Abstract: A railroad vehicle monitoring system installed on a railroad vehicle includes: wireless sensor devices installed at attached equipment of the railroad vehicle, including a sensor that senses statuses of the attached equipment, configured to wirelessly transmit a sensing value sensed by the sensor in real time, and including an energy harvester configured to convert energy generated by running of the railroad vehicle into electric energy, and supply the electric energy as a power source for the sensor, a signal process in the sensing value, and wireless communication of the sensing value; sink node devices configured to wirelessly receive the sensing value and output, in real time, railroad vehicle status information obtained by integrating the received sensing value; and a vehicle status monitoring device configured to receive the railroad vehicle status information, integrate and manage the railroad vehicle status information, and output the integrated railroad vehicle status information in real time.

Abstract: Provided is an orientation control device for a magnetic fluid, includes: a magnetic fluid having magnetic nanoparticles; an induction power generation unit configured to include a silicone tube through which the magnetic fluid passes and a solenoid coil which is wound around a predetermined section outside the silicone tube to generate induced power when the magnetic fluid passes through an inner side of the silicone tube; and a magnetic pole direction control unit configured to include a silicone tube at an entrance portion of the induction power generation unit and a solenoid coil wound around a predetermined section outside the silicone tube and generating a flux when a current flows therein so as to control pole orientation of the magnetic fluid.

Abstract: A door structure of an electric rail car is provided to block outside noise and vibration. The door structure of the electric rail car includes a door frame, a guide rail and a sealing device. The door frame has an opening thereinside. The guide rail guides an opening and a closing of the door frame. The sealing device is inserted into the opening, descends to make contact with the guide rail when the door frame is closed, and ascends to be spaced apart from the guide rail when the door frame is open.

Abstract: A charging apparatus for unmanned aerial vehicles and a charging method thereof. The charging apparatus includes: a transmit coil provided to a charging station and generating a magnetic field; a reception coil generating induced electromotive force according to variation of magnetic flux of the transmit coil; a reception coil adjuster adjusting at least one of an inclination and an orientation of the reception coil; and a controller controlling at least one of the inclination and the orientation of the reception coil by controlling the reception coil adjuster according to magnitude of the induced electromotive force generated in the reception coil by the magnetic field generated in the transmit coil.

Abstract: By supporting a space generated by a settlement of the track bed gravel or asphalt roadbed underneath a concrete rail tie with cylindrical rods, and installing the present invention, one each separately, on the left and right sides of the concrete rail tie, recovery from settlements is automatic, and the response to differential settlements of the left and right rails of the track due to the train load can be easily facilitated, and by installing pressure reducing valves on the upper part of the concrete rail ties, pressure can be reduced while maintaining the track system as is without having to dismantle the concrete rail ties, and accordingly the usability of the concrete rail ties can be improved.

Abstract: Disclosed is a non-contact power feeding apparatus using a conductive fluid, through which an electric railroad vehicle or a trolleybus receives required power from a contact wire in a non-contact state by using the conductive fluid. The non-contact power feeding apparatus according to the present invention includes: a fluid injection hole defined in a vehicle to inject the conductive fluid toward the contact wire; a conductive fluid container for supplying the conductive fluid that is injected through the fluid injection hole; a pressing pump for injecting the conductive fluid within the conductive fluid container through the fluid injection hole; and a current collection terminal disposed on a side of the fluid injection hole to receive the power from the contact wire in a non-contact manner by using the conductive fluid as a medium.

Abstract: The present invention relates to an active pressurization system making use of a platform track area upper slab of an underground train station. A track area, where a fast train and a slow train pass through an underground train station, is divided into a fast-train running space and a slow-train running space by means of a partition wall. Formed in an upper slab of the train station, there are a first and a second air-stream out- and in-flow space respectively linking to the fast-train running space and the slow-train running space. The front end of the second air-stream out- and in-flow space is provided with a first port and a first damper, while the rear end is provided with a second port and a second damper. The second air-stream out- and in-flow space is provided with a third port for venting of the slow-train running space. The first air-stream out- and in-flow space is provided with a fourth port for venting of the fast-train running space.

Abstract: Disclosed are a railway vehicle braking system and method. The railway vehicle braking system includes a braking command generating unit generating a braking command to stop a railway vehicle, a comparison unit determining whether the braking command has been changed, a delay unit delaying and outputting the braking command depending upon a determination result from the comparison unit, and a digital-to-analog converter converting the braking command, which has been delayed by the delay unit, into an analog signal and inputting the analog signal to an actuator.

Abstract: A cartridge for tunnel blasting is provided a cartridge for tunnel blasting, which easily breaks a rock, by inserting a cartridge containing water into a bore hole formed in a rock by using a boring device, and injecting liquid nitrogen into the inserted cartridge, so as to induce cracks of the rock by using the characteristic of the water that expands when it is frozen.

