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公开(公告)号：US20240198808A1
公开(公告)日：2024-06-20
申请号：US18538618
申请日：2023-12-13
CPC分类号： B60L7/26 , B60L7/18 , B60L58/15 , B60L58/26 , B60L2240/12 , B60L2240/26 , B60L2240/42 , B60L2240/46 , B60L2240/48 , B60L2240/545 , B60L2240/642 , B60L2240/662 , B60L2240/70 , B60L2260/20
摘要： A computer-implemented method of brake management in an electric or hybrid electric heavy-duty vehicle that has batteries which are configured to absorb energy from regenerative braking is provided. Topographic data containing information about an upcoming downhill slope is obtained. A state of charge target (SOC target) below 100% for said batteries is determined. Based on the obtained topographic data, a total brake power required for maintaining the speed of the heavy-duty vehicle at or below a selected speed limit of the heavy-duty vehicle throughout the travel in the downhill slope is determined. The determined total brake power is in the form of at least one of regenerative braking, auxiliary braking and service braking of the heavy-duty vehicle. The speed of the heavy-duty vehicle when travelling in said downhill slope is controlled by applying said determined total brake power such that the state of charge of the batteries remains below or equal to said SOC target throughout the travel in the downhill slope.
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公开(公告)号：US20230176137A1
公开(公告)日：2023-06-08
申请号：US18060847
申请日：2022-12-01
IPC分类号： G01R31/392 , G01R31/367 , B60L58/16
CPC分类号： G01R31/392 , G01R31/367 , B60L58/16
摘要： A method for determining a remaining useful lifetime of a propulsion battery of a vehicle. The method includes constructing a voltage feature vector from voltage data of a charging event for the battery, mapping the voltage feature vector to a battery state of health model including an aging mode distribution of different battery aging mechanisms to determine state of health parameters and the present aging mode distribution of the battery; predicting the remaining useful lifetime (RUL) using a physical aging model with the state of health parameters and the present aging mode distribution as inputs to the physical aging model.
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