PENDING
Please predict whether this patent is acceptable.PATENT ABSTRACT: A motor drive apparatus equipped with a machine learning device comprises a fan motor and an alarm output unit which provides an indication that it is time to replace the fan motor, wherein the machine learning device comprises a state observing unit which observes the number of revolutions of the fan motor, a reward calculating unit which calculates a reward based on the time that the alarm output unit output an alarm and the time that the fan motor actually failed, an artificial intelligence which judges action value based on an observation result supplied from the state observing unit and on the reward calculated by the reward calculating unit, and a decision making unit which, based on the result of the judgment made by the artificial intelligence, determines whether or not to output an alarm from the alarm output unit.