Abstract: A structure for reducing a tunnel micro pressure wave is provided. The structure includes a hood structure formed in front of an entry of a railroad tunnel; and an air pipe section in which at least one air pipe is provided along the circumference of the hood structure, wherein the air pipe comprises a horizontal introduction section formed to be extended from an internal side of the hood structure toward a longitudinal direction of the hood structure, an outlet section formed on an external side of the hood structure, and an intermediate section connecting the horizontal introduction section and the outlet section through each other.

Abstract: The invention relates to a tunnel excavation device, which includes an excavation head, a main body on which the excavation head is rotatably mounted, a motor provided in the main body and rotates the excavation head, and a controller for controlling the motor, wherein the excavation head includes a perforating means formed by maintaining a predetermined interval from the center of a body part, which has a front surface formed in the shape of a circular plate, to the outer surface of the body part, an injection means for injecting water and liquid nitrogen into the hole formed by the perforating means, and a plurality of cutters provided on the surface of the main body for crushing the bedrock.

Abstract: A door structure of an electric rail car is provided to block outside noise and vibration. The door structure of the electric rail car includes a door frame, a guide rail and a sealing device. The door frame has an opening thereinside. The guide rail guides an opening and a closing of the door frame. The sealing device is inserted into the opening, descends to make contact with the guide rail when the door frame is closed, and ascends to be spaced apart from the guide rail when the door frame is open.

Abstract: An apparatus for detecting a position of a train, the apparatus includes a reader. The reader electrically irradiates beams along a plurality of directions toward a tag, combines signals received from the tag and obtains a beam direction information toward the tag, and then detects the position of the train using the beam direction information and a tag information of the tag.

Abstract: The present invention relates to an absolute position detection system. More particularly the present invention relates to a system for detecting an absolute position on a vehicle travel path.

Abstract: Provided is a high heat resistant brake disk for a railroad vehicle, which is manufactured using a nano material having high heat conductivity, such as a carbon nanotube (CNT) or graphene, to improve heat resistance of an overheated portion of the brake disk, and which can extend a life of the brake disk by suppressing performance deterioration due to a thermal shock. The high heat resistant brake disk includes a hub inserted into an axle of the railroad vehicle and an outer circumference coupled to a vehicle wheel to coaxially rotate with the vehicle wheel, wherein at least one pattern unit made from a high heat resistant nano material is formed on one surface of the brake disk.

Abstract: The present invention relates to a carbon dioxide adsorption and to a regeneration apparatus, and more particularly, to a carbon dioxide adsorption and to a regeneration apparatus which adsorb carbon by means of a carbon dioxide adsorption unit and allow the carbon dioxide to be separated from the adsorption unit so as to be reused by detecting if an adsorption state is saturated. To achieve the above mentioned purpose, the present invention includes: a case; the adsorption unit that is provided in the case so as to adsorb the carbon dioxide; and a control unit that controls the adsorption unit, wherein the adsorption unit has a hot wire than has a heating element, and an adsorption layer is coated with a carbon dioxide adsorbing agent outside the hot wire.

Abstract: The present invention relates to a system for providing traffic information using augmented reality, and comprises: an AR server for providing a virtual image which is obtained by processing transfer information on transfer locations at stops for transportation means and information according to the transportation means, using characters and graphics; and a personal portable communication device which displays the virtual image received from the AR server while overlapping the virtual image on a real-captured image of a transfer location obtained through a camera.

Abstract: The present invention relates to a two-phase, two-column linear pulse motor propulsion system, and more particularly to a two-phase, two-column linear pulse motor propulsion system which can implement high-speed driving, stopping, and switching directions forward/backward through non-adhesive driving characteristics by improving accelerating performance and torque performance. The two-phase, two-column linear pulse motor propulsion system comprises a field unit 121, 122 prepared in two columns in the longitudinal direction under a moving body 110 so as to generate a magnetic field; an armature unit 131, 132 which is prepared on a travelling track, generates a shifting field by the power supplied from a power conversion device, is prepared in two columns so as to correspond to the two-column field unit 121, 122 and generates the propulsion force of the moving body 110 through interaction due to a two-phase synchronous signal.

Abstract: A method for reducing data of sensor devices in a vehicle includes collecting detection data periodically from the sensor devices and calculating an average value of the data collected during a cycle. The collected data may be compared with the calculated values and a deviation with previous data may be calculated by an upper and lower value difference method. A difference between the collected data and average values may also be calculated by a deviation method. The calculated value is stored. Data from a plurality of running vehicles may be periodically transmitted to a driving control center in order to monitor devices related to operations of all of the running vehicles in near real time.

Abstract: The present invention relates to a sealing type screen door device, wherein a screen door is provided so as to be encompassed by a door of a train entering a station building, and an adsorption means is provided at the screen door so as to allow the screen door to be completely sealed and fixed to the body of the train, thereby completely blocking a change in air pressure (pressure wave) generated by the entering of the train so as to prevent the inflow of pressure waves into the station building. According to the present invention, the screen door device comprises: a sliding unit provided at a screen so as to cover a screen door; and an adsorption unit provided at the sliding unit so as to be adsorbed on an outer surface of a train.