Abstract: In accordance with one aspect of the present disclosure, there is provided an apparatus for detecting rain using a wire mesh sensor including: a wire mesh which is configured to include a plurality of transmitters and a plurality of receivers; and a fixing part for fixing the wire mesh; wherein the plurality of transmitters supply electricity to the wire mesh, and wherein, in response to rain being positioned between a specific transmitter among the plurality of transmitters and a specific receiver among the plurality of receivers, the specific receiver is configured to receive the electricity from the specific transmitter and then transmit the electricity to a measuring part, to thereby allow the measuring part to measure conductivity. This hemispherical apparatus can detect rain accurately by making the incident angles of the rain to be vertical regardless of the directions of the rain.

Abstract: A semiconductor manufacturing facility includes: a process chamber in which an amorphous carbon layer (ACL) process in which amorphous carbon is deposited so that an ACL is formed, is performed; a vacuum pump in which a residual gas generated in the process chamber is discharged from the process chamber while the ACL process is performed; a chamber exhaust pipe through which the process chamber and the vacuum pump communicate with each other; a plasma reactor configured to form a plasma reaction region using plasma; and a gas supplying device configured to supply a treatment gas to the plasma reactor.

Abstract: A secondary battery includes an electrode assembly having a positive electrode provided with a positive electrode tab, a separator, and a negative electrode provided with a negative electrode tab, the positive electrode, the separator, and the negative electrode being wound, the electrode assembly having a core part at a center thereof; a can configured to receive the electrode assembly therein, the negative electrode tab being connected to the can; a cap assembly coupled to an opening of the can, the positive electrode tab being connected to the cap assembly; and a reinforcing member provided on an end of the separator exposed beyond the positive electrode or the negative electrode to prevent heat of the positive electrode tab or the negative electrode tab from being transferred to the separator.

Abstract: A gripper includes a body part, a finger base part coupled to the body part, and a finger part coupled to a first side of the body part or the finger base part and coupled to the body part or the finger base part to be reciprocal, wherein the finger part comprises a first link structure and a second link structure, sides of which are coupled to the finger base part, respectively, and wherein, in the first link structure and the second link structure, a first support area of the first link structure and a second support area of the second link structure reciprocate in only one of a plurality of directions that cross a direction in which the finger part reciprocates with respect to the finger base part.

Abstract: A gripper includes a body part, a finger base part coupled to the body part to be rotatable, the finger base part including a first finger base part and a second finger base part configured such that when the first finger base part is rotated in a first direction with respect to the body part, the second finger base part is provided to be rotatable in a second direction opposite the first direction with respect to the body part, and a finger part coupled to a first side of the body part or the finger base part to be reciprocal.

Abstract: A semiconductor device includes a multi-channel active pattern, a plurality of gate structures on the multi-channel active pattern and spaced apart from each other in a first direction, the plurality of gate structures including a gate electrode that extends in a second direction different from the first direction, a source/drain recess between the adjacent gate structures, and a source/drain pattern on the multi-channel active pattern in the source/drain recess, wherein the source/drain pattern includes: a semiconductor liner layer including silicon-germanium and extending along the source/drain recess, a semiconductor filling layer including silicon-germanium on the semiconductor liner layer, and at least one or more semiconductor insertion layers between the semiconductor liner layer and the semiconductor filling layer, and wherein the at least one or more semiconductor insertion layers have a saddle structure.

Abstract: An embodiment device includes an input module including a motor configured to generate a rotational force, an output module configured to receive power from the input module to be rotatable, and a connection module having a first side coupled to the input module and a second side, opposite the first side, coupled to the output module, wherein the connection module is configured to transmit the power from the input module to the output module.

Abstract: An embodiment joint structure includes a first connection link configured to be fixed to one side of a wearer, a second connection link coupled to the first connection link to be rotatable about a first rotation axis, a third connection link coupled to the first connection link to be rotatable about a second rotation axis spaced apart from the first rotation axis, and a fourth connection link, a first side of which is coupled to the second connection link to be rotatable about a third rotation axis and a second side of which is coupled to the third connection link to be rotatable about a fourth rotation axis spaced apart from the third rotation axis, wherein an imaginary first extension axis, an imaginary second extension axis, an imaginary third extension axis, and an imaginary fourth extension axis intersect each other in an intersection area.

