Abstract:
PURPOSE: A moving structure of a 1-DOF(Degree Of Freedom) gripper system, the detachable 1-DOF gripper system, and a driving method thereof are provided to apply a driving system using a wire to the 1-DOF gripper system, thereby obtaining high resolving power. CONSTITUTION: A moving structure of a 1-DOF gripper system comprises an actuator(5), a rotating member(11), and a gripper(12). The actuator comprises a rotary shaft(7). The rotating member receives power from the actuator by using a wire and rotates. The gripper is attached or detached to/from the rotating member. A guide groove is formed on a lateral side of the rotating member in a circumferential direction and the wire is placed in the guide groove. The wire is wound around the rotary shaft. Both ends of the wire are respectively fixed to both sides of the rotating member. A rotational direction of the rotating member is varied according to the rotational direction of the rotary shaft.
Abstract:
본 발명은 1자유도 그리퍼 시스템의 동작 구조, 탈부착이 가능한 1자유도 그리퍼 시스템 및 그 구동 방법에 관한 것으로서, 보다 구체적으로는 로봇용 팔에 탈부착이 가능하도록 제공되는 1자유도 그리퍼 시스템을 제공하며, 특히 백래시의 영향을 없애고 미끄러짐의 최소화와 높은 분해능을 제공하기 위해 와이어를 이용한 구동원리가 적용된 1자유도 그리퍼 시스템에 관한 것이다.
Abstract:
본 발명은 정확한 힘 정보를 조작자에게 전달해주는 것보다 다양한 정보를 교류할 수 있게 한 햅틱 인터페이스에 관한 것으로서, 상세하게는 촉감뿐만 아니라 조작자가 필요로 하는 정보를 시각, 청각, 후각, 미각 등의 서로 다른 감각으로 전달하여 보다 다양한 정보를 제공할 수 있게 한 햅틱장치에 관한 것이다. 또한, 입력지점과 출력지점이 일치하거나 불일치할 수 있고, 다양한 출력지점을 구비하여 조작자가 원하는 다양한 지점으로 피드백을 제공할 수 있으며, 조작자에게 피드백을 통해 정보 제공할 때 단순한 온/오프(on/off) 신호의 출력이 아니라 출력의 강약을 조절하여 피드백을 제공할 수 있으며, 조작자가 햅틱 인터페이스로 입력하는 입력량이 조절 가능할 때는 입력량에 따라 피드백 출력강도가 다양하게 계산되고 조작자에게 피드백시킬 수 있게 한 햅틱장치에 관한 것이다.
Abstract:
According to an embodiment of the present invention, provided is a contact force measurement device comprising protrusion parts having an inverse T-shaped body, a protrusion formed at the top of the body with an oval-shaped cross section, and one or more strain gauge sensors attached throughout the both side surfaces and the lower surface of the body to measure contact force generated from the protrusion; a cover plate having a pair of rectangular through-holes through which the protrusion parts can be fitted in both side surfaces of the upper surface thereof to be coupled; and a drape plate coupled to the cover plate and having receiving grooves for receiving the protrusion parts formed in both side surfaces to receive the protrusion parts. The present invention enables a doctor to receive accurate feedback on interaction force caused when the internal organ of a human body is in contact with a surgery robot during a minimum invasion surgery by measuring the contact force with a non-contact method after the stain gauge sensors are attached to the slider of the surgery robot where surgery tools are attached. Thus, the doctor can reflect the feedback to the surgery to increase the accuracy of the surgery.
Abstract:
본 발명은 내시경 시뮬레이션용 반력 제공 장치로서, 보다 구체적으로는 내시경 시뮬레이터용 햅틱 장치에 사용되어 내시경 튜브에 반력을 제공하는 반력 제공 장치에 있어서, 반력이 발생하지 않는 상황에는 상기 내시경 튜브와 상기 반력 제공 장치가 서로 접촉하지 않는 상태를 유지하고, 반력이 발생하는 상황에 한하여 상기 내시경 튜브와 상기 반력 제공 장치가 접촉하도록 동작하는 것을 특징으로 하는 내시경 시뮬레이터용 반력 제공 장치에 관한 것이다.
