Abstract: A rotary compressor may include a rotational shaft; first and second bearings that support the rotational shaft in a radial direction; a cylinder disposed between the first bearing and the second bearing, and forming a compression space; a rotor forming a contact point, disposed in the compression space, and having a predetermined gap with the cylinder, and coupled to the rotational shaft to compress refrigerant according to rotation; and at least one vane slidably inserted into the rotor, and contacting an inner circumferential surface of the cylinder to separate the compression space into a plurality of regions.

Abstract: Disclosed is a method of removing motion artifacts from functional near-infrared spectroscopy (fNIRS) signals. The method includes: disposing N optodes at a plurality of locations on a scalp, and forming a plurality of channels between the N optodes; calculating a correlation coefficient difference index of a neighbor channel around each receiver optode, and detecting a receiver optode in which a motion artifact has occurred based on the correlation coefficient difference index; and removing motion artifacts based on the detected receiver optode and an arrangement structure of the N optodes.

Abstract: A rotary compressor includes a cylinder that is coupled to an inner space of a casing and that defines a compression space, a first bearing and a second bearing located at upper and lower sides of the cylinder, a roller disposed eccentrically with respect to an inner circumferential surface of the cylinder to vary a volume of the compression space based on rotation, and a vane inserted into the roller to rotate together with the roller, and drawn out toward the inner circumferential surface of the cylinder during the rotation of the roller to partition the compression space into a plurality of compression chambers. A suction passage communicating with the compression space is defined in the first bearing or the second bearing, and a suction port communicating between the suction passage and the compression space is defined on a side surface of the cylinder.

Abstract: The present disclosure relates to a two-stage rotary compressor in which refrigerant inhaled into a compression space of a cylinder is compressed sequentially in two axially connected compression chambers and then is discharged. A rotary compressor according to an embodiment of the present disclosure includes a first compression unit and a second compression unit arranged on and along a single rotation shaft. Middle-pressure refrigerant discharged from the first compression unit flows into the second compression unit. A maximum gas force of the first compression unit and a maximum gas force of the second compression unit counteract with each other, thereby reducing a reaction force acting on a rotation shaft. According to the present disclosure, a single rotary compressor is configured to separately achieve the stroke volume increase and the compression period increase.

Abstract: A vane rotary compressor may include a cylinder provided with at least one outlet port; a plurality of bearings coupled to both sides of the cylinder in an axial direction of the cylinder to form a compression space together with the cylinder; a rotational shaft radially supported by the plurality of bearings; a roller rotatably coupled to the rotational shaft and provided with a plurality of vane slots formed in a circumferential direction, each having a first end opened to an outer circumferential surface thereof; a plurality of vanes slidably inserted into the plurality of vane slots of the roller, respectively, and protruding toward an inner circumferential surface of the cylinder to partition the compression space into a plurality of compression chambers, respectively; a discharge valve coupled to the cylinder to open and close the at least one outlet port; and at least one bypass hole formed in at least one of the plurality of bearings or formed in the cylinder to bypass a portion of refrigerant compres

Abstract: Disclosed are a simulator and a simulation system for brain training. The brain training simulator comprises: a communication unit for sending training content to a training apparatus so that the content is displayed on the training apparatus; an input unit for acquiring brain signals of a user on the basis of a non-invasive brain activation measurement method; and a control unit for determining the intention of the user on the basis of the acquired brain signal data and preset intention data. The control unit determines, as the intention of the user, the preset intention data matched with the brain signal data, controls an operation of the training apparatus on the basis of the determined intention of the user, controls the playback of the training content so as to correspond to the operation of the training apparatus, and provides the user with feedback for inducing brain activation.

Abstract: A compressor is provided in which an outer circumferential side cross-sectional area of a vane slot is formed smaller than an inner circumferential side cross-sectional area thereof to decrease an area receiving a force in a roller direction by a vane to reduce a contact force between the roller and the vane, and a gas accommodation portion selectively forming a suction pressure and an intermediate pressure is formed between the vane and the vane slot to control the contact force. A contact surface of the vane facing the roller is formed at a side of a compression chamber to reduce the contact force, and a space forming a discharge pressure is formed at at least either one side of a side surface of the vane and a cylinder to decrease a side directional reaction force applied to the vane, thereby reducing a friction between the vane and the cylinder.

Abstract: Disclosed is a method of removing motion artifacts from functional near-infrared spectroscopy (fNIRS) signals. The method includes: disposing N optodes at a plurality of locations on a scalp, and forming a plurality of channels between the N optodes; calculating a correlation coefficient difference index of a neighbor channel around each receiver optode, and detecting a receiver optode in which a motion artifact has occurred based on the correlation coefficient difference index; and removing motion artifacts based on the detected receiver optode and an arrangement structure of the N optodes.

Abstract: The present disclosure relates to a two-stage rotary compressor in which refrigerant inhaled into a compression space of a cylinder is compressed sequentially in two axially connected compression chambers and then is discharged. A rotary compressor according to an embodiment of the present disclosure includes a first compression unit and a second compression unit arranged on and along a single rotation shaft. Middle-pressure refrigerant discharged from the first compression unit flows into the second compression unit. A maximum gas force of the first compression unit and a maximum gas force of the second compression unit counteract with each other, thereby reducing a reaction force acting on a rotation shaft. According to the present disclosure, a single rotary compressor is configured to separately achieve the stroke volume increase and the compression period increase.

