The invention relates to the field of tandem type hybrid power automobile control, in particular to a tandem type hybrid power electric automobile range extender power generation performance monitoring method which specifically comprises the following steps that high voltage is applied to a whole automobile, whether a driving mode selected by a driver is a range extending mode or not is judged, and if yes, the whole automobile is started; whether the APU is in a power generation state or not is judged, whether a power generator controller and an engine controller of the APU have no faults or not and the change rate RVCUR < RVCUR < RVCUR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVCR < RVR When the power generation power control method is used, a power generation system fault indicating lamp is turned on immediately, meanwhile, the APU system is prompted to be abnormal through characters, the VCU controls the whole vehicle to enter a forced pure electric driving mode, after the power generation system eliminates the fault, an instrument judges that the VCUAPUChargeErrorFlag is 0, and the problems that precision is reduced, response is delayed and the like due to the fact that the power generation power control of the APU is affected by conditions such as environmental factors and the state of parts of the APU are solved.

    本发明涉及串联式混合动力汽车控制领域,具体地说,本发明涉及一种串联式混合动力电动汽车增程器发电性能监控方法,具体包括以下步骤:整车上高压,判断驾驶员选择的驱动模式是否为增程模式,判断APU是否处于发电状态、APU的发电机控制器和发动机控制器均无故障且VCU请求的发电功率的变化率RVCU_RequirePower<100Kw/s,判断是否发电系统故障置位,故障报出,整车仪表上设有发电系统故障指示灯,当VCU_APUChargeErrorFlag为1时,则认为VCU报出了发电系统故障,随即点亮发电系统故障指示灯,同时文字提示APU系统异常,VCU控制整车进入强制纯电驱动模式,当发电系统清除故障后,仪表判断VCU_APUChargeErrorFlag为0,解决了APU的发电功率控制受到环境因素以及本身零部件状态等条件影响会出现精度下降、响应延迟等问题。


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    Title :

    Method for monitoring power generation performance of range extender of tandem hybrid electric vehicle


    Additional title:

    一种串联式混合动力电动汽车增程器发电性能监控方法


    Contributors:
    ZHANG YA'NAN (author) / SUN JUNYING (author)

    Publication date :

    2023-12-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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