Samsung Electronics Co., Ltd.

Young Myung Son

Ji Hoon Choi

Joo-young Kwak

Seung Oh Kim

Leonid Maslov

Chang-Hyun Roh

Yong-kwun Lee

Marenne Pierre

A washing machine includes a plurality of suspension units through which a tub is supported by a cabinet, and a stabilizer unit mounted to the tub. When horizontal vibration displacement of the tub occurs by unbalance mass during washing/dehydration processes, the washing machine limits tub displacement according to the attenuation effect caused by torsional force and bending force of the stabilizer unit, resulting in reduction of excessive vibration.

Washing machine

A washing machine includes: a tub configured to accommodate wash water therein; a rotary tub rotatably mounted in the tub; a pulsator rotatably arranged below the rotary tub, configured to form a water current; a motor configured to provide driving power to the pulsator; and a floater configured to ascend or descend in response to a water level of the wash water in such a manner that the pulsator and the rotary tub interact with each other or the interaction therebetween is released. The pulsator includes a reinforcement rib protruding from a bottom surface of the pulsator to reinforce stiffness. The floater is connected to the reinforcement rib in a manner that the floater ascends or descends along the reinforcement rib. The washing machine can alternatively transmit the driving power of the motor only to the pulsator or to the pulsator and the rotary tub.

Washing machine and method for controlling the same

A method of controlling vibration of a moving system having driving and driven units includes measuring an acceleration of the driven unit, generating a nominal acceleration by subtracting gravity from the measured acceleration, generating a control driving force according to the nominal acceleration, the driving force having a direction opposite to that of the measured acceleration, and applying the control driving force to the driven unit.

Method and apparatus for controlling vibration using accelerometer

Provided is a foot structure for a humanoid robot capable of effectively keeping its balance in a pause state or action. The foot structure includes a support; a plurality of lower structures having an upper member connected to a bottom of the support; a plurality of lower members having a plurality of independent portions each movably connected to the upper member; and a revolute joint for coupling the upper member and the lower member. Since a contact between the foot structure and the floor is smoothly made, a shock is prevented from being transferred to a body of the humanoid robot. Also, a vibration generated when the humanoid robot steps on the floor is eliminated, so that the humanoid robot can pose a stable and smooth gate.

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Gyeonggi-do, South Korea

Young Myung Son