The invention discloses a speed limit control method for a new energy automobile, which comprises the following steps: acquiring driving environment data including a road speed limit value and a road slope angle; driving operation information is obtained, wherein the driving operation information comprises a braking intention type; current driving indexes of the automobile are obtained, the current driving indexes comprise the battery charge state and automobile driving parameters, and the automobile driving parameters comprise the motor rotating speed, the current automobile speed, the driving gear, the accelerator pedal opening degree and the ABS state; according to the driving environment data, the driving operation information and the current driving index of the automobile, a brake torque value and a speed control interval are calculated, and a speed limiting control instruction is generated; and in combination with the dynamic response of the automobile, speed control is carried out through a speed limiting control instruction. According to the technical scheme, the strategy for obtaining the road speed limit value can be perfected, environmental data in the driving process are integrated, indexes for controlling the vehicle speed are continuously optimized, and accurate speed limit control is achieved.

    本发明公开了一种新能源汽车的限速控制方法,包括:获取行车环境数据,包括道路限速值、道路坡度角;获取驾驶操作信息,包括制动意图类型;获取汽车当前行车指标,包括电池荷电状态、汽车行驶参数,其中汽车行驶参数包括电机转速、当前车速、行车档位、加速踏板开度、ABS状态;根据行车环境数据、驾驶操作信息和汽车当前行车指标,计算刹车扭矩值和速度控制区间,生成限速控制指令;再结合汽车动态响应,通过限速控制指令进行速度控制。根据上述技术方案,可以完善获取道路限速值的策略,并整合行驶过程中环境数据,对控制车速的指标不断优化,实现精确的限速控制。


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    Title :

    Speed limiting control method for new energy automobile


    Additional title:

    一种新能源汽车的限速控制方法


    Contributors:
    ZHAN XIN (author) / XI CHANCHAN (author) / ZHENG WEIGUANG (author) / HUH EUN-YOUNG (author) / HUANG QIBAI (author) / HUANG YIZHE (author) / LI SHANDE (author)

    Publication date :

    2023-06-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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