Abstract: A fault diagnostic apparatus for a fuel cell electric vehicle and a method therefor are provided. The apparatus includes: a main relay connected to a fuel cell stack; a power converter connected to the main relay; a heater relay connected to the fuel cell stack and the main relay at one end and connected to a cathode oxygen depletion (COD) heater at the other end; and a fuel cell control unit (FCU) connected with the main relay, the power converter, and the heater relay. The FCU diagnoses a fault of the main relay based on an amount of change in stack voltage according to control to turn off and on the heater relay and a power of the power converter according to variable control of a voltage of the power converter, when the vehicle enters a shutdown sequence, and outputs the diagnosed result.

Abstract: A hydrogen supply system for a fuel cell and a control method thereof includes a fuel cell, a hydrogen supply line connected to an inlet side of an anode of the fuel cell and supplying hydrogen to the fuel cell, a hydrogen supply pressure sensor configured for measuring pressure of the hydrogen supply line, and a controller electrically connected to the hydrogen supply pressure sensor and configured for deriving a correction value of the hydrogen supply pressure sensor, supplying hydrogen after air supply is cut off during an operation of the fuel cell, measuring a pressure variation of the hydrogen supply line, and determining whether to use a correction value of the hydrogen supply pressure sensor based on the measured pressure variation.

Abstract: An exemplary embodiment of the present disclosure provides an insulation resistance detection apparatus including a processor configured to separate a fuel cell from a high voltage battery depending on an insulation resistance value of a vehicle during driving of the vehicle, and then to measure an insulation resistance value of the fuel cell to determine whether it is a failure of the fuel cell or a failure of the high voltage battery, and when it is the failure of the fuel cell, to determine a cause of the failure by calculating an insulation resistance variation; and a storage configured to store data and algorithms driven by the processor.

Abstract: A fault diagnostic apparatus for a fuel cell electric vehicle and a method therefor are provided. The apparatus includes: a main relay connected to a fuel cell stack; a power converter connected to the main relay; a heater relay connected to the fuel cell stack and the main relay at one end and connected to a cathode oxygen depletion (COD) heater at the other end; and a fuel cell control unit (FCU) connected with the main relay, the power converter, and the heater relay. The FCU diagnoses a fault of the main relay based on an amount of change in stack voltage according to control to turn off and on the heater relay and a power of the power converter according to variable control of a voltage of the power converter, when the vehicle enters a shutdown sequence, and outputs the diagnosed result.

Abstract: A method of preventing surge for a vehicle may include detecting, by a controller, whether tip-out of an accelerator pedal is detected, comparing, by the controller, a difference value, obtained by subtracting an exhaust pressure from an intake pressure in a combustion chamber of an engine, with a predetermined reference value when the tip-out of the accelerator pedal is detected, driving, by the controller, a supercharger disposed at the rear end portion of a turbocharger at a predetermined number of revolutions per minute, which is lower than a normal number of revolutions per minute, when the difference value is greater than the reference value, and opening a bypass valve, which performs opening or closing operation and is disposed in a bypass line that diverges from an upstream point of the supercharger and is connected to a downstream point of the supercharger.

Abstract: A method of preventing surge for a vehicle may include detecting, by a controller, whether tip-out of an accelerator pedal is detected, comparing, by the controller, a difference value, obtained by subtracting an exhaust pressure from an intake pressure in a combustion chamber of an engine, with a predetermined reference value when the tip-out of the accelerator pedal is detected, driving, by the controller, a supercharger disposed at the rear end portion of a turbocharger at a predetermined number of revolutions per minute, which is lower than a normal number of revolutions per minute, when the difference value is greater than the reference value, and opening a bypass valve, which performs opening or closing operation and is disposed in a bypass line that diverges from an upstream point of the supercharger and is connected to a downstream point of the supercharger.