Abstract: A rotary compressor includes a cylinder that is coupled to an inner space of a casing and that defines a compression space, a first bearing and a second bearing located at upper and lower sides of the cylinder, a roller disposed eccentrically with respect to an inner circumferential surface of the cylinder to vary a volume of the compression space based on rotation, and a vane inserted into the roller to rotate together with the roller, and drawn out toward the inner circumferential surface of the cylinder during the rotation of the roller to partition the compression space into a plurality of compression chambers. A suction passage communicating with the compression space is defined in the first bearing or the second bearing, and a suction port communicating between the suction passage and the compression space is defined on a side surface of the cylinder.

Abstract: A hermetic compressor includes a casing, a cylinder coupled to an inside of the casing, the cylinder defining a compression space, a first bearing and a second bearing defining a compression space together with the cylinder, a roller located an eccentric position with respect to an inner surface of the cylinder and configured to vary a volume of the compression space, and a vane inserted into the roller to rotate together with the roller, and drawn out toward the inner circumferential surface of the cylinder when the roller rotates to divide the compression space into a plurality of compression chambers. An inlet port in communication with the compression space is defined in the first bearing or the second bearing, and a refrigerant suction pipe penetrating through the casing is inserted to be coupled to the inlet port.

Abstract: The present invention relates to an electric gripper driven by a motor, and more particularly to a detachable and detachable modular gripper for universal use enhanced in universality and increased in easiness of maintenance and repair by forming a gripper in a plurality of modules.

Abstract: There is provided an upper limb rehabilitation robot including: a base frame that has a side to which a connecting support is rotatably laterally connected; a connecting shaft unit that is rotatably disposed at a side of the connecting support; a link unit that has a side coupled to the connecting shaft unit and the other side with an upper limb connector mounted to enable a person who needs rehabilitation to connect an upper limb; an active actuator that rotates a connecting shaft unit; and a manual actuator that generates resistant torque against rotation to the connecting shaft unit.

Abstract: An apparatus for an assembly process, where in a flexible object is moved by a manipulator to be engaged with a connector, including: a body provided in the manipulator and moved toward the connector; a driving part provided inside of the body; a moving part provided under the body and moved up and down by the driving part to press and grip a flexible object; and a fixing part with one end provided under the body, the other end positioned under the moving part, and a top surface including a support plate to be mounted with the flexible object.

Abstract: The present disclosure may provide a compressor in which an outer circumferential side cross-sectional area of a vane slot is formed to be smaller than an inner circumferential side cross-sectional area thereof to decrease an area receiving a force in a roller direction by a vane so as to reduce a contact force between the roller and the vane, and a gas accommodation portion capable of selectively forming a suction pressure and an intermediate pressure is formed between the vane and the vane slot to appropriately control a contact force between the vane and the roller, and a contact surface of the vane facing the roller is broadly formed at a side of a compression chamber to appropriately reduce a contact force between the roller and the vane, and a space portion forming a discharge pressure is formed at least either one side of a side surface of the vane and a cylinder corresponding thereto to decrease a side directional reaction force applied to the vane, thereby reducing a mechanical friction loss between

Abstract: An apparatus for an assembly process, where in a flexible object is moved by a manipulator to be engaged with a connector, including: a body provided in the manipulator and moved toward the connector; a driving part provided inside of the body; a moving part provided under the body and moved up and down by the driving part to press and grip a flexible object; and a fixing part with one end provided under the body, the other end positioned under the moving part, and a top surface including a support plate to be mounted with the flexible object.

Abstract: There is provided an upper limb rehabilitation robot including: a base frame that has a side to which a connecting support is rotatably laterally connected; a connecting shaft unit that is rotatably disposed at a side of the connecting support; a link unit that has a side coupled to the connecting shaft unit and the other side with an upper limb connector mounted to enable a person who needs rehabilitation to connect an upper limb; an active actuator that rotates a connecting shaft unit; and a manual actuator that generates resistant torque against rotation to the connecting shaft unit.

Abstract: A hermetic compressor is provided that may include a fluid guide disposed in an inner space of an intermediate chamber, so as to guide oil, discharged from a first compression chamber of a first compression device into the inner space of the intermediate chamber, to a second compression chamber of a second compression device without remaining in the inner space of the intermediate chamber, whereby noise generated due to an excessive amount of oil remaining in the inner space of the intermediate chamber may be reduced, and simultaneously a shortage of oil in the second compression device may be prevented.

Abstract: Provided are a rehabilitation training system and method that provide active rehabilitation training to a patient requiring rehabilitation treatment. The rehabilitation training system and method provide rehabilitation-related information to the patient to provoke a rehabilitation intent of the patient, and continuously measure a biological signal of the patient to monitor a state of the patient, thereby providing active rehabilitation training suitable for the state of the patient.

Abstract: A compressor is provided that includes an accumulator formed in an internal space of a shell to reduce a size of the compressor. An accumulator space may be formed using the shell of the compressor, thereby simplifying an assembly process. A stationary shaft having a refrigerant suction passage may be directly connected to the accumulator to prevent leakage of refrigerant. A discharge passage may be formed in a rotating body to enhance a cooling effect of a drive motor, and an oil separating member may be installed in the discharge passage to prevent oil from being excessively leaked out. A center of gravity of the accumulator may correspond to a center of gravity of the compressor to reduce vibration noise of the compressor caused by the accumulator. An area for installing a compressor including the accumulator may be minimized to enhance design flexibility of an outdoor device.