A control apparatus (PCM 100) for controlling a plant including a plurality of units (20 1, 20 2), the control apparatus comprising: a model controller configured to generate a target value of a characteristic to be achieved by each unit (20 1, 20 2) based on a model set for each unit (20 1, 20 2); a unit specifier adapted to specify a unit (20 1, 20 2) in which performance unique to the unit (20 1, 20 2) has changed among the units (20 1, 20 2); and a target value corrector configured to correct the target value for the unit (20 1, 20 2) that has been specified by the unit specifier; and a plurality of feedback sections that corresponds to the respective units (20 1, 20 2), wherein the plant is an automobile, the units (20 1, 20 2) include an engine configured to output torque for driving the automobile and a motor configured to output torque for driving the automobile, the target value corrector is configured to correct the target value for the unit (20 1, 20 2) that has been specified by the unit specifier to keep a performance of the automobile constant, each feedback section (14 1, 14 2) is configured to generate, based on an output signal from the unit (20 1, 20 2) corresponding to the each feedback section (14 1, 14 2), a feedback signal for correcting an output signal from the model controller to compensate for a difference between a characteristic actually achieved by the unit (20 1, 20 2) and the target value, and each feedback section (14 1, 14 2) is configured to correct the output signal by adjusting an FB characteristic amount indicating any one of the feedback signal or an FB parameter indicating a coefficient contributing to an increase or decrease in the feedback signal based on the output signal from the unit (20 1, 20 2), each feedback section (14 1, 14 2) is configured to input the FB characteristic amount to the unit specifier, based on a change in the FB characteristic amount in each unit (20 1, 20 2), the unit specifier is configured to determine a change in the performance unique to the unit (20 1, 20 2), and the target value corrector is configured to, based on a change in the FB characteristic amount in each unit (20 1, 20 2), correct the target value through adjustment of the FB characteristic amount in a case where a moving average of the FB characteristic amount is less than a predetermined threshold, and correct the target value through correction of the model corresponding to the unit (20 1, 20 2) that has been specified by the unit specifier in a case where the moving average of the FB characteristic amount is equal to or greater than the predetermined threshold. a model controller configured to generate a target value of a characteristic to be achieved by each unit (20 1, 20 2) based on a model set for each unit (20 1, 20 2); a unit specifier adapted to specify a unit (20 1, 20 2) in which performance unique to the unit (20 1, 20 2) has changed among the units (20 1, 20 2); and a target value corrector configured to correct the target value for the unit (20 1, 20 2) that has been specified by the unit specifier; and a plurality of feedback sections that corresponds to the respective units (20 1, 20 2), wherein the plant is an automobile, the units (20 1, 20 2) include an engine configured to output torque for driving the automobile and a motor configured to output torque for driving the automobile, the target value corrector is configured to correct the target value for the unit (20 1, 20 2) that has been specified by the unit specifier to keep a performance of the automobile constant, each feedback section (14 1, 14 2) is configured to generate, based on an output signal from the unit (20 1, 20 2) corresponding to the each feedback section (14 1, 14 2), a feedback signal for correcting an output signal from the model controller to compensate for a difference between a characteristic actually achieved by the unit (20 1, 20 2) and the target value, and each feedback section (14 1, 14 2) is configured to correct the output signal by adjusting an FB characteristic amount indicating any one of the feedback signal or an FB parameter indicating a coefficient contributing to an increase or decrease in the feedback signal based on the output signal from the unit (20 1, 20 2), each feedback section (14 1, 14 2) is configured to input the FB characteristic amount to the unit specifier, based on a change in the FB characteristic amount in each unit (20 1, 20 2), the unit specifier is configured to determine a change in the performance unique to the unit (20 1, 20 2), and the target value corrector is configured to, based on a change in the FB characteristic amount in each unit (20 1, 20 2), correct the target value through adjustment of the FB characteristic amount in a case where a moving average of the FB characteristic amount is less than a predetermined threshold, and correct the target value through correction of the model corresponding to the unit (20 1, 20 2) that has been specified by the unit specifier in a case where the moving average of the FB characteristic amount is equal to or greater than the predetermined threshold.