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박종만(Jong Man Park) Korean Society for Precision Engineering 2018 한국정밀공학회지 Vol.35 No.2
This paper proposes a new improved methodology to assess reconfiguration manufacturing system (RMS) adaptability in small and medium manufacturing industries. The evaluation of scenarios and alternatives for a reconfigurable design in manufacturing systems requires efficient and convenient methodologies to confirm the comparative evaluation metrics of the assigned KPI. Customizable factors are extracted and mapped for the design structure matrix and the analytic hierarchy processes. Reconfiguration event information is visualized as bill of resource. Evaluation format of KPI choice is then suggested. The reconfiguration control manager is designed to extract and combine the objects and the resource library of the reconfigurable assembly module and line. This paper first proposes the improved evaluation modeling frame and format with the newly refined KPI for the assessment of reconfiguration adaptability. Second, it shows the applicable suitability through a partly designed domain at the real automotive components manufacturing and assembly factory. Finally, it discusses the issues related with the customization and case results by the suggested evaluation methods.
박종만(Jong-man Park),엄태원(Tai-won Ohm) 한국정보기술학회 2011 한국정보기술학회지 Vol.9 No.2
스마트폰 단일플랫폼을 통한 복합적 서비스와 효율적인 플랫폼 개발을 위해 이종 기기의 운 영체제와 플랫폼으로 동종 콘텐츠 및 서비스를 지원하거나, 동종 기기의 운영체제와 플랫폼으로 이종의 콘텐츠 및 서비스를 지원하는 개방형 크로스 플랫폼과 다중서비스가 가능한 통합플랫폼 기술의 진화가 요구되고 있다. 이에 본 논문에서는 스마트 폰 서비스플랫폼의 기술 및 특허, 시장동향을 파악하고 서비스 플랫폼산업의 활성화방안을 분석?도출하여 정부와 민간 생태계에서의 정책 및 전략수립을 지원하는데 중점을 둔다. The situation required that technological evolution should be on domain of open cross-platform and multi-processing hybrid-platform to be able to run heterogeneous multi-services in homogeneous single platform or homogeneous multi-service in heterogeneous multi-platform for efficient development of platform and multi-services in smart phone single platform. In this paper, we firstly focused to investigate and analyse the advanced technological tendency and patents, market in related with smart phone service platform, and secondly to draw the alternatives to activate associated industries, and lastly to suggest the practical assignments to support government policy and enterprise strategy for smart phone platform ecosystem.
만삭 임신부에서 Misoprostol(PGE1)과 Dinoprostone(PGE2) 질정이 자궁경부 숙화 및 분만유도에 미치는 영향
박태형 ( Tae Hyoung Park ),김경원 ( Kyoung Won Kim ),조재훈 ( Je Hun Jo ),박영복 ( Young Bok Park ),김승만 ( Seung Man Kim ),김도균 ( Do Gyun Kim ),김종호 ( Jong Ho Kim ),양회생 ( Hoe Saeng Yang ),심재철 ( Jae Chul Sim ),윤혜원 ( 대한주산의학회 2001 大韓周産醫學會雜誌 Vol.12 No.3
박상만 ( Sang Man Park ),신승민 ( Seung Min Shin ),서향은 ( Hyang Eun Seo ),김세환 ( Se Hwan Kim ),김현수 ( Hyun Soo Kim ),박종훈 ( Jong Hun Park ),김장호 ( Jang Ho Kim ),손경락 ( Kyung Rak Sohn ) 대한소화기학회 2009 대한소화기학회지 Vol.54 No.6
