Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Byung-Hak Cho"'
Publikováno v:
International Journal of Precision Engineering and Manufacturing. 13:795-801
A PTO (power take-off) system for 50kW class rotating body type WEC (wave energy converter) has been designed, constructed and tested. The WEC has a semi-submerged, articulated structure composed of two cylindrical body sections linked together by a
Publikováno v:
IEEE Transactions on Power Delivery. 27:632-639
A new inspection robot system for live-line suspension insulator strings was developed to prevent an insulator failure in 345-kV power transmission lines. Compared with the existing inspection robots, this robot structure is very simple, small-sized,
Publikováno v:
Journal of Electrical Engineering and Technology. 7:23-33
The current paper deals with a new live-line insulator inspection tool system that will be used by the Korea Electric Power Corporation for its 154 kV power transmission lines in 2011. Unlike the existing contact type tools, the developed inspection
Publikováno v:
IEEE Transactions on Power Delivery. 27:3-12
This paper presents a new insulator diagnosis algorithm that is applied to the measured voltage and resistance values of an insulator string to detect faulty insulators. Under normal conditions of low pollution and low humidity, the distribution volt
Publikováno v:
NDT & E International. 43:70-77
An active vibrometer used for the non-destructive test of electric power transmission line insulators has been developed. With a permanent magnet and a couple of coils, the vibrometer exerts impact force to a test object and in turn picks up the vibr
Publikováno v:
Nuclear Engineering and Design. 239:2543-2550
This paper addresses the trajectory control problem of an underwater inspection robot for nuclear reactor internals. From the viewpoint of control engineering, the trajectory control of the underwater robot is a difficult task due to its nonlinear dy
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers A. 33:849-857
To guarantee the safety and reliability of obsolete thermal power plants, on site routine patrol in their facilities has been done by human workers. Due to their poor working environments, however, a patrol robot system has been gradually required in
Publikováno v:
International Journal of Control, Automation and Systems. 7:211-220
A new cleaning robot system for suspension insulator strings was developed to prevent a power failure, which can have severe effects on the national industry and economy. Compared with existing cleaning robots using jets of water or water/air, this r
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers A. 32:685-692
Publikováno v:
Nuclear Engineering and Design. 238:1779-1787
During the refueling outage period of PWR nuclear power plants, the in-core movable detector thimbles located inside fuel assemblies are withdrawn from the seal table, and inserted again as the refueling is finished. The thimble handling process has