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로보트 매니퓰레이터의 신경 회로망을 이용한 Reslved motion 제어기의 설계
전홍태,조현찬,송문철 중앙대학교 기술과학연구소 1989 기술과학연구소 논문집 Vol.19 No.-
In this paper we proposed the resolved motion controller for a robot manipulator using a neural network. Neural identifier can be designed by using a neural network and it is trained by using a feedback motor torque as an error signal. Neural identifier approximates the output z(t) of a unknown nonlinear system by monitoring both the input u(t) and the output z(t) of this system. If the neural network is sufficiently trained well, it does not require either strict modelling of the manipulator or precise parameter estimation. The effectiveness of the proposed controller is demonstrated by computer simulation for a two degree of freedom planar robot.
송문철 ( Mun-cheol Song ),김창완 ( Chang-wan Kim ),박기남 ( Kinam Park ) 한국정보처리학회 2013 한국정보처리학회 학술대회논문집 Vol.20 No.2
본 논문에서는 SNS기반의 능동적 디펜스 게임 개발을 제안한다. 제안하는 게임은 기존의 모든 사용자가 콘텐츠를 이용할 뿐 차별성 없는 수용적 시스템과 다르게 하우징 시스템을 도입하여 사용자가 직접 콘텐츠를 배치하고, 다른 사용자의 콘텐츠 공략이 가능한 능동적인 형태이다. 이를 통해 기존의 디펜스 게임이 주는 게임성을 유지한 채 보다 진화된 형태로서 사용자들에게 새로운 시스템을 보여주고 신선한 자극을 줄 것으로 기대한다.
간장 및 담도 : 내시경적 (內視鏡적) 역행성 담췌관 (膽膵管) 조영술 (造影術) 95예의 간기능검사에 (肝機能檢査) 대한 연구
송문철(Moon Chul Song),도사금(Sa Geum Doh),배성조(Sung Joe Bae),허경억(Kyung Uk Hur),성차경(Cah Kyung Sung),이대규(Dae Kyu Lee),이민구(Min Goo Kang) 대한소화기학회 1986 대한소화기학회지 Vol.18 No.1
N/A From January 1984 to April 1985, endoscopic retrograde cholangio-pancreatography with fiberduoednoscope(Olympus JF-B4), were performed at Daegu Fatima Hospital on 95 patients with hepatobiliary or pancreatico-duodenal diseases. Total patients were allocated to three groups based on the underlying disease with stone, cancer or various conditions. In addition, liver function tests were analyzed to have whether the presence of difference between control and disease groups. The results are as follows: 1) The ratio of males to females in the group of 95 case was 1.5: 1, and the average was 54. 2 years with a range from 18 to 82 years. 2) Successful rate for cannulation was 81. 9%, as a whole, and the rate for selective cannulation into bile duct or pancreatic duct was in 81.9% and in 81.8% respectively. 3) Among total 95 cases, 63 were the patients with biliary tract diseases, 11, hepatic parencnymal diseases, 4, periampullary cancer, 15, pancreatic diseases and 2, duodenal diverticulosis. Of the total patients, allocated to three groups, 43 cases were confirmed to have stone disease, 26, cancer and 26,various diseases. 4) About one-half of cases in the both stone or various disease groups, were found to have jaundice, while most of case in the cancer group were found to have jaundice. 5) Direct bilirubin/Total bilirubin ratio was 0.35+-0.09 in control group, 0.44+-0.10 in various group, aid 0.48+-0.09 in cancer group. And the ratio of DB/TB were elevated significantly in the disease groups than that in control group as well as in the cancer group than that in both stone or various disease groups(p<0.01, p<0.001) 6) Thc ratio of SGOT/SGPT were 1.11+-0.19 in the control group, l.2+-0.6 in stone group l.0+-0.6 in the various disease group, and l.6+-0.9 in the cancer group. The ratio of SGOT/SGPT was elevatedignificantly in the cancer group than that in the control group (p <0.05). 7) The levels of serum alkaline phosphatase was 8.46+-2.6 King-Armstrongs units in the control group, 11.37+-9.46 in the stone group, 9.99+-8.71 in the various disease group, and 23.02+-12. 71 in the cancer group. Then the levels of alkaline phosphatase were elevated significantly in the cancer group than that in the control group(p<0.001).
표지선 주기관 개방검사 면제에 대한 고찰 < 기관(ENG ) 개방검사 면제로 11억원을 벌다! >
김형준,송문철,노경식 한국항해항만학회 2018 한국항해항만학회 학술대회논문집 Vol.2018 No.추계
선박안전법에 따라 대다수의 관공선 주기관은 8년마다 정기 개방검사를 해야 한다. 주기관 특성상 개방검사는 많은 예산 소요 및엔진 효율성의 저하가 우려되어 이를 해결하고자 관련법에 따라 8년간 개방검사 면제 사전 준비로 예산을 절감하고 기