Patent ID: 8122549

Claim:
A control method of a washing machine including a drum to receive laundry and a motor to rotate the drum to reduce unbalance generated due to the nonuniform distribution of the laundry, comprising: determining whether a spin-drying operation is initiated: when it is determined that the spin-drying operation is initiated, rotating the drum in alternating directions such that the laundry untangling process to untangle the tangled laundry; after the laundry untangling process, wrapping the laundry by accelerating the speed of the drum by stages such that the laundry sticks to an inner wall of the drum; detecting motor current during the wrapping of the laundry; determining whether the laundry is in an unbalanced state or a balanced state based on the detected motor current; and controlling speed of the drum based on the result of the determination, wherein the controlling the speed of the drum includes reperforming only the laundry wrapping operation when it is determined that the laundry is in the unbalanced state.