Washing machine and method for controlling washing machine

Abstract

A washing machine that saves energy while maintaining washing performance according to a water temperature is provided. The washing machine includes a main body, a tub provided inside the main body, a first water supply device configured to supply washing water without detergent to the tub, a second water supply device configured to supply washing water containing detergent to the tub, a temperature sensor configured to detect a temperature of the washing water stored in the tub, a circulation bubble device configured to circulate the washing water stored in the tub or generate bubbles in the washing water stored in the tub, a circulation pump configured to supply the washing water stored in the tub to the circulation bubble device, memory storing one or more computer programs, and one or more processors communicatively coupled to the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by one or more processors individually or collectively, cause the washing machine to control the first water supply device to supply the washing water without detergent to the tub, and control a rotation speed of the circulation pump based on a temperature of the washing water without detergent.

Dependencies are inferred from the claim text.