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WPAN Platform과 레고 마인드스톰 NXT를 이용한 원격제어 로봇 개발에 대한 연구
이민철 ( Min-cheol Lee ),송영호 ( Young-ho Song ),이영철 ( Young-chul Lee ),김인환 ( In-hwan Kim ),정구민 ( Gu-min Jeong ) 한국정보처리학회 2009 한국정보처리학회 학술대회논문집 Vol.16 No.1
본 논문에서는 휴대폰과 LEGO Mindstorms NXT를 이용한 원격제어로봇 개발 모델을 제안하고 이를 기반으로 원격제어 로봇을 설계하였다. 제안하는 원격제어로봇 개발 방법은 LEGO Mindstorms NXT를 이용한 하드웨어 설계, 다양한 Tool을 이용한 소프트웨어 설계, Host System의 응용프로그램 개발로 구성되며, Host System으로는 WPAN Platform을 탑재한 휴대폰을, 통신 방식으로는 블루투스를 적용한다.
초등학교 남학생의 줄넘기운동이 신체구성성분 및 AHP에 미치는 영향
이민철(Min Cheol Lee) 한국발육발달학회 2007 한국발육발달학회지 Vol.15 No.1
This study was to find out that regular and long-term rope-skipping had influence on AHP and the physical variety of senior elementary schoolboys and was to analyse the effect. Furthermore, this experiment was intended to have a positive effect on the growth of elementary schoolboys. The objects were the 5th and 6th grade male students in the elementary school. The numbers of experimental group were 14, the numbers of control group were 16. Most students had no experience in any exercise, and so let them jump rope in school easily. They jumped rope over 40 minutes, five-times a week. The rope-skipping is the exercise that cause MES(minium effective strain) for bones. The contents for measurement were weight, height, body-fat and AHP. They were measured before the exercise and 12 weeks later. The results of study were as follows; 1. In the height of the experimental group, after 12 weeks there was a little increase-+1.57cm(P<.001)-, and also in the control group, there was a little increase-+1.23cm(P<.001). 2. In the weight of the experimental group, after 12 weeks there was a little increase-+0.69kg(P<.001), and also in the control group there was a little increase-+0.59kg(P<.01). 3. In the body fat, both the experimental group and the control group had no much difference before and after exercise. 4. In AHP of the experimental group, after 12 weeks there was a little increase-+1.00cm(P<.01). On the other hand, in AHP of the control group, there was a little decrease -2.76cm(P<.001). In the result, the rope-skipping had a positive effect on AHP and the physical variety of senior elementary schoolboys. In the experimental group, AHP was increased, but in the control group, it was decreased. Therefore, this study could suggest that in the 5th grade and 6th grade male students of the elementary school-that is a maximum growth period-, regular and long-term rope-skipping had influence on the growth of them.
이민철(Min Cheol Lee),박일광(IL Kwang Park) 대한산업공학회 2017 대한산업공학회 춘계학술대회논문집 Vol.2017 No.4
As part of the defense innovation policy, the policy to expand commercialization of military products is a procurement innovation policy designed to reduce defense budget and improve military convenience by replacing existing defense standard products with equivalent or superior products. This paper examines the procurement performance of commutated munitions from 2012 to 2016, and analyzes the procurement performance of the munitions commercialization innovation policy.
구매요구서 표준화 교육이 군수품 상용화 조달 정책에 미치는 영향
이민철(Min Cheol Lee),박일광(IL Kwang Park) 대한산업공학회 2016 대한산업공학회 추계학술대회논문집 Vol.2016 No.11
최근 국방부는 조달혁신정책으로 예산절감 효과가 크면서 고품질의 상용품이 조달 될 수 있도록 상용품 조달 확대 정책을 추진하고 있다. 하지만, 조달 요구사항이 모호하여 상용화 정책에 한계점들이 드러나고 있다. 이는 요구자의 시장조사와 관련 규격에 대한 이해의 역량이 부족하기 때문이다. 이를 보완하기 위해서는 사용자 역량을 강화할 수 있도록 구매요구서 표준화 교육이 필요하다. 조직이 경쟁우위를 가지고 생존 및 발전하기 위해서는 표준화 교육을 통해 성과창출 능력을 갖춘 인적자원개발(human resource development: HRD)이 필수적이다. 또한, 급증하는 직원들의 학습 또는 자기계발 욕구를 충족시키기 위해서도 인적자원개발 활동은 더 이상 선택이 아닌 필수가 되었다(Hughey & Mussnug, 1997). 본 연구에는 구매요구서 표준화 교육의 현황을 분석하고, 선행요인과 표준화 성과에 미치는 영향을 분석함으로써 향후 군수품 상용화 조달 정책 활용에 기여하고자 한다. Ministry of National Defense be promoting innovation of procurement policy that able to reduce budget to high-quality products recently. However, The ambiguous information in the procurement requirement specifications has revealed limitations in the policy. Because this is a lack of understanding of request users that market research and relevant standards. In this study we suggests that CID(commercial Item Description) standardization training for enhancement of capabilities. Standardized training in Human Resource Development is essential in order to survival in competition environment and staff learning or self-enlightenment needs be no longer option that soaring human resource development activities (Hughey & Mussnug, 1997). In this study we analyzed the current situation of CID education and suggest for the future procurement innovation policy.
이민철(Min-cheol Lee),정석환(Suk-hwan Chung),권영삼(Young-sam Kwon),조주현(Ju-hyun Cho),전만수(Man-soo Joun) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.11
We developed a three-dimensional power metallurgy process simulator for die compaction and sintering analyses, called PMsolver3D. The simulator is based on the continuum models for die compaction and sintering process. The theories were given in detail with emphasis on the constitutive models. We adopted the tetrahedral mesh system to increase the applicability and automate the simulation including remeshing. Of course, we have the optional capability of hexahedral elements. Typical simulation examples of only die compaction analysis, only sintering analysis and the coupled analysis of die compaction and sintering were given, which shows the applicability and versatility of the developed program PMsolver3D.
형상정보가 없는 공종의 속성정보모델링 기법 개발에 관한 연구
이민철(Lee, Min-Cheol),이상진(Lee, Sang-Jin),옥종호(Ock, Jong-Ho) (사)한국CDE학회 2011 한국CDE학회 논문집 Vol.16 No.2
Construction industries worldwide have moved to Building Information Modeling environment in conjunction with IT technology progress. Korean domestic construction market is in the midst of enthusiastically adopting BIM technique and the public sectors try to apply the method to their projects. Difficulties have been introduced, however, in doing so mainly due to the complexity in reflecting the distinctions of the public cost estimate requirements to BIM modeling. The main objective of this study is to propose four kinds of BIM property information modeling methodologies which would be used in the quantity surveys of the public construction projects. To evaluate the applicability of the suggested modeling methods, the research performed a case study.