The present invention relates to a battery system using the battery model validation HILS, the battery model is reflected on-line and the voltage of the simulation , by comparing the voltage of the battery using the battery HILS, it is an object to provide a system that allows easy grasp the accuracy of the battery model . This is the present invention for achieving the object , and calculating the required power of the vehicle according to the test pattern , to control the charge / discharge machine , RTS portion of the battery charge / discharge of ; Charge / discharge voltage measurement unit for measuring a voltage of the battery being ; And a voltage and estimated by the RTS portion , a voltage comparator for comparing the measured voltage with a voltage measurement ; Includes .
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