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Parameter estimation apparatus, parameter estimation method, power storage system, and program
Parameter estimation apparatus, parameter estimation method, power storage system, and program
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机译:参数推定装置,参数推定方法,蓄电系统及程序
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摘要
A parameter estimating device includes a state quantity measurement unit 11 which acquires measured values for state quantities having a correlation with a plurality of parameters, a state quantity calculation unit 12 which calculates and acquires calculated values corresponding to the measured values based on a correlation expression of the estimated values of the plurality of parameters and the state quantities, and an optimum estimated value identification unit 13 which finds an error evaluation function value calculated based on a value obtained by multiplying the total sum of the absolute quantities of the errors of the calculated values corresponding to the measured values by a first coefficient and a value obtained by multiplying the degree of variation of the errors by a second coefficient, and identifies an optimum estimated value having a minimum error evaluation function value while changing the estimated values.
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