Vehicle battery pack cell voltage determination

摘要

Methods and systems are provided that determine a voltage of a cell of a battery pack of a vehicle. A sensor is configured to measure a preliminary value of the voltage of the cell while the battery pack is being balanced. A processor is coupled to the sensor, and is configured to determine an offset from balancing of the battery pack, and calculate an adjusted value of the voltage of the cell using the preliminary value and the offset.

主权项

1. A method of determining a voltage of a cell of a battery pack of a vehicle, the method comprising:
determining an offset caused from a balancing of the battery pack;
wherein the offset represents a correction for a measured value of the voltage of the cell to compensate for a bias that occurs while the battery pack is being balanced; measuring, via a sensor, a preliminary value of the voltage of the cell while the battery pack is being balanced; and calculating, via a processor, an adjusted value of the voltage of the cell based on the preliminary value and the offset.