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정지형 수중표적에 대한 수중무인체계의 효율적인 탐색 방법론에 관한 연구
허정행,문정인,최봉완,오현승,임동순,Hur, Junghaeng,Moon, Jungin,Choi, Bongwan,Oh, Hyunseung,Yim, Dongsoon 한국군사과학기술학회 2014 한국군사과학기술학회지 Vol.17 No.6
The paper is written to determine the optimal search pattern through search effects assessment on underwater targets. 5 types of search patterns are introduced such as, M-type pattern, W-type pattern, rectangular pattern, 4-type pattern and square pattern, In addition, Operational effectiveness analysis model is developed to obtain the optimum search pattern. The algorithms and mathematical models are also suggested to analyze the required search times, AUV's movement patterns, moving distances, overlapping areas and so on.
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모의실험 기반의 해양무기체계 전투실험 프로세스 표준화 방안연구
백상훈,허정행,이동훈,최봉완,Baek, Sang-Hoon,Hur, Jung-Haeng,Lee, Dong-Hoon,Choi, Bong-Wan 한국군사과학기술학회 2012 한국군사과학기술학회지 Vol.15 No.5
Modeling & simulation-based battle experiments(BEx) is being used extensively as an efficient, scientific and rational verification methodology for maritime weapon system acquisition. However, research of definition and concept of BEx and standardized rules and process for the BEx are insufficient in recent military field of BEx. In this study, we discussed the definition and process of BEx based on the role of MND(including JCS), Navy and ADD and proposed the standardized process of BEx for maritime weapon system. Secondly suggested a evaluation methods of modeling and simulation-based BEx with MOP, MOF, MOE in linkage of engineering, engagement, mission and constructive model. Finally presented validate result that applied to the Torpedo using standardized process based on our proposed methodology.
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노인들의 댄스스포츠 참여시 발생하는 상해부위 및 원인 탐구
권순정(Kwon, Soon-jung),김재엽(Kim, Jae-yup),허정행(Hur, Jeong-haeng) 한국사회안전학회 2012 한국사회안전학회지 Vol.8 No.2
본 연구는 노인들이 댄스스포츠 활동에 참여하면서 발생하는 상해부위 및 원인을 탐구 하는데 목적이 있다. 본 연구는 연구 참여자 개개인의 상황이나 환경에 따라 심리적 요인이 다르므로 질적 연구방법을 사용하였으며, 자료 수집은 2012년 6월부터 2012년 9월까지 하였다. 참여자들은 댄스스포츠 전문가 1인과 대학에서 안전교육 및 응급처치를 담당하는 대학교수 2인의 도움을 얻어, 주2회 이상, 1회 50분, 기간은 1년 이상 댄스스포츠에 참여하고 있으며 참여 중 상해의 경험이 있는 자들로 선정하였고, 연령은 노인복지관이용이 가능한 65세 이상으로 하였다. 본 연구의 참여자들은 남자 4명 여자 5명으로 총 9명으로 구성되었다. 본 연구의 결과로 노인들의 댄스스포츠 참여시 발생하는 상해부위는 세부적으로 발등, 발뛰꿈치, 발톱의 부위를 말하고 있으며. 어깨와 손등, 얼굴과 허리도 상해 위험에 노출되어 있다고 말하고 있다. 또한 댄스스포츠 참여시 발생하는 상해원인으로는 활동하는 장소가 너무 비좁다고 말하고 있으며, 수준별 학습으로 초보자의 익숙하지 못한 스텝이 상해의 원인이라고 말하고 있으며, 여자들의 긴 손톱과 손가락의 장신구가 상해의 원인으로 작용하고 있다고 말하고 있다. 본 연구에서는 노인들을 대상으로 댄스스포츠 중 라틴댄스 참가자를 중심으로 연구가 이루어졌으나 종목과 대상의 다양한 측면에서의 연구가 이루어진다면 앞으로 발생할 수 있는 상해예방에 도움이 되리라 사료된다. The aim of this study is to inquire into the position of the injury occurring while participating in the elderly’s dance sports and its cause. This study used a qualitative research method as the research participants’ psychological factors are different according to individual circumstances or environment, and data collection was conducted from June, 2012 until September, 2012. The research participants, through the assistance from one expert in dance sports and two college professors in charge of safety education and first aid, selected those who were participating in dance sports for more than two times a week with 50 minutes in one dance training session for more than one year, and had experience in getting injuries in the middle of participating in it as the research subjects, and limited the subjects’ age to more than 65 available for the senior welfare center. The participants in this research consisted of a total of 9 persons including 4 males and 5 females. The results of this research found that the detailed positions of injuries occurring at a time of the elderly’s participating in dance sports were the top side of the foot, the heel, and toenails, and the shoulders, the back of one’s hand, face and waist were exposed to the danger of injuries as well. In addition, as the cause of injuries happening at a time of participating in dance sports, the research results indicated the much too compact space for dance sports, and beginners’ unskillful stepping posture through the level-based lesson; in addition, the research results found that women’s long fingernails and finger accessories were contributing to their injuries. This study did research on this topic with focus on the elderly participants in Latin dance, but it is thought that it would be helpful in preventing injuries that might happen if the research from diverse aspects of events and research subjects could be done.
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QFD를 활용한 AI 기반 해안감시시스템 개발모델에 대한 개념적 연구
권용수(Yong Soo Kwon),권준홍(Joon Hong Kwon),윤종준(Joung Jun Youn),정재욱(Jae Wook Jung),허정행(Jung Haeng Hur),김재준(Jae Wook Jung) 한국해군과학기술학회 2023 Journal of the KNST Vol.6 No.4
This paper describes an industrial company led conceptual study through a systems engineering approach. COIs were derived through the analysis of existing coastal surveillance system problems and the coastal infiltration cases, and the efficient system development model that can solve them using QFD tools was presented. It was derived critical functions required to perform the mission successfully by applying the QFD tool and identified applicable AI technology elements. It then proposed an AI-based coastal surveillance system that can efficiently detect and identify targets under the day and night and all weathers.
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