• Journal of the Korean Society of Marine Environment & Safety
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• v.23 no.1
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• pp.67-72
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• 2017

This study developed an electric power propulsion personal watercraft by combining a battery and an electric system from the domestic automobile industry with water motorcycle from marine leisure industry in a convergence of technology. It also developed a safety inspection plan and type approval standard for personal watercraft that use electric power propulsion. For the registration and production of the electric power PWC (Personal Watercraft), a safety inspection standard (draft) and type approval standard (draft) have been established. PWC that use this electric power propulsion certification standard have been divided into two categories according to the use of gasoline engines as related to the ship's electrical system. The contents of these safety inspections standards is divided into 7 categories, and their purpose is to confirm the facilities used for the safe operation of PWC. Type approval is divided into 7 categories and is intended to ensure the safe production of PWC. This is basic data can be used to establish criteria for safety inspection and type approval of electric power propulsion vessels and to guide the production of the environmentally friendly PWC in Korea.

• Journal of the Korea Institute of Military Science and Technology
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• v.24 no.4
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• pp.457-466
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• 2021

This paper describes the design of model-based fault diagnosis software to apply to the propulsion system in tracked amphibious assault vehicle which consists of an engine, a transmission, a cooling system, and two waterjets. This software includes specific functions to detect the failures regarding sensor malfunctions, mechanical malfunctions, control errors, and communication errors. This software generates the proper malfunction codes which are classified as the warning and caution. In order to validate the fault diagnosis software, the manual and automatic test are performed using the test program with 32 test cases. Test results show that the designed fault diagnosis software is reliable and effective for applying to the propulsion system.

• Digital Contents
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• no.12 s.115
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• pp.48-59
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• 2002

정보통신부가 주최하고 한국소프트웨어진흥원과 한국데이터베이스진흥센터가 공동으로 주관하는 디지털콘텐츠대상의 4/4분기 수상작에 대한 시상식이 지난달 11일 정보통신부 14층 회의실에서 열렸다. 수상작은 디지털영상 부문에 옥토그라프의 '로보솔져', 온라인게임 부문 조이온 '임진록 온라인 거상'과 이야기의 'I.M.온라인', 교육용 콘텐츠 부문에 에듀팜의 '오리수학농장', 무선콘텐츠 부문에 대헌정보의 'GOGO!!배틀체스' 5개 작품이 선정됐다. 수상기업에는 국내ㆍ외 전시회 참가비용이 지원되고 정통부가 추진하는 해외진출 지원사업 참여 때 우대된다. 또 수상작 가운데 우수작을 뽑아 연말에 열리는 디지털콘텐츠 전문 전시회인 '디지털 콘텐츠 페어' 행사 때 국무총리상 등을 수여한다.

• 물류대상수상사례집
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• s.11
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• pp.250-282
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• 2003

• Journal of the Korean Society of Propulsion Engineers
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• v.23 no.3
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• pp.112-118
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• 2019

The development of an underwater rocket propulsion system was described in this paper. Throttle able liquid propellant and hybrid rocket propulsion systems were selected for underwater propulsion. A subscale liquid rocket combustion chamber and it's portable stand were developed and their applicability was examined. 1.5-ton.f and 1.8-ton.f hybrid rockets were developed for underwater applications. The test results indicated that the 18-ton.f hybrid rocket fully complies to the performance and underwater cruise stability requirements; thus, its development was concluded to be successfully complete.

• 물류대상수상사례집
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• s.13
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• pp.39-71
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• 2005

• 물류대상수상사례집
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• s.13
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• pp.75-101
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• 2005

• 물류대상수상사례집
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• s.13
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• pp.105-150
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• 2005

• 물류대상수상사례집
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• s.13
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• pp.325-342
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• 2005

• 물류대상수상사례집
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• s.14
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• pp.19-43
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• 2006