Abstract: The present invention relates to an embedded robot control system, particularly to an embedded robot control system of a highly expandable distributed control mode. An aspect of the present invention features an embedded robot control system. In accordance with an embodiment of the present invention, the embedded robot control system, which controls a plurality of robot instruments, which have a motor and a sensor, and a robot, which is connected with the plurality of robot instruments, can include a master controller, which is installed on the robot and controls the motor and the sensor of the robot instrument, and a slave controller, which is installed on another robot, connected to the robot, or the robot instrument and receives a control signal of the motor or the sensor from the master controller and controls the motor and the sensor.

Abstract: Disclosed is a turret device. The turret device according to one embodiment of the present invention includes an upper turret installed in a vertical opening which penetrates a hull; and a lower turret which is coupled to the bottom of the upper turret and has a lower bearing assembly which supports the hull to allow rotation, wherein a lower bearing is arranged on the outer surface of the lower turret; and an independent sliding pad is coupled to the inner surface of the hull forming the vertical opening, and slidably contacts the lower bearing in the shape of a plate.

Abstract: Provided is a driving apparatus of a variable pitch propeller having blades, each of which has a pitch angle changed in a rotational direction of a propeller shaft, and a pitch adjuster for adjusting the pitch angle. The pitch adjuster includes blade actuating shafts that are connected to eccentric stubs coupled to lower ends of the blades and are disposed inside the propeller shaft so as to allow linear reciprocation and to push or pull the eccentric stubs, and a power converter that converts a rotating motion of the propeller shaft into a linearly reciprocating motion of the blade actuating shafts.

Abstract: Disclosed are an underwater moving apparatus and a moving method thereof. The underwater moving apparatus of an exemplary embodiment of the present invention includes a body; a propelling device installed on a rear side of the body; a thruster unit including an up and down directional thruster and a left and right directional thruster installed at the body; and a plurality of leg units positioned at both side portions of the body and including a multi-joint module.

Abstract: Provided is a blade maintenance device for a wind turbine. The blade maintenance device for the wind turbine includes: a body that travels along a leading edge of a blade; support units that extend from the body to both sides of the blade and support the sides of the blade; and a maintenance unit installed at at least one of the body and the support units so as to perform maintenance of an outer side of the blade.

Abstract: Disclosed are a ship propulsion device and a ship having the same. According to one embodiment of the present invention, the ship propulsion device includes a rear propeller fixed on a drive shaft; a front propeller supported on a drive shaft of the front of the rear propeller to be rotated; and a reverse rotary device having a plurality of gears which are provided on a rear side of the ship, and transmits rotation of the drive shaft after reversing the rotation to the front propeller.

Abstract: Disclosed herein is a propulsion apparatus for ships. The propulsion apparatus, which includes a front propeller and a rear propeller to rotate in opposite directions and provides propulsion power to propel a hull of a ship, includes a power unit to supply power to rotate the rear propeller, a main shaft to transfer the power supplied from the power unit to the rear propeller, a hollow shaft extending in a longitudinal direction of the main shaft to allow the main shaft to pass therethrough and coupled to the front propeller, a drive motor including a rotor coupled to an outer circumferential surface of the hollow shaft and a stator supported by the hull, the drive motor rotating the hollow shaft in a direction opposite to a direction of rotation of the main shaft, and an electricity supply unit to supply electricity to the drive motor.

Abstract: An insulation structure of a cargo tank in an LNG carrier and a method of constructing the insulation structure include a first metal foil attached and installed in between the top insulation panel and the bottom insulation panel, a second metal foil attached to and installed on the first metal foil that is positioned on an upper side of a gap formed between the bottom insulation panels, and a top bridge panel attached to and installed on an upper side of the second metal foil.

Abstract: A floating offshore structure is disclosed. The floating offshore structure, which is for drilling or production, includes a semi-submerged platform body in the shape of a cylinder that is extended vertically above and below the sea level. The platform body is formed with a concave part that reduces its cross-sectional area. The concave part is discontinuously formed along an external circumferential surface of the platform body. The depth of submergence of the platform body is adjusted so that the water line is located at the concave part in an extreme marine condition.

Abstract: Provided is a ship propelling apparatus including a rotation shaft on which a rear propeller is fixed; a front propeller rotatably supported on the rotation shaft in front of the rear propeller; and a counter-rotating device through which the rotation shaft passes, which includes a gear box including therein a plurality of gears configured to reverse rotation of the rotation shaft and transfer the reversed rotation to the front propeller, and which is installed in an installation space formed at the rear of a ship. The rotation shaft includes a measurement hole formed to pass through a center of the rotation shaft for centering of the counter-rotating device installed in the installation space; and an individual lubricant path separated from the measurement hole.

Abstract: The present invention discloses a method and an apparatus for power control. An apparatus for power control in accordance with an embodiment of the present invention can include: a voltage comparing part configured to compute an error voltage by using a measured voltage measured at the generator and a reference voltage that is designated; a control module configured to compute a first reactive power value for power control of the generator by being inputted with the error voltage; and a driving module configured to compute a reference reactive power value by using the first reactive power value and a second reactive power value computed using an active power value of the power converter and configured to control the power converter in correspondence with the computed reference reactive power value.

