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企業模型 : 生産部門과 財務部門을 고려한 模擬實驗模型 A Simulation Model with a Production Part and a Financial Part
金熙鐸 상명대학교 논문집 1984 상명대학교논문집 Vol.14 No.-
This study attempts to build a corporate model which has a theoretical background and useful applications to the real world. First, the previous studies are reviewed. The studies are categorized into three parts: studies with simulation models, studies with mathematical programming models and studies with simultaneous equation models. Second, the corporate model which uses the simulations is set up. The model contains a production part and a financial part. It describes the production and the financial part of a unit firm. Third, the simulations are performed with the 19 cases of the variations of the several variables. After the results are analyzed, the model is evaluated. Finally, the conclusions and the recomendations are presented.
리튬 핵 생성 및 성장 제어를 통한 리튬금속음극 가역성 향상
김희탁 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.0
리튬금속음극의 높은 용량에도 불구하고, 전해액과의 반응에 의한 손실 및 불균일한 리튬의 전착 및 용출은 낮은 가역성의 문제 및 안정성의 문제를 야기시켜, 차세대 고에너지밀도 리튬전지의 개발에 한계를 부여하고 있다. 본 연구에서는 리튬금속음극의 여러 문제 중 불균일한 리튬의 전착 및 용출 거동을 이해하고, 리튬핵 생성 및 성장을 제어함으로써 리튬금속음극의 균일성을 향상시키는 시도에 대해 소개하고자 한다. 특히 리튬금속음극의 집전체로 사용되는 구리집전체에서 불균일한 리튬전착이 일어나는 이유를 규명하고, 균일전착을 위한 구리집전체 표면구조 제어 연구를 통해 리튬금속전극 연구의 방법론 및 연구방향을 제시하고자 한다.
김희탁 상명대학교 경영연구소 1995 경영학연구 Vol.- No.3
As the 21st century draws near, we are wondering what kind of production system might be the best system for the mankind in the next century. The system which we are using most is the lean system which was originally designed by Toyota and is now used all over the world with popularity. Lean system is known as the best production system for its efficiency and fast introduction of new products. The system, however, requires high work intensity of the labor. The alternative is the system used by Uddevalla motor plant of Volvo. It used highly autonomous work team and wide breadth of job enlargement. The labor satisfies more despite of less efficiency than the lean system. The question, which system is the better system, is not decided yet. The purpose of the study is to compare these two systems in the aspect of productivity, learning, team operations, and others. The study critically reviews previous studies on the matter. Chapter 2 outlines the background of the lean production system and the major elements of the system. Chapter 3 delineates the social background of the birth of Volvo's production system and the major operation characteristics of the system. Chapter 4 compares two system in the aspects of productivity, learning capability, team operations, and others. Chapter 5 is the conclusion of the study.