WASHING MACHINE AND CONTROL METHOD THEREOF

A washing machine according to an embodiment comprises: a drum; a motor configured to rotate the drum; a motor driver comprising circuitry configured to a drive current to the motor; a current sensor configured to sense the drive current; a water supplier comprising a conduit configured to supply water to the drum; and at least one controller, wherein one or more of the at least one processor is configured to control the water supplier to perform a plurality of water supply processes, and control the motor driver to perform a plurality of material detection processes, wherein one or more of the at least one controller is configured to: in response to one water supply process from among the plurality of water supply processes, one material detection process from among the plurality of material detection processes, generate a plurality of pieces of input data based on a value of the drive current detected during the plurality of material detection processes, and determine the material of laundry accommodated in the drum, on the basis of the plurality of pieces of input data.