Hemangioma is one of the most frequently encountered benign hepatic neoplasm which can develop secondary degeneration. Sclerosed hemangioma is a rare disease histologically characterized by large amount of collagen and elastic fibril between sclerosed small vessels. Its differential diagnosis is very difficult. It should be included in the differential diagnosis of other hepatic lesions such as hepatocellular carcinoma, intrahepatic cholangiocarcinoma, and metastatic hepatic tumor. A 77-year old male was admitted with upper abdominal discomfort. Abdominal ultrasonography revealed GB stone, dilated common bile duct with bile duct stone, and a 4.6 cm sized hyperechoic mass at segment 5 and 6 of the liver. Abdominal dynamic computed tomography demonstrated dilated intrahepatic bile ducts and a 5×5 cm sized mass which showed minimally delayed enhancement. Abdominal magnetic resonance imaging revealed the mass with low signal intensity in T1 weighted image, high signal intensity and focal low signal in T2 weighted image which showed minimal enhancement. We removed common bile duct stone with endoscopic retrograde cholangiopancreatography then decided to undergo right lower segmentectomy of liver due to possibility of cholangiocarcinoma. Histopathological examination of hepatic mass showed large amount of fibrous tissue with occasional residual vascular channels. We describe one case of sclerosed hemangioma mimicking cholangiocarcinoma. (Korean J Gastroenterol 2009;54:399-403)
압전세라믹 벤더를 이용한 소형로봇용 구동원에 관한 연구
박종만(Jong-Man Park),송치훈(Chi-Hoon Song) 한국산학기술학회 2020 한국산학기술학회논문지 Vol.21 No.5
지난 수십 년간, 소형 로봇 가운데 동물과 곤충을 모방한 생체모방 로봇은 인간이 신체적으로 접근할 수 없는 영역에서 특별한 임무를 위해 개발되어 왔다. 최근 들어, 사람의 접근이 제한되는 공간(예 : 고농축 방사능 보관지역, 바이러스 지역, 대테러 위험지역 등)이 늘어나면서 로봇의 활용범위가 더욱 다양해지고 있으며, 과거에는 사람만 가능했던 많은 행위들이 소형 로봇으로의 대체가 시도 되고 있다. 그 중에서도 보행 로봇의 최적 움직임은 이동하는 표면의 특성(예: 거칠기, 곡률, 경사, 재료 등)에 의해 결정될 수 있다. 본 연구에서는 소형 보행 로봇에 적용하기 위한 구조가 간단하고 효율적으로 구동 가능한 압전세라믹 벤더 엑츄에이터를 제안하였다. 유한요소 해석법을 활용한 동적 모델링을 통해 구동원의 형상을 최적화하여 로봇의 이동 성능을 극대화 하였고, 제작과 실험을 통하여 그 결과를 검증하였다. 제작된 엑츄에이터는 무부하 조건에서 최대속도 236mm/s로 이동 하였고, 5g의 부하를 적재하고 156mm/s의 속도로 이동가능함을 확인 하였다. 제안된 다족형 액추에이터는 수행해야 할 임무와 요구 성능에 따라 모듈식으로 추가가 가능한 장점이 있다. This study proposed piezoelectric ceramic bender actuators for application to small walking robots. As the space where human access has recently become increasingly restricted (e.g., highly concentrated radioactive storage areas, viral contaminated areas, terrorist zones, etc.), the scope of using robots is becoming more diverse, and many actions that were possible only in the past have been attempted to be replaced by small robots. This robotic concept has the advantage of being simple in structure, making it compact and producing a large size work force. The dynamic modeling, using finite element analysis, maximized the robot"s mobility performance by optimizing the shape of the actuator, and the results were verified through fabrication and experimentation. The actuator moved at a maximum speed of 236 mm/s under no load conditions, and it could move at a speed of 156 mm/s under load conditions of 5g. The proposed actuator has the advantage of modular additions depending on the mission and required performance, which ensured that they are competitive against similar drive sources previously created.
성장생물학 : 비육돈에서 사료의 에너지 수준과 도살체중이 성장성적과 도체의 등급 및 육질특성에 미치는 영향
박만종 ( Man Jong Park ),정진연 ( Jin Yeun Jeong ),하덕민 ( Duck Min Ha ),한정철 ( Jeong Cheol Han ),심태건 ( Tae Geon Sim ),박병철 ( Byung Chul Park ),박구부 ( Gu Boo Park ),주선태 ( Seon Tea Joo ),이철영 ( Chul Young Lee ) 한국동물자원과학회 ( 구 한국축산학회 ) 2009 한국축산학회지 Vol.51 No.2