The invention discloses a new energy automobile power supply system fault diagnosis method, system and device and a medium, and the method comprises the steps: obtaining the abnormal voltage data in an automobile based on a voltage sensor, and obtaining the fuse current data of DC-DC in a low-voltage fuse box through a current sensor; judging whether a circuit of the high-voltage control box in butt joint with the high-voltage wiring harness plug-in is normal or not and whether a bond strap negative plug-in terminal at the output end of the DC-DC converter is normal or not, and obtaining abnormal power supply data of the training automobile; inputting the training automobile abnormal power supply data into the trained DNN deep neural network model for fault identification, and obtaining an automobile power supply system fault result; and generating a new energy automobile power supply system repair measure based on the automobile power supply system fault result, and transmitting the new energy automobile power supply system repair measure to a mobile terminal of a maintainer. And the fault type and position can be quickly and accurately identified.
本发明公开了新能源汽车电源系统故障诊断方法、系统、设备及介质,通过基于电压传感器获取汽车中的异常电压数据,利用电流传感器获取低压保险盒内DC‑DC的保险丝电流数据;判断高压控制盒对接高压线束插件的电路是否正常,DC‑DC变换器输出端的搭铁线负极插件端子是否正常,得到训练汽车异常电源数据;将训练汽车异常电源数据输入至训练好的DNN深度神经网络模型中进行故障识别,得到汽车电源系统故障结果;基于汽车电源系统故障结果生成新能源汽车电源系统修复措施,将新能源汽车电源系统修复措施传输至维修人员的移动终端。可以快速准确地识别出故障类型和位置。
New energy automobile power supply system fault diagnosis method, system, equipment and medium
新能源汽车电源系统故障诊断方法、系统、设备及介质
2024-06-21
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen |
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