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Author

Lee Byung Kyu

Bio: Lee Byung Kyu is an academic researcher. The author has contributed to research in topics: Leading edge & Turbine. The author has an hindex of 4, co-authored 10 publications receiving 59 citations.

Papers
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Patent
23 Jan 2013
TL;DR: In this paper, a maintenance robot of a wind power generator is provided to be easily installed on the outer wall of a tower using a tongs-shaped clamping structure and to be stably moved along the outerwall of the tower even if obstacles exist.
Abstract: PURPOSE: A maintenance robot of a wind power generator is provided to be easily installed on the outer wall of a tower using a tongs-shaped clamping structure and to be stably moved along the outer wall of the tower even if obstacles exist. CONSTITUTION: A maintenance robot of a wind power generator comprises upper and lower robot bodies(30,40), first actuators(50,60), multiple second actuators(70), and a working unit. The upper and lower bodies are vertically separated from each other and surround the outer perimeters of a tower(11). The first actuators are installed in the upper and lower robot bodies and press the outer surface of the tower. The second actuators are connected to the upper and lower robot bodies and change the distance between the upper and lower robot bodies. The working unit is installed in the upper robot body or the lower robot body.

25 citations

Patent
12 Mar 2013
TL;DR: In this paper, a wind power generator with a deicing device and a control method thereof is provided to deice one or more blades by installing the deicing devices under a nacelle, where a spraying nozzle moves along the longitudinal direction of a fixed blade so that deicing solution can be sprayed to entire leading edge of the wing part of the blades.
Abstract: PURPOSE: A wind power generator with a deicing device and a control method thereof are provided to deice one or more blades with one deicing device by installing the deicing device under a nacelle. CONSTITUTION: A wind power generator comprises a motor(200), a brake(300), a deicing device(400), and a control part(500). The motor rotates blades(100b) and a wing part of the blades. The brake fixes a rotating shaft system of the blades. The deicing device is installed under a nacelle(3) and has a spraying nozzle(410) moving along the longitudinal direction of a fixed blade so that deicing solution can be sprayed to entire leading edge of the wing part of the blades. The control part controls the motor and the brake to fix one of the blades in parallel to a vertical direction of a tower. The control part controls the motor to face the leading edge of the fixed blade to the tower. The control part controls to spray the deicing solution to the leading edge of the fixed blade while the spraying nozzle moves along a longitudinal direction of the fixed blade. [Reference numerals] (AA) Vertical movement

9 citations

Patent
13 Mar 2013
TL;DR: In this article, a remote monitoring and controlling unit collects the work information of the wind power generators and transmits the same to a remote control center, where the control center analyzes the received work information, and establishes a work information database.
Abstract: PURPOSE: A wind power generating system and a control method thereof are provided to automatically transmit the work information to a remote control center and manage the transmitted work information, thereby remarkably reducing time and manpower required for managing the power generating system. CONSTITUTION: A wind power generating system comprises wind power generators(100a-100e), a remote monitoring-and-controlling unit(504), and a control center(502). The remote monitoring-and-controlling unit collects the work information of the wind power generators and transmits the same. The control center receives the work information through the remote monitoring-and-controlling unit from the wind power generators, analyzes the received work information, and establishes a work information database. [Reference numerals] (100a,100e) Wind power generator; (502) Control center; (602) Collecting working hour information; (604) Transmitting the working hour information; (606) Updating a working hour database; (608) Collecting working environment information; (610) Transmitting the working environment information; (612) Updating a working environment database; (614) Generating an alarm when detecting a working environment out of a normal range; (616) Collecting worker health information; (618) Transmitting the worker health information; (620) Updating a worker health database; (622) Generating an alarm when detecting abnormality in worker's health

5 citations

Patent
12 Mar 2013
TL;DR: In this paper, a maintenance robot consisting of a robot body, a driving unit, and a control unit is used to perform maintenance work on a connecting member connecting each tower segment and a joint unit supporting the maintenance unit.
Abstract: PURPOSE: A maintenance robot and an aerogenerator including the same are provided to perform a maintenance work on each connecting member by locating a robot body to a position in which the connecting member which is mutually connected to each tower segment is connected in a tower of the aerogenerator. CONSTITUTION: A maintenance robot comprises a robot body, a driving unit, and a control unit. The robot body comprises a maintenance unit for performing maintenance work on a connecting member connecting each tower segment and a joint unit supporting the maintenance unit. The driving unit locates the robot body to a position in which the connecting member is connected. The control unit controls the driving unit and the robot body based on information of working schedule in order to move the robot body to the position in which the connecting member is connected and performs the maintenance work on the connecting member.

5 citations

Patent
13 Mar 2013
TL;DR: In this paper, a device for a robot management and a wind power generator having the same equipment is provided to store a maintenance robot to a robot storing unit by transferring the maintenance robot which is mounted to the wind energy generator for storing in the robot storage unit or transferring the other robot that is stored in the storage unit for mounting to the generator.
Abstract: PURPOSE: A device for a robot management and a wind power generator having the same are provided to store a maintenance robot to a robot storing unit by transferring the maintenance robot which is mounted to the wind power generator for storing in the robot storing unit or transferring the maintenance robot which is stored in the robot storing unit for mounting to the wind power generator. CONSTITUTION: A device for a robot management and a wind power generator having the same comprise a robot storing unit(110) and a robot transferring unit(120). The robot storing unit stores a maintenance robot(30). The robot transferring unit transfers the maintenance robot which is mounted to the wind power generator for storing in the robot storing unit or transfers the maintenance robot which is stored in the robot storing unit for mounting to the wind power generator.

