Korea Institute of Science and Technology

Sungkyunkwan University

Center of Human-centered Interaction for Coexistence

Donghyun Hwang

Keehoon Kim

Sang Rok Oh

Yong Seok Ihn

Sehyuk Yim

Jinwoo Jeong

Sungwook Yang

Sungwoo Park

Namseon Jang

Byeongkyu Lim

Min Woo Lee

Youngsu Cha

Bum-Jae You

Doik Kim

Junsik Kim

Jeongwon Lee

Jaehee Kim

Kyung Su Park

Sung Hwa Choi

The present disclosure relates to a sensor module for measuring a displacement occurring in a sensor by a confocal principle, a strain sensor device comprising the same, and a method for measuring a strain in a target using the same. Specifically, the sensor module according to an embodiment of the present disclosure includes a first single-mode optical fiber, a first GRIN optical fiber, a multi-mode optical fiber, a second GRIN optical fiber and a second single-mode optical fiber connected in an axial direction, wherein light inputted through the first single-mode optical fiber is transmitted to the second single-mode optical fiber through the series of optical fibers, and light forming a focal point in the core of the second single-mode optical fiber is detected using a confocal principle.

Optical fiber-based sensor module and strain sensor device comprising the same

The present disclosure provides a robot palm, which includes: a housing having a particle-containing space configured to accommodate particles so that a pressure thereof is changeable; particles filled in the particle-containing space; and an upper membrane installed at an upper portion of the housing and configured to grip an object by changing its shape and rigidity according to a pressure change of the particle-containing space.

Robot palm

Provided is a forceps driving apparatus including a body, a gripper installed to be received in the body and formed to be open and closed, an opening and closing member rotatably installed in the body to press or release two sides of the gripper by rotation, an elastic member connected to one side of the opening and closing member to provide an elastic force to the opening and closing member, an actuator connected to the other side of the opening and closing member to rotate the opening and closing member by contraction or extension, and a force sensing module to measure a gripping force of the gripper during the rotation of the opening and closing member.

Forceps driver apparatus

Provided is a tele-operated forceps-driver variable stiffness master device including a master member to generate an input displacement signal generated by pressing with a user's finger, and a slave member to operate based on the input displacement signal, measure operation information, calculate a gripping force based on the operation information, and provide the master member with at least one of a stiffness change command signal or a force feedback based on the calculated gripping force.

Tele-operated forceps-driver variable stiffness master device

This disclosure relates to a technology for grasping an object while adjusting a grasping force according to stiffness of the object measured by a tactile sensor module, especially to a robot-hand, which includes a tactile sensor module for measuring a normal force applied when grasping an object, a phalange sensor module having an actuator to generate a driving force and configured to measure a rotational displacement of a motor, and a hand back control unit for operating the actuator by generating a desired displacement signal to control a grasping force so that a grasping motion is stably and accurately achieved by applying a minimum grasping force to soft object with no sliding and minimized deformation, wherein the desired displacement signal is generated based on stiffness which is calculated from the normal force data and the rotational displacement data.

Tactile sensor module for robot-hand and grasping method using the same

A nerve cover for covering a nerve within a living body tissue to protect the nerve includes a base of a flat plate shape, and a pair of covers protruding upward the base to form a hole for receiving a nerve, with one end attached to the base and the other end spaced apart from the one end, wherein when the base is bent in an arch shape when viewed from a side, a spacing between the pair of covers is expanded. In addition, an apparatus for insertion of an electrode structure includes a nerve cover fixing part which fixes the nerve cover with the base being bent, and an electrode structure fixing part in which the electrode structure is mounted, and which linearly moves the mounted electrode structure in an insertion direction to insert the electrode structure into the nerve surrounded by the nerve cover.

Apparatus for insertion of nerve electrode structure

The present disclosure provides a rotary motor, which includes: a clamping member having a gripping unit installed at an inner circumference of a rotor to grip the rotor during a predetermined time; and a driving member installed at the inner circumference of the rotor and having a rotation unit configured to make an elastic deformation to rotate by a predetermined angle and then return to an original state so that the rotor is rotated.

