The invention provides a charging remaining time estimation method and device, a controller and a vehicle. The method comprises the steps that battery state parameters are acquired; determining residual charging sub-time according to the battery state parameters; determining a battery charging state judgment parameter according to the battery state parameter and the residual charging sub-time; according to the method, the SOC values of the different batteries, the temperatures of the different batteries and the charging currents of the batteries corresponding to the different terminal voltages are accurately predicted through the preset battery calculation model; and the estimation error of the battery SOC value, the battery temperature and the terminal voltage on the full charge remaining time of the battery is reduced.
本发明提出一种充电剩余时间估计方法、装置、控制器和车辆,方法包括:获取电池状态参数;根据电池状态参数确定充电剩余子时间;根据电池状态参数和充电剩余子时间确定电池充电状态判定参数;根据充电剩余子时间和电池充电状态判定参数估算满充充电剩余时间,本发明通过预设电池计算模型精准预测不同电池SOC值、不同电池温度和不同端电压对应的电池的充电电流,减少电池SOC值、电池温度和端电压对电池的满充充电剩余时间的估算误差。
Charging remaining time estimation method and device, controller and vehicle
充电剩余时间估计方法、装置、控制器和车辆
2024-08-16
Patent
Electronic Resource
Chinese
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