Battery SOC calibration method and device, and storage medium
A calibration method and storage medium technology, which are applied in the directions of measuring devices, measuring electricity, measuring electrical variables, etc., to achieve the effect of improving user experience, increasing calibration probability, and improving calibration accuracy
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[0039] This embodiment proposes a battery SOC calibration method, refer to figure 1 , including the following steps:
[0040] S1, power on the system, read the storage time and stored SOC value in the readable memory, judge whether the rest time meets the threshold value, if so, judge whether there is a platform area, if so, start the OCV-SOC table look-up calibration, and then proceed Step S2, otherwise directly proceed to step S2;
[0041] refer to figure 2 , step S1 specifically includes: the current acquisition voltage is Voltage, the current acquisition voltage is increased by 1mv to Voltage+1, and the current voltage is decreased by 1mv to Voltage-1, and the OCV-SOC check is performed on Voltage, Voltage+1, and Voltage-1 at the current temperature respectively. Get the corresponding SOCcur, SOCcur+1, and SOCcur-1 from the table. If SOCcur+1-SOCcur≤1% and SOCcur-SOCcur-1≤1%, it is determined that the current voltage is in a non-platform area, and OCV-SOC look-up table ...
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