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산업용 6관절 로봇의 원격제어를 위한 실시간 병렬데이터통신 인터페이스
최명환,이우원 江原大學校 産業技術硏究所 2001 産業技術硏究 Vol.21 No.A
This paper presents the development of the I/O Interface for the real time parallel data communication between controller of a six-axis industrial robot(CRS -A460) and an external computer. The proposed I/O Interface consists of the hardware I/O interface and the software that is downloaded to the robot controller and executed by the controller operating system. The constitution of the digital I/O Port for CRS-A460 robot controller and the digital I/O board for IBM-PC are presented as well as the Process Control Program of the robot controller. The developed protocol for the parallel data communication is described. The data communication is tested, and the performance is analysed. In particular, it is shown that the real-time constraint of the robot controller process is satisfied.
림프질 전이가 있는 하인두암과 하부식도암의 진단에 활용된 내시경초음파 유도하 Trucut 생검 1예
광명옥,이정환,문정섭,김유선,류수형,총배천,김형훈,김현태 仁濟大學校 白病院 2010 仁濟醫學 Vol.31 No.-
The incidence of double primary cancer is about 10% in all kinds of cancers. Double primary cancer is usually accompanied by gastrointestinal cancer. Esophageal cancer is supposed to be frequently accompanied by squamous cell carcinoma of the head and neck or the upper respiratory tract, because of such common carcinogens as smoking and alcohol ingestion. Esophageal cancer and hypopharyngeal cancer are usually diagnosed by esophagogastric endoscopy with biopsy. We performed endoscopic ultrasound-guided Trucut biopsy(EUS-TCB) to diagnose a mediastinal mass in a 49 year-old patient, who visited our hospital because of voice change. During procedure, we accidently found enlarged celiac lymph node, and obtained tissue from the mediastinal lymph node and the celiac lymph node. We confirmed double primary cancer of squamous cell carcinoma in the esophagus and the hypopharynx via esophagogastric endoscopy.
表明煥 한국공법학회 2003 公法硏究 Vol.32 No.2
Die Schaffung rechtsstaatlicher und marktwittschaftlicher Sttukturen nach dem Zusammenbruch des sozialistischen Systems in Nordkora witft das Problem der offenen Vermo¨gensfragen(Reprivatisierung) auf, das heißt, die Frage nach der Wirksamkeit der kommunistischen Enteignungen. Die Frage, ob und inwieweit der Staat die Ansptu¨che fru¨herer Eigentu¨mer berucksichtigt, ist damit Teil der Vergangenheitsbewaltigung. Eine Verpflichtigung zur Wiedergutmachung der kommunistischen Enteignunen besteht nicht. Hat sich der Gesetzgeber jedoch fu¨r die Wiedergutmachung fru¨heren Unrechts entschieden, dann unterliegt er den Bindungen der jeweiligen Vetfassung(z.B. Rechts- und Sozialslstaatsprinzip , Gleichheitssatz). Die offene Vermo¨gensfragen ko¨nnen entweder durch Ruckgabe des enteigneten Eigentums oder durch Entscha¨digung gelo¨st werden. Die Lo¨sung der offene Vermogensfragen besteht in Deutschland aus einer Kombination zwischen Ruckgabe und Entscha¨digung, wobei gtundsa¨tzlich die Ru¨ckgabe und sekunda¨t die Entscha¨dgung zur Anwendung kommen soll. Tatsa¨chlich wird aber dieser Grundsatz durch zahlreiche Ausnahmen relativiert. Der ungarische Gesetzgeber hat sich angesichts einer mo¨glichen Verletzung des Gleichheitssatzes fu¨r den Gtundsatz "Entscha¨digung vor Ru¨ckgabe" entschieden. Angesichts des hohen Haushaltsdefizits etfolgte die Entscha¨digung nicht durch Geldzahlungen sondern durch ubertagbare Wertpapiere, sogenannte Entschadigungsscheine, die hauptsachlich zum Kauf von Beteiligungen an Staatsunternehmen, offentlicher Wohnungen und zur Ersteigetung von landwirtschaftlichen Grundstucken in Staatshand berechtigten. Durch die Ausgabe der Entschadlgungsscheine wurde die Verkehrsfa¨higkeit umgewandelter Staatsbetriebs gesichert und zugleich das Borsengeschehen belebt, ohne daß zusa¨tzliche finanzielle Mittel aufgewendet werden mußten. Fur das Restitionsmodell spricht, daß der Entschadigungsgrundsatz zu einer erheblich ho¨heren Belastung des Haushalts als bei dem Restitutionsgrundsatz fru¨hren kann. Die Ausfu¨htung des Restitutionsmodells kann jedoch aufgtund der Vielzahl von Vetwaltungs- und Gerichtsentscheidungen ebenfalls ho¨here Kosten vetursachen als das Entscha¨digungsmodell. Das