| 摘要 |
PROBLEM TO BE SOLVED: To achieve a remaining capacity operation system of a secondary battery of a neural network type capable of precisely measuring an electric quantity related to the electric storage state while preventing increase in operation load. SOLUTION: When using SOC by a neural network operation using at least a voltage, a current, an open circuit voltage Vo, and internal resistance R, the open circuit voltage Vo and the internal resistance R are corrected by a polarization related quantity and are then used as input parameters for neural network operation. Thus, the SOC operation accuracy is easily improved. COPYRIGHT: (C)2007,JPO&INPIT
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