Abstract: Provided are a propulsion device for a ship and a ship including the same. The propulsion device for the ship includes: a rear propeller fixed to a rotation shaft; a front propeller that is rotatably supported on the rotation shaft in the front of the rear propeller; at least one bearing interposed in at least one of spaces between a hub of the front propeller and the rotation shaft and between the rotation shaft and a ship body; and an inverse rotation unit that inverts rotation of the rotation shaft, transfers the inverted rotation to the front propeller and includes a gearbox that is accommodated in an installation space formed in a tail of the ship body in a state in which a plurality of gears for implementing inversion of the front propeller are embedded, wherein at least one measurement unit for measuring operating states of the at least one bearing is mounted to the rotation shaft.

Abstract: Disclosed herein are a pump tower installation structure of a liquefied natural gas (LNG) storage tank and a manufacturing method thereof. The pump tower installation structure of the LNG storage tank includes an adaptor disposed at a predetermined area of an opening portion formed at an inner hull disposed on an upper side of the LNG storage tank, and a cover having through-holes corresponding to pipes of the pump tower installed at the storage tank, and disposed at a remaining area of the opening portion to be connected with the adaptor.

Abstract: Disclosed are a propulsion device for a ship and a ship having same. The propulsion device, according to an embodiment of the present invention, comprises: a rear propeller fixed to a driveshaft; a front propeller positioned in front of the rear propeller, and supported rotably on the driveshaft; and a counter rotation device for reversing and transmitting the rotation of the driveshaft to the front propeller; a motor for rotating the driveshaft; and an housing, which extends from to the lower part of the hull, and which is installed so as to envelope the counter rotation device and the motor.

Abstract: A waste heat recovery device for a marine vessel is disclosed. According to the embodiments of the present invention, the waste heat recovery device for a marine vessel includes: a heat exchanger, which recovers heat from the exhaust fumes discharged from the engine, to heat a first refrigerant under uniform pressure; a turbine which is driven by adiabatically expanding the first refrigerant heated under uniform pressure; a condenser which condenses the adiabatically expanded first refrigerant; and a heat exchanging pump which compresses the condensed first refrigerant so as to re-circulate the compressed first refrigerant to the heat exchanger.

Abstract: Disclosed are a device and a method for bonding an auxiliary secondary barrier for an LNG storage tank. The device for bonding an auxiliary secondary barrier includes: a frame; a driving unit, a portion of which is arranged in the frame, and which enables the frame to move on an upper heat insulation board corresponding to an exposed portion of a main secondary barrier; an adhesive applying unit arranged in the frame to apply an adhesive on the exposed portion; an auxiliary secondary barrier supply unit arranged in the frame to supply an auxiliary secondary barrier on the adhesive applied on the exposed portion; and one or more heating unit arranged in the frame to heat at least one of the exposed portion to which the adhesive contained in the adhesive applying unit is to be applied and the auxiliary secondary barrier to be supplied on the applied adhesive.

Abstract: Provided is a system for controlling temperature of a gear box for a wind power generator gear box. The system for controlling a temperature according to an exemplary embodiment of the present invention includes: a temperature sensor configured to measure a temperature of the gear box; a temperature adjustment unit configured to adjust the temperature of the gear box in accordance with the temperature of the gear box which is measured by the temperature sensor; a pitch adjustment unit configured to adjust a pitch angle of the blade; and a control unit configured to control the pitch adjustment unit so that the blade is rotated at a rotating speed for heating when the measured temperature of the gear box is lower than a range of a normal operating temperature of the gear box.

Abstract: The present invention relates to an offshore wind power generator, a lifting jig for transferring the offshore wind power generator, and a method for installing the offshore wind power generator using the lifting jig. The offshore wind power generator according to an embodiment of the present invention includes a blade, a nacelle including a power generator for generating power by the rotation of the blade, and a tower supporting the nacelle and installed on a support structure installed offshore. Also, the offshore wind power generator includes a tower support structure installed on the tower so that the tower is lifted using a predetermined transfer unit in a state where the blade, the nacelle, and the tower are integrally assembled. The tower support structure is disposed above a center of gravity of the wind power generator at which the blade, nacelle, and the tower are integrally assembled.

Abstract: Disclosed is a pipe-shape structure coating device. A pipe-shape structure coating device according to one embodiment of the present invention includes: a rack unit on which a pipe-shape structure is placed, and a work vehicle which carries out a coating process on an inner surface of the pipe-shape structure by driving inside the pipe-shape structure placed on the rack unit along a longitudinal direction of the pipe-shape structure.

Abstract: Disclosed is an excitation force reducing type ship. An excitation force reducing type ship according to one embodiment of the present invention comprises: a hull having a rear end with a propeller; and an excitation force reducing module which forms an air layer for generating reflected waves on a surface of the hull neighboring the propeller during an operation of the propeller so as to reduce the excitation force in the direction of the hull, wherein the excitation force reducing module can be arranged eccentrically with respect to a center line penetrating through the center of the axis of rotation of the propeller in a vertical direction of the hull.