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      • KCI등재

        글로벌 해운물류에 적합한 실시간 화물위치 추적시스템

        박병권,최형림,김재중,이재기,김채수,이강배,박영재,박민선,Park, Byung-Kwon,Choi, Hyung-Rim,Kim, Jae-Joong,Lee, Jae-Kee,Kim, Chae-Soo,Lee, Kang-Bae,Park, Young-Jae,Park, Min-Seon 한국정보통신학회 2014 한국정보통신학회논문지 Vol.18 No.5

        Recently it has become easier to figure out cargo positional information by using GPS(Global Positioning System) and wireless communication technology. The acceleration of globalization in the shipping logistics is ever more increasing the need to provide visibility, traceability and real time informations of entry, departure of vessel including cargo and status of logistic vehicle entry into each logistic base. Providing such positional information to logistics party by using wireless communication technology can bring effective operation of supply chain and reduction in logistics costs. In the previous paper, I suggested a global location tracking system based on GPS data in global shipping logistics by means of software using GPS data. However, the previous system had a problem of being inadequate to figure out a real time location movement information and was unsatisfactory on quickly searching and checking the location of global logistics hubs according to the longitude and latitude coordinates. Hence, in this paper, I suggest a real-time location tracking system that provided real-time location of the container cargos and logistics hubs can be searched quickly according to the GPS coordinates in global shipping logistics. 최근 GPS(Global Positioning System)와 무선통신 기술을 이용하여 화물의 위치정보를 파악하는 것이 용이해지고 있다. 해운물류산업에서는 글로벌화가 가속화됨에 따라 화물을 실은 선박의 입출항 확인, 물류차량의 물류거점별 진입여부 등 화물의 가시성, 추적성, 실시간 정보제공의 필요성이 더욱 커지고 있다. 이러한 위치정보를 무선통신기술을 이용하여 물류주체에게 제공함으로써 공급사슬을 효율적으로 운영하고, 물류비용을 줄일 수 있다. 이전의 논문에서 GPS 데이터를 이용한 소프트웨어적인 방법으로 GPS 기반의 글로벌 위치추적 시스템을 제안한 바 있다. 그러나 이전 시스템에서는 실시간 위치이동 정보를 파악하기에 미흡한 문제점이 있었으며, 경도, 위도 좌표에 따른 글로벌 물류거점 위치를 신속하게 검색 및 조회하는 연구가 미비했었다. 따라서, 이 논문에서는 실시간으로 해운물류 과정의 화물 위치를 파악하고 GPS 좌표에 따른 물류거점을 신속하게 검색할 수 있는 보완된 위치추적 시스템을 제안한다.

      • KCI등재

        Recombinant Bovine Somatotropin의 피하주사 후 Male과 Female Rat에서 약물동태 및 조직분포

        박병권,박승춘,윤효인,Park, Byung-kwon,Park, Seung-chun,Yun, Hyo-in 대한수의학회 2003 大韓獸醫學會誌 Vol.43 No.2

        The purpose of this study is to investigate the pharmacokinetics and tissue distribution of recombinant bovine somatotropin (rBST) after subcutaneous adminstration of $^{125}I-rBST$ in male and female rats. A solid state conjugation (Iodo-bead$^{(R)}$) method was confirmed useful for producing $^{125}I-rBST$ because the administration of the conjugated form enabled enough to determine time- concentration relationships of rBST in rats. Subcuatenous administrations showed sex differences that female ($t_{1/2,kc}$, 2.87 h) revealed rapid elimination as compared to male ($t_{1/2,ke}$, 4.81 h), with the absorption ($t_{1/2,ka}$ in male being 0.3 h and that in female 0.75 h) in the reverse order. For subcutaneous administration of rBST in male rats, the liver was the highest in amount, followed by kidney, testes, muscle, and stomach, at the slaughtering tame of 1, 6, 12 and 24 h. But the testes was the highest at the 48 h slaughtered animals, followed by liver, kidney, stomach, and muscle. In slaughtered females at 1, 6, and 12 h after the administration of rBST, the liver was the highest, followed by ovary, kidney, small intestine, and stomach. At 24 and 48 h slaughtered female rats, the ovary was the highest, the liver the second, and the kidney the third.

