The invention discloses a vehicle insulation abnormity prediction method and device, equipment and a medium. The method comprises the following steps: acquiring N groups of effective driving data of a target vehicle in a first historical duration; according to the vehicle total voltage and the insulation resistance value in each group of effective driving data, determining an insulation performance parameter corresponding to each group of effective driving data; and according to a preset abnormal parameter threshold and the insulation performance parameters corresponding to the N groups of effective driving data, determining whether the target vehicle has a trend of insulation abnormity. According to the invention, based on the multiple groups of effective driving data in the historical duration, the possibility of the vehicle having the abnormal insulation fault can be predicted before the vehicle has the abnormal insulation fault, so that the probability of the vehicle having the abnormal insulation fault can be reduced, and the reliability of the vehicle is improved. The probability of output power limitation, whole vehicle power-off, anchoring and other phenomena caused by sudden insulation abnormal faults in the running process of a vehicle is reduced, and user experience is improved.

    本发明公开了一种车辆绝缘异常预测方法、装置、设备和介质,包括:获取目标车辆在第一历史时长内的N组有效行车数据;根据每组有效行车数据中的车辆总电压和绝缘阻值,确定每组有效行车数据对应的绝缘性能参数;根据预设的异常参数阈值和N组有效行车数据对应的绝缘性能参数,确定目标车辆是否存在发生绝缘异常的趋势。本发明基于历史时长内的多组有效行车数据,能够在车辆发生绝缘异常故障之前,对车辆发生绝缘异常故障的可能性进行预测,进而可以降低车辆发生绝缘异常故障的几率,以降低因车辆在运行过程中突发绝缘异常故障导致的限制输出功率、整车下电、抛锚等现象的发生几率,提升用户体验。


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    Title :

    Vehicle insulation abnormity prediction method, device, equipment and medium


    Additional title:

    一种车辆绝缘异常预测方法、装置、设备和介质


    Contributors:
    XIE HUI (author) / WANG YONGSHI (author) / ZHANG SHUTAO (author) / LIU ZHENYONG (author) / HUANG MIN (author)

    Publication date :

    2023-07-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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