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Cluster Analysis and Switching Algorithm of Multi-Objective Optimal Control Design
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안전한 차량전장용 소프트웨어 업데이트를 위한 더블 부트 시스템
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Platelet tissue factor synthesis in type 2 diabetic patients is resistant to inhibition by insulin
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나체 및 춘추복 착용시의 피부온도와 온열감각과의 관계
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항공기 형상 최적설계 프로세스를 위한 표면 격자 자동 생성 프로그램의 개발
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Mentalization-based Interventions in Child Psychiatry and Youth Protection Services II: A Model Founded on the Child's Prementalizing Mode of Psychic Functioning
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- 저자 : 강상균 (검색결과 205 건)
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고유익형 KA2가 적용된 풍력 블레이드의 회전토크와 추력에 익형의 항력이 미치는 영향 분석
강상균,박성수,이상일,이장호 한국풍력에너지학회 2021 풍력에너지저널 Vol.12 No.1
Many studies have been conducted on the design of wind turbine blades and the several forces necessary for the operation of a wind turbine and its integrated load analysis such as thrust and torque generated at the design point. However, studies on the effect on such several forces by the drag force of a horizontal axis wind turbine blade have not been sufficient. The analysis of the drag effect of an airfoil on the rotational torque and thrust of wind turbine blades requires more precise design performance and drive performance of wind turbines. Therefore, it is necessary to review the degree of effect of airfoil drag force on rotational torque and thrust during the development of wind turbine blades. In this study, a wind turbine blade with the original airfoil KA2 was developed and manufactured for a performance test and the drag effect of an airfoil on the rotational torque and thrust of the horizontal axis wind turbine blade was analyzed. It was confirmed that the drag effect on torque is larger than that of thrust and that the effect of the drag force to the lift force is larger from the root to the tip.
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조상설비 조합에 따른 정태적 특성 및 동태적 특성 비교
강상균,장길수,이병준,권세혁 대한전기학회 2005 전기학회논문지A Vol.54 No.4
- Various compensators are installed into the power system to operate the system economically and stably by maximizing the availability of utilities and power transmission capability. Fixed Capacitor(FC), Mechanical Switched Capacitor(MSC), and FACTS(Flexible AC Transmission Systems) are used to regulate voltage and power flow of the system. When a disturbance occurs in the power system, the Fixed Capacitor operates dependently on the voltage of the power system and cannot change the amount of installation automatically. But compared to other equipment, the Fixed Capacitor is more economical due to its low cost. Since MSC can change the amount of installation according to the state of the power system, operates more effectively than the Fixed Capacitor. FACTS have fast dynamic performance for the transient condition, but the cost is high. Therefore, it is needed to develop an optimized installation planning for the reactive power compensators by considering their dynamic performance and cost. In this paper, an optimized compensator combination and the proposed scheme is proposed and it is applied to KEPCO system in order to show its capabilities.
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사회간접자본 민간투자사업의 핵심성공수행 요인분석에 관한 연구
강상균,김연성,유석천,이규태 한국경영공학회 2008 한국경영공학회지 Vol.13 No.2
The purpose of this study is to contribute to the development of infrastructure projects in Korea both theoretically and practically. Most importantly, critical success factors identified in this study could help private sectors succeed in carrying out infrastructure projects. The main methodology used for carrying out this study is the DHP method which is a comprehensive way of using both the Delphi technique and the AHP technique. The Delphi technique extracts critical success factors and subsequent implementation guidelines for infrastructure projects. The AHP technique was used to weigh identified factors and analyze their differences. This study will also provide private enterprises with a road map for proceeding with their projects and improving project performances. By sharing critical success factors with government authorities, infrastructure development policies and regimes could better reflect those success factors. Lastly, the study methodologies and results will serve as a theoretical base to infrastructure studies in the future. The purpose of this study is to contribute to the development of infrastructure projects in Korea both theoretically and practically. Most importantly, critical success factors identified in this study could help private sectors succeed in carrying out infrastructure projects. The main methodology used for carrying out this study is the DHP method which is a comprehensive way of using both the Delphi technique and the AHP technique. The Delphi technique extracts critical success factors and subsequent implementation guidelines for infrastructure projects. The AHP technique was used to weigh identified factors and analyze their differences. This study will also provide private enterprises with a road map for proceeding with their projects and improving project performances. By sharing critical success factors with government authorities, infrastructure development policies and regimes could better reflect those success factors. Lastly, the study methodologies and results will serve as a theoretical base to infrastructure studies in the future.
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Linguistic Categorization and Imagistic Theory of Meaning
강상균 그리스도신학대학교 출판부 2016 교수논문집 Vol.16 No.-
Linguistic Categorization and Imagistic Theory of Meaning
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四鹽化炭素 投與 마우스肝의 病理組織學的 硏究 : 特히 組織化學的 所見에 關하여
康相均 우석대학교 의과대학 1969 우석의대잡지 Vol.6 No.1
Destructive and regenerative changes were studied histopathologically and histochemically on the mouse liver, damaged by oral administration of carbon tetrachloride. The results were as follows : 1. During the course of time, balloon cell, as well as karyorrhexis and karyolysis were seen in the central and mid zone of the hepatic lobules, and necrosis is pronounced in the central zone. 2. Regenerative figure is most prominent in the mid zone of the hepatic lobules, and histochemically conspicuous increment of DNA is noted in the regenerating cells. Morphologic repair and increment of DNA show coincidental finding. 3. Either in degenerative or in regenerative state, the changes of RNA precede to that of DNA histochemically 4. Liver cirrhosis is seen histologically after the cellular alterations, such as necrosis of the parenchymal cells, pyknosis, karyorrhexis and increment of mitotIc figure. 5. Glycogen and RNA show identical changes chronologically, and they are gradually increased in the regenerating cells.
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L2 Syntax-Discourse Interface: Wh-Parameter and D-Linking
강상균 서울대학교 언어교육원 2014 語學硏究 Vol.50 No.2
In English, the Superiority Condition (Chomsky 1973) is overtly observed;in multiple wh-questions, the wh-phrase that is closest to SpecCPgets moved. But this condition is overridden by discourse-linking whichphrases(Pesetsky 1987) ; i.e., any one of the which-phrases can move toSpecCP. However, these phenomena are overt only in a wh-movementlanguage such as English, but not in wh-in-situ languages such asKorean. For Koreans to learn the syntactic contrast in English, resettingthe wh-parameter is crucial. By examining L2 acquisition of superiorityand discourse-linking, this study tests the Interpretability Hypothesis andthe Interface Hypothesis. 51 Korean ESL learners and 18 native Englishspeakers participated. The results suggest the learners’ parameter resettingregardless of the uninterpretability of the target feature.
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