Rotary motor having a rotation unit configured to make an elastic deformation

A robotic platform manipulating peripheral nerve system includes a manipulator and a recorder. The manipulator includes a rotating guide, a plurality of rotating movers and a plurality of manipulating units. The rotating guide has an opening portion through which the recorder records, and has a guide rail at a side. The rotating movers are combined with the rotating guide and move along the guide rail. The manipulating units are respectively fixed to the rotating movers, and a manipulating part performs the operation being connected to an end of each of the manipulating units.

Robotic platform manipulating peripeheral nerve system

Disclosed is a peripheral nerve fixing apparatus, which includes: a suction unit configured to provide a negative pressure to a peripheral nerve at an end portion thereof to fix the peripheral nerve; and a negative pressure generating unit having a vacuum pump for generating a negative pressure and connected to the suction unit so that the negative pressure is provided to the suction unit, wherein at one surface of the end portion of the suction unit, the suction unit includes: a fixing unit provided to contact the peripheral nerve to keep a stable fixed state; and a suction hole formed in the fixing unit so that the negative pressure is provided to the peripheral nerve therethrough.

Peripheral nerve fixing apparatus

Provided is a tactile transmission device, which includes a base unit forming one surface of the tactile transmission device, a tip-tilt elastic member stacked on the base unit and configured to transmit a tactile feel to a finger of a user in a first direction oriented upward from a bottom surface of the finger and a second direction intersecting the first direction at a predetermined angle, and a cover disposed at an upper side of the tip-tilt elastic member to form another surface of the tactile transmission device.

Tactile transmission device and user interface system including the same

Disclosed is a shielding device, which includes: a casing having an open portion; a deformable unit installed at the casing and configured to be deformed in one direction at a predetermined temperature; a power transmission unit connected to the deformable unit to transmit a power generated by the deformation of the deformable unit; and a shielding unit installed at the casing and connected to the power transmission unit to receive the power from the power transmission unit, the shielding unit being configured to open or close the open portion, wherein the deformable unit is deformed at a first temperature to be expanded or compressed, and the shielding unit closes the open portion by means of the deformation of the deformable unit.

Shielding device

An apparatus for inserting an electrode structure into nerve in tissue of a living body includes a nerve fixing part which fixes the nerve such that at least part of the nerve is hung thereon, and an electrode structure ejector on which the electrode structure is mounted, and which moves the electrode structure in insertion direction to insert the electrode structure into the fixed part of the nerve, wherein the nerve fixing part and the electrode structure ejector are disposed on the same axis.

Apparatus for insertion of nerve electrodes

A neural probe structure, which is fixed to a nerve to acquire an electrical signal from the nerve or apply electrical stimulation to the nerve, includes a body which is bent to enclose at least a part of circumference of the nerve, and a probe which extends longitudinally from the body and passes through the nerve, wherein the probe has electrodes. A neural probe assembly includes the neural probe structure, wherein the probe passes through the nerve and the body encloses at least a part of circumference of the nerve, so that the neural probe structure is fixed to the nerve.

Planar neural probe structure and its assembly structure for chronic implantation

An electrode structure inserting apparatus includes an electrode structure fixing unit to which the electrode structure is detachably fixed, and a vibration generator connected to the electrode structure fixing unit to vibrate the electrode structure fixing unit in an insertion direction of the electrode structure, and the electrode structure inserting apparatus inserts the invasive electrode structure into a nerve in a biological tissue.

Apparatus for invasive insertion of electrode structure

A tactile transmission device for transmitting a tactile sensation to a user's finger comprises: a ring-type body which is put on a finger; a moving member which is formed such that the moving member can move with respect to the body; and a plurality of wire-type actuators which are formed so as to come in contact with the moving member, wherein each of the wire-type actuators is a solid-state actuator which changes in length when energy is applied thereto, a force applied to the moving member as the plurality of wire-type actuators change in length causes the moving member to move with respect to the body, and a contact part formed in the moving member comes into contact with a user's finger according to a movement of the moving member, so as to transmit a tactile sensation to the user.

Growing community of inventors

Seoul, South Korea

Donghyun Hwang