      • KCI등재

        조선루층군(朝鮮累層群) 상부 캠브리아계(系) 화절층(花折層)에 협재(挾在)된 Carbonate Flat Pebble Conglomerate의 성인(成因)

        박병권,한상준,Park, Byong-Kwon,Han, Sang-Joon 대한자원환경지질학회 1985 자원환경지질 Vol.18 No.2

        The carbonate flat pebble conglomerates (CFPC) are interbedded as lenticular bed in the greenish rhythmite of the upper part of $Hwaj{\check{o}}l$ Formation, $Jos{\check{o}}n$ Supergroup. Pebbles are composed mainly of lime-mudstone with small amounts of bioclasts and silt-sized subangular quartz grains. The matrix among pebbles is composed mainly of sparry calcite with relatively much amounts of bioclasts, silt-sized subangular quartz grains and authigenic pyrite crystals or grains. The sparry calcite of the matrix seems to be the results of neomorphism of skeletal sands and bioclasts. The pebbles are well rounded and no plastic deformations are found. Some pebbles show the outer rim of glauconite. CFPC are not associated with any other intertidal features such as stromatolites, flaser bedding and channel structures. Also any features indicative of subaerial exposure such as dessication cracks, fenestrae and so on are not found in the bed. The sedimentological features of CFPC suggest that the following conditions appear to have been necessary for the formation of CFPC : 1) episodic deposition of thin, permeable calcareous beds separated argillaceous beds; 2) preservation of these beds near the sediment-water interface where they could become rapidly cemented; 3) erosion and redeposition of the partially lithified beds by storms or other exceptional erosional events. Eventually storm erosion and redeposition together represent only one of several critical conditions in the genesis of CFPC. The CFPC are very common in Cambrian and lower Ordovician formations, and become very rare in the younger carbonate formations. The expansion of infauna after Ordovician Period eliminated the widespread potential for rapid submarine cementation which is one of the critical factors to form CFPC.

      • KCI등재

        글로벌 해운물류 실시간 위치 추적 시뮬레이션 시스템 개발

        박병권,최형림,김채수,이강배,박민선,Park, Byung-Kwon,Choi, Hyung-Rim,Kim, Chae-Soo,Lee, Kang-bae,Park, Min-Seon 한국정보통신학회 2015 한국정보통신학회논문지 Vol.19 No.5

        글로벌 해운물류에서 계속적으로 이동하는 화물의 위치 정보를 추적하고 관리하는 것은 물류주체에게 중요한 일이다. 화물에 부착된 태그의 GPS 좌표 흐름을 분석하면 물류거점을 기반으로 한 화물의 위치정보를 쉽게 추적할 수 있다. 즉, 태그와 물류거점간의 동적인 위치변화를 이용하여 거점 단위의 위치 이동을 추적할 수 있다. 본 논문에서는 전세계 물류거점을 대상으로 이러한 거점 단위 위치추적 알고리즘의 정확성과 오동작을 측정하기 위해 시뮬레이션 시스템을 개발하였다. 실제 태그를 제작하여 실험하기에는 많은 제약이 따르기 때문에 실제 태그와 유사하게 동작하는 태그 에뮬레이터를 개발하여 가상 태그를 생성한다. 실제 태그와 같은 통신 프로토콜을 이용하여 위치추적 시스템에 데이터를 전송함으로써 위치추적 시스템이 잘 동작함을 보인다. In global shipping logistics, it is important for users to keep track of the location of their continuously moving cargos. Analyzing the GPS data stream coming from the tag which is attached to the cargo, we are able to keep track of the cargo location in terms of going into or out of a certain logistics area using the information of the spatial relationship change between the tag and the logistics area. In this paper, we propose a simulation system for measuring the precision and false alarm rate of the cargo location tracking algorithm which generates spatial events over the global logistics areas. Due to the difficulty of experiment with a real tag, we developed a tag emulator to create a virtual tag which operates exactly like a real tag. We show the cargo location tracking system works correctly with the tag emulator which communicates with it using the same protocol as the real tag.

