Systems and methods for improving operation of an automotive battery system that includes an automotive electrical system that includes a battery system that improves performance and reliability using operational parameters, a predicted internal resistance of the battery that is expected within a predicted range, and a real-time internal resistance of the battery. A battery system includes a battery electrically coupled to an electrical device in an automotive system, a sensor coupled to the battery and determining a terminal voltage of the battery, and a battery control system communicatively coupled to the sensor. The battery control system determines a charging power limit based on the predicted internal resistance when the measured terminal voltage of the battery is not greater than the lower limit of the voltage threshold, and based on the real-time internal resistance of the battery when the measured terminal voltage of the battery is greater than the lower limit of the voltage threshold, the charging power limit value is used to control power supply to the battery when the battery is charged.
用于改善汽车电池系统的运行的系统及方法,所述汽车电池系统包括汽车电气系统,该汽车电气系统包含电池系统,该电池系统使用运行参数、在预测范围内预期的电池的预测内部电阻以及电池的实时内部电阻来提高性能和可靠性。电池系统包括电池、传感器和电池控制系统,电池电耦接到汽车系统中的电气装置,传感器耦接到电池并确定电池的端子电压,电池控制系统通信地耦接到传感器。当电池的测量的端子电压不大于电压阈值下限时基于预测的内部电阻,并且当电池的测量的端子电压大于电压阈值下限时基于电池的实时内部电阻,电池控制系统确定充电电力限值,所述充电电力限值用于在对电池充电时控制对电池的电力供应。
Model predictive battery power limit estimation system and method
模型预测电池电力限值估计系统及方法
2023-12-29
Patent
Electronic Resource
Chinese
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