4 citations


Cited by
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Patent
25 Nov 2014
TL;DR: In this article, a modular inspection vehicle with at least first and second motion modules is presented, where the first motion module includes a first wheel mounted to the chassis, the second wheel being at an angle to the first wheel, and a communication module configured to transmit and receive data.
Abstract: A modular inspection vehicle having at least first and second motion modules is provided. The first and second motion modules are connected to a chassis. The first motion module includes a first wheel mounted to the chassis. The second motion module includes second wheel mounted to the chassis, the second wheel being at an angle to the first wheel. The vehicle further includes a navigation module configured to collect position data related to the position of the vehicle, an inspection module configured to collect inspection data related to the vehicle's environment, and a communication module configured to transmit and receive data. The vehicle can also include a control module configured to receive the inspection data and associate the inspection data with received position data that corresponds to the inspection data collect at a corresponding position for transmission via the communication module.

31 citations

Patent
30 Jul 2015
TL;DR: In this article, a fault occurrence prediction unit is configured to compare the collected first data with a predefined normal state model, to create a second data indicating a state of the wind power plant based on a result of the comparison, and to predict occurrence of a fault in the wind energy plant according to the second data.
Abstract: Provided is a wind power generation management apparatus including: a collection unit configured to collect first data generated in a wind power plant; a fault occurrence prediction unit configured to compare the collected first data with a predefined normal state model, to create a second data indicating a state of the wind power plant based on a result of the comparison, and to predict occurrence of a fault in the wind power plant according to the second data; and a maintenance plan establishment unit configured to estimate an operating time corresponding to a time from a start of the wind power plant until the fault occurs, and to generate a maintenance plan which can be performed for the fault during the estimated operating time.

18 citations

Patent
21 Apr 2014
TL;DR: In this article, an ascending unit for washing a blade of a wind generator of the present invention moves along the length direction of the blade of the wind generator so as to wash the surface of the blades.
Abstract: A device for washing a blade of a wind generator of the present invention moves along the length direction of the blade of the wind generator so as to wash the surface of the blade The device comprises: an ascending unit that includes an ascending plate having a through-hole formed at the center thereof so as to enable a blade to penetrate therethrough, a rope operating member provided so as to enable the ascending plate to ascend along the length direction of the blade, and a rope having one end connected with the ascending plate and the other end passing through a nacelle of the wind generator in order to be connected with the rope operating member; and a washing unit that is installed in order to be able to move right and left on a guide rail installed on the ascending plate to be adjacent to the through-hole and is operated to move towards another position in order to be able to contact the surface of the blade so as to wash the surface of the blade The washing unit comprises: a washing body installed in order to be able to move right and left along the guide rail; a driveshaft that has one end connected with the washing body in order to be able to move forwards and backwards and provides a rotating force to a rotating member installed in the other end; a first interval adjusting unit that is disposed horizontally with respect to the driveshaft to be separated at a particular interval from the driveshaft, is installed in order to be able to move forwards and backwards on the washing body, and is equipped with a first rubber roller that is formed at the longitudinal end thereof in order to come in contact with the surface of the blade; and a second interval adjusting unit that is disposed horizontally with respect to the driveshaft to be separated at a particular interval from the driveshaft, is installed in order to be able to move forwards and backwards on the washing body, and is equipped with a second rubber roller that is formed at the longitudinal end thereof in order to come in contact with the surface of the blade By means of the first rubber roller and second rubber roller, the rotating member is preferably provided in order not to directly contact the surface of the blade

7 citations

Patent
17 Feb 2016
TL;DR: In this paper, the authors present a system and a method for managing a wind power plant using work environment data, which have been measured in the wind power generating complex, and planning repair so that repair with respect to the malfunction can be conducted during living time until the occurrence of the malfunction.
Abstract: The present invention relates to a system and a method for managing a wind power plant Included is a wind power generation managing device for predicting the malfunction of a wind power generation complex by using work environment data, which have been measured in the wind power generating complex, and planning repair so that repair with respect to the malfunction can be conducted during living time until the occurrence of the malfunction The wind power generation managing device comprises: a collection part for collecting the raw data of a work environment; a malfunction predicting part for predicting the malfunction of a wind power generation complex based on the state data of the wind power generation complex; and a repair planning part for estimating living time until the occurrence of the malfunction and planning repair that can be conducted during the estimated living time

6 citations

Patent
01 Jun 2016
TL;DR: In this paper, the authors present a robot for performing assembly and maintenance operations in a sectioned tower of a type where the tower sections are connected by a bolted flange joint comprising a circular internal flange and a plurality of bolts.
Abstract: Robot (1), for performing assembly and maintenance operations in a sectioned tower of a type where the tower sections are connected by a bolted flange joint comprising a circular internal flange (3) and a plurality of bolts (5), the robot (1) comprising; a. at least two trolleys (7), b. a connecting arrangement (9), and c. a controller (11), wherein said at least two trolleys (7) each comprises a conveying means, wherein each conveying means comprises a support configured for supporting the robot on said circular internal flange (3), wherein each support comprises at least one support point and wherein the supports in combination comprise at least three support points, wherein each trolley (7) is connected to the connecting arrangement (9), wherein the length of the connecting arrangement (9) is configured for positioning each support point at a distance from the centre of the flange (3) that exceed the internal radius of the flange (3), wherein the lay-out of the three support points that are farthest apart forms a triangle, wherein at least one trolley (7) is a driven trolley, wherein the conveying means of said driven trolley (7) comprises a drive configured for moving the trolleys tangentially along said internal flange, wherein said drive is operably connected to the controller (11), and wherein at least one trolley (7) comprises attachment means configured for attachment of a working tool (21) for performing the assembly and maintenance operations, and a working tool (21).

5 citations