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고석조,최문호,김대경,김창동,장용석 제어로봇시스템학회 2009 제어로봇시스템학회 국내학술대회 논문집 Vol.2009 No.9
Cargo tank ullage pressure monitoring system is designed in compliance with IMO(International Maritime Organization) SOLAS 74, Chap, II-2 Req.59. IMO is providing the establishment of pressure measuring equipment for secure a stability from vacuum or the overpressure that caused by in breakdown of the P/V valve. Cargo tank ullage pressure monitoring system operates the early warning of the visible and audibility in dangerous situation of Tanker Ships. This study designs and ullage space pressure measuring system of a cargo tank.
고석조,이민철,홍창우 한국공작기계학회 2002 한국공작기계학회 춘계학술대회논문집 Vol.2002 No.-
In the previous study, a polishing robot system was developed to automate the polishing process and to cope with the shortage of skilled workers. This polishing robot system has several advantages: reduced time for setting polishing work, decreased labor costs, effective operation, continuous polishing work without an operator, improved machine accuracy, and the ability to polish a free curved surface die. However, still the problem remains that a worker must stay to monitor the polishing process in the poor working conditions for a long time. Nowadays some advanced manufacturing companies need to find a way to check the performance of their production equipments and plants from remote sites. Thus, this study constructed the communication network and developed the monitoring programs (a servo program and a client program) to operate the polishing robot from remote sites. Using these programs, workers are able to monitor and control the polishing robot on the web page, in any place where internet service is possible. To guarantee a stable operation in spite of a variable computer operating environment, the monitoring system is implemented in Java. The experimental results showed that the developed monitoring programs provided a stable communication.
선박의 해치 및 화물 형상 스캔을 위한 3D 레이저 스캐닝 시스템 개발
고석조,김태훈,차병수,박민규,유기호,문영근 한국기계기술학회 2016 한국기계기술학회지 Vol.18 No.2
Unloading operation by the unloader is dependent on the experience of the operator in the cabin. If the operator receives information about the unloading situation in the process of lifting the bucket, it is possible to prevent the collision of the bucket with the ship structure. In recent years, numerous measurement systems have become available on the market for three-dimensional surveying of objects, but they are very expensive. This study presents a high quality, low cost 3D laser scanning system designed for object recognition. The developed 3D laser scanning system is built on the base of a 2D laser sensor by the extension with a servo motor and a rotation module. In order to evaluate performance of the developed 3D laser scanning system, the developed system was applied to scan a shape of hatch and cargo holder on a cargo ship. Experimental results showed that to obtain a 3D scanning data for the area around the hatch and cargo holder.
중공축 서보 조립체를 이용한 Dual Arm Robot 설계
고석조,한현규,고희영,이영철,정철곤,신윤정,이영진 제어로봇시스템학회 2009 제어로봇시스템학회 국내학술대회 논문집 Vol.2009 No.9
Studies on dual arm robots have been continually carried out in robotics areas to provide robots in dangerous environments, similar to those which human beings would be normally in, without a special change to the working environment. In previous study, the dual arm robot has been designed. The robot, however, has some defects in its heavy weight and big shape. In order to reduce weight of a dual arm robot, AUTOMAN has been designed using a hallow shaft servo assembly.
Dual Arm Robot을 위한 중공축 서보 조립체 개발 및 성능 평가
고석조,한현규,고희영,이영철,정철곤,신윤정,이영진 제어로봇시스템학회 2009 제어로봇시스템학회 국내학술대회 논문집 Vol.2009 No.9
Studies on dual arm robots have been continually carried out in robotics areas to provide robots in dangerous environments, similar to those which human beings would be normally in, without a special change to the working environment. In the previous study, the hallow shaft servo assembly for light weight of the robot arm had been developed. The hallow shaft servo assembly is composed of a hallow shaft servo motor, a hallow shaft harmonic drive, a hollow shaft brake, a hallow shaft encoder, and a servo drive. This study developed the hallow shaft servo assembly for dual arm robot. In order to evaluate a performance of the hallow shaft servo assembly, experiments were performed.
고석조,이병우,김창동,장용석 한국기계기술학회 2008 한국기계기술학회지 Vol.10 No.1
A Fresh water generator is designed to produce fresh water from sea water. This generator produces fresh water by evaporating and condensing sea water, and it uses the engine jacket water as the heat source. While a vessel is sailing, it uses main engine to produce fresh water and also, while a vessel is in port, it uses auxiliary engine. After all, sea water is evaporated the heat which the coolant contains, so it can produce fresh water economically, because it dose not need additional heat source. A salinity meter is a densitometer measuring the concentration of salt in sea water. This study designed the multi-function salinity meter(SAL-2000). SAL-2000 has many functions such as conductivity, salinity, flow rate, and so on. In order to evaluate the measuring performance, the experiments using SAL-2000 have been conducted.