A system and method of controlling limp-mode reverse driving of a hybrid electric vehicle are presented. A system for operating a hybrid electric vehicle includes: a hybrid starter generator that generates a back electromotive force while rotating with an engine when conditions are satisfied, including ensuring starting of the engine, turning off a main relay, turning off a main relay, and turning off the main relay in a state in which components of a high voltage system fail; and disconnecting the engine clutch according to a request for reverse driving; a motor that rotates in reverse using the back electromotive force of the hybrid starter generator; an electronic load assembly that operates using the back electromotive force of the hybrid starter generator; and a controller determining an engine speed required for the load output value according to operation of the motor and the electronic load assembly, and limiting operation of the motor or the electronic load assembly according to the determined engine speed.

    提出了控制混合动力电动车辆的跛行模式倒车行驶的系统和方法。一种用于操作混合动力电动车辆的系统,包括:混合起动发电机,当条件得到满足时,其在与发动机一起旋转的同时生成反电动势,所述条件包括:在高压系统的组件发生故障的状态下,确保发动机的起动,关断主继电器,以及根据倒车行驶的请求断开发动机离合器;电动机,其使用混合起动发电机的反电动势反向旋转;电子负载组件,其使用混合起动发电机的反电动势来操作;以及控制器,其根据电动机和电子负载组件的操作确定负载输出值所需的发动机转速,并且根据确定的发动机转速限制电动机或电子负载组件的操作。


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    Title :

    System and method for controlling limp-mode reverse driving of hybrid electric vehicle


    Additional title:

    控制混合动力电动车辆的跛行模式倒车行驶的系统和方法


    Contributors:

    Publication date :

    2023-01-03


    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



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