WEARABLE ROBOT, AND METHOD AND SYSTEM FOR ASSISTING MOTION BY USING STATE TRAJECTORY MEMORY BUFFER

The present invention relates to a wearable robot. The wearable robot according to the present invention comprises: a first fixing unit fixed to a body part on one side of a joint part; a second fixing unit fixed to the body part on the other side of the joint part; a driving unit fixed to the first fixing unit; and a connection member that connects the driving unit and the second fixing unit and transmits a driving force provided from the driving unit to the second fixing unit for movement of the joint part, wherein the connection member includes: a plurality of members which are adjustable in length to correspond to a distance between the driving unit and the second fixing unit, which varies according to the size of the joint part, or are disposed in a line; and an interlocking unit connecting the plurality of members such that the plurality of members interlock with each other, wherein the driving unit includes an actuator that generates power for assisting force.