Abstract:
본 발명은 반력 제공 시스템 및 이를 이용한 반력 메커니즘 제공 방법에 관한 것으로서, 보다 구체적으로는 가상 환경에서의 제1 객체 및 제2 객체의 가상 상황을 묘사하는 시뮬레이터에 사용되고, 상기 제1 객체에 연동되어 사용자에게 촉감을 전달하는 햅틱 장치와, 상기 제1 객체와 상기 제2 객체와의 관계에서 상기 햅틱 장치에 반력을 전달하는 반력 전달 장치를 포함하는 반력 제공 시스템에 있어서 반력이 발생하지 않는 상황에는 상기 햅틱 장치와 상기 반력 전달 장치가 서로 접촉하지 않는 상태를 유지하고, 반력이 발생하는 상황에 한하여 상기 햅틱 장치와 상기 반력 전달 장치가 서로 접촉하도록 하는 것을 특징으로 하는 반력 제공 시스템 및 이를 이용한 반력 메커니즘 제공 방법에 관한 것이다.
Abstract:
According to an embodiment of the present invention, a contact torque measurement device includes: an instrument which performs operation of burning or cutting biological tissue through electrical operation with three degrees of freedom in rotational (ROLL, PITCH, YAW) motions based on the X, Y and Z axes with respect to a support point or an RCM point; a cannular which is inserted into a human body to guide the instrument into the human body; and a docking clamp which fixates and supports the cannular to a slider which performs a translation motion and has a strain gauge sensor to measure a torque due to a contact force generated in a contact point with the cannular when the instrument invades into a human body. The present invention can improve the accuracy of operation by accurately receiving an interaction generated while the surgical robot and human organ are in contact when a surgeon conducts minimal invasive surgery by measuring a torque generated by a contact force at the end of the instrument with the strain gauge sensor attached to the docking clamp when the docking clamp which is to fixate the cannular, through which the instrument is inserted, is inclined while performing a rotational motion (ROLL, PITCH) based on the X-axis or Y-axis with respect to the support point.
Abstract:
The present invention relates to a simulator and, specifically, to a simulator for training needle interventional operation and an interface apparatus for the same. The present invention provides the interface apparatus for the simulator for training needle interventional operation which comprises: a needle imitation unit (1110) including a needle member (1123) extended along a needle shaft line corresponding to the needle; and a skin imitation unit (1170) which provides a standard surface (S) corresponding to skin. The needle imitation unit (1110) comprises: a linear moving unit (1120) which enables the needle member (1123) to move in the needle shaft line (A) direction; and a rotary unit (1140) which facilitates rotation of the linear moving unit (1120) based on a rotary center (O) located on the needle shaft line (A) in order for the needle members (1123) to be inclined based on the standard surface (S). The skin imitation unit (1170) comprises: a control panel member (1171) which forms the standard surface (S); and a supporting unit (1180) which supports to enable the control panel unit (1171) to move on the standard surface (S) in plane.
Abstract:
The present invention relates to a device and a method for measuring torque or power of a multi-DOF gripper by using a slider of a robot arm. According to the device and the method for measuring a contact force, which is power or torque, between a gripper and a target object, the contact force is measured based on the torque transmitted to the gripper from the slider of the robot arm, which is sensed by an external sensor, without attaching the sensor to the gripper inserted into a body. [Reference numerals] (1) Gripper;(100) Main computer;(11) Robot arm;(110) Control program;(2) Slider;(200) Slave computer;(3) Operating body;(300) Motion controller;(S) Sensor;(SW) Adhesive power calculating program
Abstract:
PURPOSE: A reaction force providing system including a haptic apparatus and a reaction force apparatus and reaction force mechanism providing method are provided to offer reaction forces to a user by connecting a reaction force transmission apparatus and a haptic apparatus. CONSTITUTION: A haptic apparatus(10) includes a connection member transmitting a reaction force from a reaction force transmission apparatus(20) to the control unit. The reaction force transmission apparatus is provided to a body unit and includes a supporting unit supports the connection member and a pressure unit. The pressure unit maintains a non-connection state with the connection member and transmits pressure by connecting to the connection member when the reaction force is generated. [Reference numerals] (1) First object; (10) Haptic apparatus; (2) Second object; (20) Reaction force transmission apparatus; (3) Simulator; (6) Virtual environment creation unit; (7) Control unit; (AA) Virtual environment