery request to a motor controller, and the motor controller controls a motor to send out energy recovery negative torque so as to control the vehicle speed; and if the abrupt slope slow descent scheme suitable for the current running state is an active short circuit request scheme, the vehicle control unit sends an active short circuit request to a motor controller, and the motor controller controls a motor to send an active short circuit braking torque so as to control the vehicle speed.

    本发明公开了新能源汽车行驶控制方法、系统及新能源汽车,所述方法包括:获取陡坡缓降功能开启请求;获取当前汽车行驶数据,根据行驶数据,判断当前行驶数据是否满足陡坡缓降功能开启请求,如果满足,则激活陡坡缓降功能开启请求;获取当前汽车运行状态数据,根据运行状态数据,选择适用于当前运行状态的陡坡缓降方案;如果适用于当前运行状态的陡坡缓降方案是能量回收方案,则整车控制器向电机控制器发出能量回收请求,电机控制器控制电机发出能量回收负扭矩,以控制车速;如果适用于当前运行状态的陡坡缓降方案是主动短路请求方案,则整车控制器向电机控制器发出主动短路请求,电机控制器控制电机发出主动短路制动扭矩,以控制车速。


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    Title :

    New energy automobile driving control method and system and new energy automobile


    Additional title:

    新能源汽车行驶控制方法、系统及新能源汽车


    Contributors:
    HUANG YI (author) / LIU CHANGWEI (author) / XIA RUI (author) / DENG JINMING (author) / WU SUMING (author)

    Publication date :

    2023-09-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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