A washing machine includes a washing tub configured to accommodate laundry therein, a motor configured to rotate the washing tub, and a controller. The controller is configured to: determine a laundry amount and a laundry-tangled degree by using a plurality of types of data that are measured while rotating the washing tub at a specific rotational speed; set an allowable unbalance (UB) value corresponding to the laundry amount and the laundry-tangled degree; determine a UB value based on rotating the washing tub during a dewatering stroke; and control the motor to stop rotating the washing tub based on the UB value exceeding the allowable UB value.

Provided herein are a method of controlling operation of a washing appliance and a washing appliance being controlled by the method. The method may include displaying, on a user interface of the washing appliance, an estimated duration of a selected washing program for the washing appliance; displaying, on the user interface, a degree of ecological impact caused by the selected washing program; allowing a user to operate the user interface to change the duration of the selected washing program, wherein the washing appliance adapts the selected cleaning program to comply with the changed duration; and displaying on the user interface the degree of ecological impact caused by the selected washing program when complying with the changed duration.

Provided herein are a method of controlling operation of a washing appliance and a washing appliance being controlled by the method. The method may include displaying, on a user interface of the washing appliance, an estimated duration of a selected washing program for the washing appliance; displaying, on the user interface, a degree of ecological impact caused by the selected washing program; allowing a user to operate the user interface to change the duration of the selected washing program, wherein the washing appliance adapts the selected cleaning program to comply with the changed duration; and displaying on the user interface the degree of ecological impact caused by the selected washing program when complying with the changed duration.

A method of operating a pair of laundry appliances is provided. The pair of laundry appliances includes a washing machine appliance and a dryer appliance. The method includes determining a first moisture extraction curve of a spin cycle of the washing machine appliance and determining a second moisture extraction curve of the dryer appliance. The method further includes rotating a basket of the washing machine appliance at an extraction speed for a predetermined period of time. The predetermined period of time is based on the first moisture extraction curve and the second moisture extraction curve.

Disclosed is an electronic device. The electronic device comprises: a display and a processor, wherein, when at least one condition among the time required to treat an object and an object treatment completion time is input, the processor identifies a plurality of object treatment courses that comply with the condition, identifies the order of priority of the plurality of object treatment courses according to predetermined criteria, and controls the display to provide a list listing information about the plurality of object treatment courses on the basis of the identified order of priority, wherein the object treatment is a process in which an object is cleaned or dried by means of at least one among a cleaning operation and a drying operation.

Disclosed is an electronic device. The electronic device comprises: a display and a processor, wherein, when at least one condition among the time required to treat an object and an object treatment completion time is input, the processor identifies a plurality of object treatment courses that comply with the condition, identifies the order of priority of the plurality of object treatment courses according to predetermined criteria, and controls the display to provide a list listing information about the plurality of object treatment courses on the basis of the identified order of priority, wherein the object treatment is a process in which an object is cleaned or dried by means of at least one among a cleaning operation and a drying operation.

A method of controlling a washing machine that includes a drum rotatably provided in a tub that receives water, at least one nozzle spraying water into the drum, a washing motor rotating the drum, and a circulation pump circulating water within the washing machine, the method including: operating the washing motor to rotate the drum in a first rotational direction while repeatedly alternating between an acceleration and a deceleration of the drum so that laundry in the drum alternates between maintaining contact with an inner surface of the drum during acceleration, and separates from the inner surface of the drum during deceleration; and operating a circulation pump motor in the circulation pump, while the drum rotates in the first rotational direction, to accelerate a pump speed of the circulation pump during the acceleration of the drum, and to decelerate the pump speed during deceleration of the drum.

A method of controlling a washing machine that includes a drum rotatably provided in a tub that receives water, at least one nozzle spraying water into the drum, a washing motor rotating the drum, and a circulation pump circulating water within the washing machine, the method including: operating the washing motor to rotate the drum in a first rotational direction while repeatedly alternating between an acceleration and a deceleration of the drum so that laundry in the drum alternates between maintaining contact with an inner surface of the drum during acceleration, and separates from the inner surface of the drum during deceleration; and operating a circulation pump motor in the circulation pump, while the drum rotates in the first rotational direction, to accelerate a pump speed of the circulation pump during the acceleration of the drum, and to decelerate the pump speed during deceleration of the drum.

A washing machine and a method of controlling the same are disclosed. The amount of laundry that is introduced into the washing machine is measured using gravity and inertia applied during the operation of the motor, whereby it is possible to precisely calculate the amount of laundry and to minimize the effects of the initial position of the laundry and the movement of the laundry. In addition, the current value of the motor that is operated is used to measure the amount of laundry without a sensor. Furthermore, the amount of laundry is measured at the rotational speed of the motor at which the laundry clings to the drum, whereby it is possible to minimize an error due to the movement of the laundry to thus improve accuracy. Moreover, it is possible to determine the amount of laundry within a short time. Consequently, it is easy to commence the spin-drying operation, thereby reducing washing time and saving energy.

Disclosed is a method of controlling a laundry treating apparatus comprising a tub configured to hold wash water, a drum mounted in the tub, a pulsator mounted in the drum, a sub-drum coupled to the drum, the sub-drum being configured to hold wash water, and a drive unit configured to rotate the drum and the pulsator. The method comprises a water current forming step comprising performing a basket motion and a pulsate motion and a cooling step comprising lowering the temperature of the drive unit. The basket motion is configured to form water current in the wash water held in the tub and in the sub-drum simultaneously. The pulsate motion is configured to form water current in wash water held in the drum while the pulsator is driven. A performance timing of the cooling step is preset in at least one of the wash cycle or the rinse cycle.