Abstract: A robot cleaner is provided. The robot cleaner includes a plurality of bending tubes which are integrally connected along a longitudinal direction thereof and each of which is closed at one end and changes in volume depending on pressure in an internal space thereof, a pump device that adjusts the pressure in the internal space of each of the plurality of bending tubes, a head part disposed at one end of the plurality of bending tubes to suck air, a dust collection device that separates dust from the air sucked through the head part, and a dust collection tube that communicates the head part and the dust collection device.

Abstract: A manipulator may include a base link having a ring shape; a first ring-shaped link having a ring shape and disposed to rotate at a predetermined angle at a front end of the base link; a second ring-shaped link having a ring shape and disposed to rotate at a predetermined angle at a front end of the first ring-shaped link; a first Borden cable and a second Borden cable connected to the first ring-shaped link and formed to rotate the first ring-shaped link; a third Borden cable and a fourth Borden cable connected to the second ring-shaped link and formed to rotate the second ring-shaped link; and a driving device that operates the first Borden cable, the second Borden cable, the third Borden cable, and the fourth Borden cable.

Abstract: A manipulator and a method for controlling the manipulator are disclosed.