The invention belongs to the technical field of new energy automobile power supplies, and particularly relates to a battery SOC estimation method and a power supply management system, which comprise a hardware part and a software part. The hardware part comprises a battery information acquisition module, a control module, a charging and discharging module, a display module and a power supply body; the software part utilizes matlab to convert a trained GRU model into an ONNX format, C language conversion is carried out in STM32X-CUBE-AI, the compression ratio is selected to be 8, and the model is successfully deployed in an MCU; according to the method, model training is carried out by adopting multi-working-condition data set integration, and full-scene driving conditions of the automobile in real life are restored, so that the training model has more practical significance and authenticity.
本发明属于新能源汽车电源技术领域,具体的说是电池SOC估计方法及电源管理系统,包括硬件部分和软件部分;所述硬件部分包括电池信息采集模块、控制模块、充放电模块、显示模块以及电源本体;所述软件部分利用matlab将训练好的GRU模型转化为ONNX格式,在STM32X‑CUBE‑AI中进行C语言转换,并选择压缩率为8,将模型成功部署在MCU中;本发明采用多工况数据集整合进行模型的训练,还原汽车在现实生活中的全场景行驶条件,使训练模型得到更多的实际意义与真实性。
Battery SOC estimation method and power management system
电池SOC估计方法及电源管理系统
2024-02-09
Patent
Elektronische Ressource
Chinesisch
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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