CONTROL PARAMETER CALCULATION DEVICE, POWER SUPPLY SYSTEM, CONTROL PARAMETER CALCULATION METHOD, AND PROGRAM

A control parameter calculation device comprises an integration unit that calculates the target value of combined power obtained by summing a first power and a second power by smoothing the first power on the basis of the value of a predetermined control parameter and calculates charge/discharge power when charging and discharging are performed so as to achieve the target value; a smoothing performance calculation unit that calculates a smoothing performance evaluation index of the combined power on the basis of the charge/discharge power calculated over an evaluation period; a lifetime calculation unit that calculates a lifetime evaluation index of the battery during the evaluation period on the basis of the calculated charge/discharge power; and an evaluation unit that evaluates the value of a control parameter on basis of the smoothing performance evaluation index and the lifetime evaluation index which are calculated repeatedly while varying the value of the control parameter.