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Being charging rate presumption manner and the charging rate presumption manner which presumes the charging rate of the charging rate
Being charging rate presumption manner and the charging rate presumption manner which presumes the charging rate of the charging rate
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机译:作为充电率推定方式和推定充电率的充电率的充电率推定方式
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摘要
The method for calculating charged rate of a secondary battery is intended to calculate charged rate of a secondary battery which supplies electric power to loads, and comprises the step to measure voltage of the secondary battery more than once in a predetermined period of time after termination of charge or discharge, the step to determine the coefficients of a quadric or more exponential damping function which approximates the time characteristic of the open circuit voltage of the secondary battery by recursive calculation with the plural measured voltage values, and the step to calculate a convergent value of the open circuit voltage of the secondary battery from at least the exponential damping function with the coefficients determined above. Therefore, precise charged rate of the secondary battery can be calculated from the precise convergent value of the open circuit voltage
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