Patent ID: 9657426
Date: 2017-05-23
CPC Classifications: D06F

Claim:
1. A control method for a washing machine comprising: periodically measuring vibration occurring in at least one of a cabinet of the washing machine and an outer tub provided in the cabinet to receive washing water; based on the periodic measurement of vibration, determining a first element frequency using first vibration data and determining a second element frequency using second vibration data, the first vibration data being different than the second vibration data, the first vibration data including vibration data measured after all of the second vibration data, and the second vibration data including vibration data measured prior to all of the first vibration data; determining vibration change data as a magnitude of a value obtained by subtracting the second element frequency from the first element frequency; determining whether the vibration change data meets a predetermined reference frequency; interrupting power to a drive unit for rotating an inner tub of the washing machine based on a determination that the vibration change data meets the reference frequency; and accounting for whether the vibration change data meeting the reference frequency was caused by noise by: