Abstract: A movable object includes: a body part forming a main body; a wheel provided on a left side or a right side of the body part; a steering module connecting the body part and the wheel, wherein the steering module controls movement of the wheel in a manner that steers the wheel to the left when the wheel moves upward with respect to the body part, and steers the wheel to the right when the wheel moves downward with respect to the body part.

Abstract: A service robot includes a robot body, a main post vertically mounted on the robot body, and at least one service unit provided on the main post to be movable vertically and to be rotatable, and including a service tool. The service unit includes a main plate that is disposed in an inner space of the main post, and a mounting member that is provided to be rotatable along an outer circumferential surface of the main post, and coupled to the main plate. The service tool is mounted on the mounting member, a vertical driving device is disposed in the inner space of the main post to move the main plate vertically, and a rotation driving device is installed on the main plate to rotate the mounting member.

Abstract: A vehicle includes a main body configured to allow a user to ride on the main body, two driving wheels rotatably coupled to the main body, and a controlling wheel part rotatably coupled to the main body to control a direction of the vehicle in which the main body travels at a specific drive velocity by making contact with a ground surface to rotate about a vertical direction in a three-wheel mode. The main body includes a seat part formed to receive the user in a seated position, a steering part configured to obtain an inclination degree to perform steering based on the inclination degree in which the user seated on the seat part is inclined, in the three-wheel mode, and a post configured to connect the steering part with the seat part.

Abstract: A wearable muscular strength assist apparatus and a method and a system of controlling the same are disclosed. The wearable muscular strength assist apparatus includes a main body for supporting the upper body of a wearer, a plurality of leg pulleys provided at the left and right sides of the main body, a plurality of links, each having one end for supporting a respective one of the legs of the wearer and the remaining end connected to a respective one of the leg pulleys so as to be interlocked therewith, a plurality of wires, each being connected to a respective one of the leg pulleys, and a driving unit provided at the main body and connected with the wires in order to provide the wires with tensile force for rotating the respective leg pulleys.

Abstract: An omnidirectional wheel and a three-wheeled vehicle using the same are provided. The omnidirectional wheel includes a tire that is formed in the shape of an open torus having an open portion and a main rotation unit that is connected to the tire to rotate the tire about a main rotation axis passing through the center of an inner opening formed in a circular hole shape by the tire. A circumferential rotation unit connects opposite ends of the tire that form the open portion therebetween and rotates the tire about a circumferential axis formed in a circumferential direction of the tire to move the tire in a direction parallel to the main rotation axis.

Abstract: A vehicle includes a vehicle body, at least one wheel includes an annular tire that rotates to drive the vehicle body along a main driving direction, a wheel gear disposed on an inner surface of the tire, and an in-wheel actuator that is connected to the wheel gear and that rotates to rotate the tire, and positioning devices that are fixed to the vehicle body and that rotate the at least one wheel relative to the vehicle body to change positions of the at least one wheel relative to the vehicle body, the at least one wheel being coupled to at least one positioning device so as to be rotatable.

Abstract: A service robot includes a robot body, a main post vertically mounted on the robot body, and at least one service unit provided on the main post to be movable vertically and to be rotatable, and including a service tool. The service unit includes a main plate that is disposed in an inner space of the main post, and a mounting member that is provided to be rotatable along an outer circumferential surface of the main post, and coupled to the main plate. The service tool is mounted on the mounting member, a vertical driving device is disposed in the inner space of the main post to move the main plate vertically, and a rotation driving device is installed on the main plate to rotate the mounting member.

Abstract: A personal mobility apparatus includes: a support platform having a pair of footplates and a cavity; two drive wheels disposed on both sides of the support platform, respectively; and a steering wheel connected to the support platform to be received in the cavity. The steering wheel is connected through a telescopic tube to be received in the cavity of the support platform and the telescopic tube includes a first tube and a second tube moving telescopically with respect to the first tube.

Abstract: A wearable muscular strength assisting apparatus includes a base part for supporting a rear surface of a wearer, a leg part rotatably coupled to the base part and connected to a lower part of a body of the wearer, a wire part coupled to each of the base part and the leg part and a driving part provided in at least one of the base part and the leg part, coupled to the wire part, and driven to pull or release the wire part depending on a control to provide assist force to waist muscular strength of the wearer.

Abstract: A wearable muscular strength assist apparatus and a method and a system of controlling the same are disclosed. The wearable muscular strength assist apparatus includes a main body for supporting the upper body of a wearer, a plurality of leg pulleys provided at the left and right sides of the main body, a plurality of links, each having one end for supporting a respective one of the legs of the wearer and the remaining end connected to a respective one of the leg pulleys so as to be interlocked therewith, a plurality of wires, each being connected to a respective one of the leg pulleys, and a driving unit provided at the main body and connected with the wires in order to provide the wires with tensile force for rotating the respective leg pulleys.

Abstract: Disclosed herein is a robot arm including a first joint portion connected to an end portion of a wire and operable to rotate when the wire is pulled, a second joint portion connected to the first joint portion through a link, and a wire guide composed of a rotational plate rotatably installed at the second joint portion and a pair of idle rollers provided to continuously contact the rotational plate, in which the wire passes between the idle rollers.

Abstract: A wearable muscular strength assisting apparatus includes a base part for supporting a rear surface of a wearer, a leg part rotatably coupled to the base part and connected to a lower part of a body of the wearer, a wire part coupled to each of the base part and the leg part and a driving part provided in at least one of the base part and the leg part, coupled to the wire part, and driven to pull or release the wire part depending on a control to provide assist force to waist muscular strength of the wearer.

Abstract: An apparatus for driving a wearable robot includes a wire having one end connected to an arm of the wearable robot, a tension detector that is provided between the one end and the other end of the wire and detects tension of the wire, a driver that is connected to the other end of the wire and winds or unwinds the wire, and a controller that controls the driver to be operated to wind or unwind the wire when the arm rotates to change the tension of the wire so that the wire maintains a preset reference tension.

Abstract: An apparatus for variable shock absorption is provided. The apparatus includes a pair of elastic members that cross each other and a first support that has both ends coupled to predetermined first ends of the elastic members. A second support faces the first support and has oblong grooves in which second ends of the elastic members are inserted to slide in opposite directions. When an external force is applied to the first support or the second support, the distance between the first support and the second support changes and the angle formed by the pair of elastic members changes based on the change of the distance between the supports.

Abstract: A wire-driven robot includes pairs of arm parts including shoulder joints, elbow joints, and wrist joints to move with a motion of a wearer; a shoulder wire connected with the pair of shoulder joints; a shoulder driving unit applying a rotational force to the shoulder joints by winding or unwinding the shoulder wire in link with the motion of the wearer; an elbow wire connected with the pair of elbow joints; an elbow driving unit applying a rotational force to the elbow joints by winding or unwinding the elbow wire in link with the motion of the wearer; a wrist wire connected to the pair of wrist joints; and a wrist driving unit applying a rotational force to the wrist joints by winding or unwinding the wrist wire in link with the motion of the wearer.

Abstract: A safe joint apparatus for a robot is provided and includes a pipe-shaped fixture with a hollow and a rotating member rotatably inserted into the hollow of the fixture. In addition, a plurality of elastic members are each fixed to the fixture on a first side thereof and a coupler on a second side thereof to form a predetermined angle. The coupler is provided for the rotating member.

Abstract: Disclosed herein is a robot arm including a first joint portion connected to an end portion of a wire and operable to rotate when the wire is pulled, a second joint portion connected to the first joint portion through a link, and a wire guide composed of a rotational plate rotatably installed at the second joint portion and a pair of idle rollers provided to continuously contact the rotational plate, in which the wire passes between the idle rollers.

Abstract: A wire-driven robot includes pairs of arm parts including shoulder joints, elbow joints, and wrist joints to move with a motion of a wearer; a shoulder wire connected with the pair of shoulder joints; a shoulder driving unit applying a rotational force to the shoulder joints by winding or unwinding the shoulder wire in link with the motion of the wearer; an elbow wire connected with the pair of elbow joints; an elbow driving unit applying a rotational force to the elbow joints by winding or unwinding the elbow wire in link with the motion of the wearer; a wrist wire connected to the pair of wrist joints; and a wrist driving unit applying a rotational force to the wrist joints by winding or unwinding the wrist wire in link with the motion of the wearer.

Abstract: An apparatus for driving a wearable robot includes a wire having one end connected to an arm of the wearable robot a tension detector that is provided between the one end and the other end of the wire and detects tension of the wire, a driver that is connected to the other end of the wire and winds or unwinds the wire, and a controller that controls the driver to be operated to wind or unwind the wire when the arm rotates to change the tension of the wire so that the wire maintains a preset reference tension.

Abstract: An apparatus for variable shock absorption is provided. The apparatus includes a pair of elastic members that cross each other and a first support that has both ends coupled to predetermined first ends of the elastic members. A second support faces the first support and has oblong grooves in which second ends of the elastic members are inserted to slide in opposite directions. When an external force is applied to the first support or the second support, the distance between the first support and the second support changes and the angle formed by the pair of elastic members changes based on the change of the distance between the supports.