      • 한국 영일만 해저퇴적물의 입도분포

        박병권,송무영,Park, Byong-Kwon,Song Moo-Young 한국해양학회 1972 韓國海洋學會誌 Vol.7 No.2

        This paper studied the grain size distribution of bottom sediments of Yeongil Bay which is located at the southeastern part of the Korean Peninsula. Sixty four samples collected with snapper and dredger are analyzed by roe Tap Sieve Shaker and Pipette Method. The moment parameters are calculated with the method of Friedman(1961). Most samples are composed of sand size sediments and a few samples are composed of silt and clay. The Yeongil Bay can be divided into gravel-granule zone, sand zone, and silt-clay zone. The sediments near Yeonam- Dong and Hyongsan river are moderately sorted and others are very poorly sorted according to scheme of Friedman91962). In general, sorting values are ranged from 1.0 to 3.5. The samples near Janggigap and Masin-Dong show negative and others show positive skewness values. Skewness values are ranged from -1 to 2. All samples show the leptokurtic distribution except for the samples near Masin- dong and at the deepest place near Janggigap. Kurtosis values are ranged from -1.5 to 21.9. The samples of gravel-granule zone contain more than 50% and those of silt-clay zone contain less than 50% of CaCO$\_$3/. Four different colors, black, yellow, brown and gray, are shown in the sediments of Yeongil Bay.

      • KCI등재

        Recent Tectonism in the Korean Peninsula and Sea Floor Spreading

        박병권,김서운,Park, Byong Kwon,Kim, Suh Woon The Korean Society of Economic and Environmental G 1971 자원환경지질 Vol.4 No.1

        한반도(韓半島)는 지형운동(地穀運動)이 없이 안정(安定)한 상태(狀態)에 있는 아시아대륙(大陸)과, 지형운동(地鼓運勤)이 활발(活廢)한 일본열도(日本列鳥)의 사이에 위치(位置)하고 있다. 한반도(韓半島)는 비재적(比載的) 좁은 동서폭(東西幅)을 가지고 있는데도 불구(不拘)하고, 동해안(東海岸)은 융기(隆起), 서해안(西海岸)은 침강현상(沈降現象)을 보여 주고 있다. 그러나 서해안(西海岸)의 침강율(沈降率)을, 지형운동(地鼓運勤)이 거의 없이 안정(安定)한 상태(狀態)의 북미(北美) 동해안(東海岸)의 침강율(沈降率)과 비교(比較)해 보면 한반도(韓半島)의 서해안(西海岸)은 동해안(東海岸)과 함께 서서(徐徐)히, 융기(隆起) 하되, 다만 시차적(示差的) 융기현상(陸起現象)을 보이는 듯 하다. 이러한 융기현상(陸起現象)은 동해안(東海岸)(일본해(日本海))을 따라 전개(展開)하는 현상(現象)이다. 태평양(太平洋) mantle convection이 일본해구(日本海溝)를 따라 아세아대륙(大陸)으로 plunge 하는 데서 발생(發生)하는 압축응력(壓縮應力)에 기인(基因)하고 있을 것 같다. 또한 이러한 strain은 동해(東海) 일대(一帶)의 높은 heat flow에 의(依)해서 가속(加速)될 것 같다. 이와 같이 근세(近世) 한반도(韓半島)의 지형운동(地穀運動)을 해저확장설(海底擴張說) (Sea Floor Spreading Theory)로서 설명(說明)할 수가 있으며, 휴화산(休火山)인 백두산(白頭山)과 한라산(漢筆山)을 한반도(韓半島)가 서진(西進)한 증거(證據)로 간주(看做)할 수도 있다. The Korean Peninsula is located between the tectonically stable Asian Continent and the tectonically active Japanese islands. The east coast of Korea shows evidence of uplift whereas the west coast shows evidence of submergence. However, radiocarbon dates indicate that the rate of submergence of the west coast of Korea is slower than the tectonically stable east coast of North America. Therefore, both east and west coasts of Korea might have been uplifted during the last post-glacial period. This uplift may result the spreading line of the from compressional strain produced along East Sea of Korea (Japan Sea) and/or the conversion hinge line of the Pacific mantle convection current plunging beneath the Asian continent. This downturn is supposed to be located in the Japan Trench. High heat flow near the east coast of Korea produces the differential strain. This strain accelerates the compressional strain of the peninsula. The Sea Floor Spreading Theory can explain the tectonism of the Korean Peninsula in Recent time. Baek-Doo Mt. and Han-Ra Mt., dormant volcanoes, may be an evidence of westward movement of the Korean Peninsula.

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