Entschadigungsmodell ko¨nnte demgegenuber durch den Verkauf der nicht zu restituierenden Vermogenswerte finanziert werden. Dann wu¨rde jedoch der materielle Vorteil bei der offentlichen Hand liegen. Ungarn hat die Belastung des Staatshaushaltes durch die Ent schadigungsscheine gelo¨st und an die Reprivatisietung und die Privatisietung gekoppelt. Durch diese Methode wurde die Voraussetzung fur Adschwung der Wirtschaft geschaffen. Unter gesellschaftspolitischen und volkswirtschaftlichen Gesichtspunkten ist daher die ungarische Methode zur Reprivatisietung als sachgerechte und tragfa¨hige Lo¨sung fu¨r Wiedervereinigung Koreas zu sehen.
전기임피던스 단층촬영법을 위한 단순화된 매모그래피 구조의 모델
최명환 강원대학교 산업기술연구소 2006 産業技術硏究 Vol.26 No.B
Electricnl impedance tomography (EIT) is a technique for determining the electrical conductivity and permittivity distribution within the interior of a body from measurements made on its surface. One recent application area of the EIT is the detection of breast cancer by imaging the conductivity and permittivity distribution inside the breast. The present "gold standard" for breast cancer detection is X-ray mammography, and it is desirable that EIT and X-ray mammography use the same geometry. This paper presents a forward model of a simplified mammography geometry for EIT imaging. The mammography geometry is modeled as a rectangular box with electrode arrays on the top and bottom planes. A forward model for the electrical impedance imaging problem is derived for a homogeneous conductivity distribution and Validated by experiment using a phantom tank.
SC 합성 기둥-철골 보 접합부의 내진성능에 관한 실험적 연구
오명호,이창환,김명한,김대중,김상대 대한건축학회 2005 大韓建築學會論文集 : 構造系 Vol.21 No.3
Steel-concrete composite column is a recently developed composite system, in which the two opposite flanges of H-shape section are connected by welded links, and vacant space enclosed by the flanges, web and links is filled with concrete. The purposes of this paper are to suggest efficient moment-connection details for SC composite column system and to verify their seismic performance. Two types of SC composite column-steel beam connections were proposed; one for strong axis of column and the other for weak axis of column. Cyclic loading tests for two full-scaled specimens were performed according to the standard loading history of SAC(2000). Moment-connection detail for strong axis of column showed sufficient seismic performance required for SMRF(special moment resisting frame). However, connection detail for weak axis of column exhibited inferior seismic performance than that for strong axis of column, which satisfied the requirements for OMRF(ordinary moment resisting frame). Additional studies are needed to increase elastic stiffness and seismic performance of connection detail for weak axis of SC composite column.
양명환,남사웅 濟州大學敎 體育科學硏究所 1999 체육과학연구 Vol.5 No.-
The participation in regular physical exercise can have positive effect on psycho-sociological changes as well as physiological-biochemical changes. Findings in literature concerning the special relationship between psychological wellbeing and regular physical activity have suggested that physical activity may modify state variable such as anxiety and depression. There is evidence that in addition to reducing levels of anxiety and depression. exercise can improve such psychological paramaters as self-confidence. feelings of control. self-determination. self-sufficiency. Exercise as an effective tool in promoting psychological wellbeing, positive and negative addiction to exercise are discussed. In sociological aspects. we have discussed socialization via sport. In general. sport proponents frequently claim that sport produce such desirable traits as democratic citizenship, moral character, adjusted personality. respect for constituted authority. cultivation of discipline. But at the other critics have condemned modern sport for excessive violence. overemphasis on winning. and exploitation of individuals. We have discussed in terms of these contrasting perspective. Whether traits. skills. and value learned in a specific sport context will carry over to other contexts depends upon several dimensions of social interaction.