• 대한기계학회:학술대회논문집
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• 대한기계학회 2008년도 추계학술대회A
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• pp.1022-1027
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• 2008

This paper represents a study on the conceptual design of new automatic bicycle transmission. The gear change in a commercial bicycle is carried out by moving the chain between sprockets. By the use of a multiple sprocket for speed change the power loss and transmission shock may occur. To solve the problem of bicycle transmission, the improved solution was derived by the technical contradiction matrix of TRIZ. The conceptual solution is one sprocket which replaces the function of multiple sprockets and adapts actively to the pitch of chain. And it was confirmed to be an adequate design through the Independence Axiom of design axiom.

• 기술혁신학회지
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• 제16권2호
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• pp.408-423
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• 2013

창조와 혁신이 성공의 중요한 키워드로 대두되면서 창의적 문제해결 방법론인 트리즈(TRIZ)에 대한 관심이 고조되고 있다. 지금까지 트리즈는 전자 및 기계분야에 도입되어 제품혁신의 원동력으로 활용되고 있어, 본 연구에서는 미래유망기술인 바이오분야에 트리즈 기법을 적용하여 문제를 해결하고 혁신적인 연구개발을 추진할 수 있는지의 가능성을 타진해보고자 하였다. 바이오분야 연구 중 홍삼제조과정에서 발생하는 문제를 선정하고, 이의 문제와 문제원인 구분 및 모순을 도출하고 트리즈의 발명 40가지 원리를 적용하여 홍삼 제조과정에서 발생되는 갈라짐 문제를 해결하고자 하였다. 홍삼은 수삼을 스팀 등의 방법으로 쪄서 익혀 말린 담갈색의 인삼으로, 홍삼의 갈라짐은 유효성분의 유출과 외형등급 하락으로 상품성을 떨어트리는 주요 원인이 된다. 트리즈 툴(Tool) 중 모순 매트릭스 및 브레인스토밍을 통해 적용 가능한 발명원리를 도출하고, 실험을 통해 홍삼 제조과정에서 갈라짐을 방지할 수 있는 유용한 방법들을 제안하였다.

• 지식경영연구
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• 제6권2호
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• pp.1-22
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• 2005

Knowledge is recognized as the most important asset among enterprises. Therefore, the necessity of knowledge management is ever on the increase nowadays. While many people have endeavored to develop knowledge storage, sharing and usage, knowledge creation is not sufficiently investigated for practical application, because knowledge creation is largely related to creativity and difficult to establish a systematic methodology. In order to overcome such problems, the creative knowledge creation model is proposed by using the whole brain theory and creative thinking tools. First of all, the creative knowledge creation model is based on the Nonaka's knowledge creation model integrated with the whole brain theory. The whole brain theory is then used as a standard to organize a whole brain team that is composed of members who have diverse thinking patterns. For creative thinking tools, the mandal-art and the contradiction matrix of TRIZ are used for a knowledge conversion. Each process of the creative knowledge creation model is sequentially suggested and several terms are defined. In order to verify the effectiveness of the creative knowledge creation model, the proposed model is applied to the development of a dishwasher with a new concept. According to the order of the proposed method, the model is applied twice in the cycle of spiral evolution. Three kinds of dish-washing methods have been developed using the proposed model. The results of the application are then analyzed and presented.

• 한국산학기술학회논문지
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• 제19권6호
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• pp.55-67
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• 2018

대한민국의 방위산업은 1970년 이후 지속적으로 성장하고 있다. 2015년 방위산업의 경제적 효과는 187조 원으로 추산되며, 수출액 또한 36억1000만 달러를 초과 하였다. 이러한 방위산업의 발전과 함께 방산 대기업의 품질경영시스템 수준은 높아졌지만 아직도 많은 중소 방산업체들의 품질경영시스템 수준은 낮은 실정이다. 이에 본 논문에서는 중소 방산업체의 품질경영시스템 수준 향상을 위한 방법론을 개발하였다. 본 방법론에 활용되는 지원 도구는 101개의 수집된 개선사례를 비롯하여 사례들의 분석을 통해 15개의 일반화된 개선효과와 14개의 일반화된 개선 방법이 도출하였다. 또한, 창의적인 문제해결 방법론인 TRIZ의 모순 행렬 개념을 활용하여 3개의 개선행렬이 도출되었으며 개발된 개선행렬은 본 방법론 실행을 위한 중요한 지원도구 활용된다. 본 연구에서 제시하는 사례기반 품질경영시스템 개선방법론은 4개의 Task와 8개의 Subtask로 구성 되어 있으며 중소 방산업체의 품질부서 및 품질담당자의 자사 품질경영시스템상의 부적합사항 발생시 창의적으로 문제해결을 위한 가이드라인 제공 및 지원도구로 활용될 수 있을 것이다.

• 한국건축시공학회지
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• 제4권3호
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• pp.109-116
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• 2004

Normally easy task of plat in urban architecture is that using underground full of activities for increase building site efficiency. Especially for using underground space for the parking lot. Also utilize underground is more increase for fulfill requirement in modern society considered with environmental friendly architecture. The primary objective of this study is to apply analyzed formal foundation type for selecting the optimum type of parking lots considered with structural stability, economical efficiency, construction efficiency, construction duration. This study aim to on criteria decided through the questionaries for the selection considered with in the scale of second stories parking lots underground, parking volume is 80 and reinforced concrete structure. The bearing capacity is 6～8m and downward from surface, healthy ground bearing capacity is 40 t/m2. This study comparative analysis and discuss economical efficiency, construction efficiency, construction duration based constructivist stability which applied Single foundation, Mat foundation, Drop Mat foundation. The result of this study is as follows: First, the result of economical efficiency is that on the basis of single foundation, Drop Mat foundation is 1.88, Mat foundation 2.04 as a comparative analysis on the basis of total construction cost included material cost, labor coast and machinery cost. Second, the result of construction efficiency order is single foundation, Drop Mat foundation, Mat foundation as a comparative analysis on the based connected characteristics. Third, the result of construction duration is that on the basis of Mat Foundation, Drop Mat foundation is 1.33, single foundation is 1.87 as a comparative analysis Critical Path. Forth, Each foundational type characteristics order through the matrix method is that overall each formal type of foundation contraries at economical efficiency and construction efficiency, construction duration. Also expect contradiction between engineers and owners due to engineer pursuit construction duration and ewer to begin with economical efficiency. Fifth, The selection of suitable foundation formal type needs that based consider project characteristic and field condition as according to above result of a comparative analysis. As a result, a comparative analysis economical efficiency, construction efficiency, construction duration of Mat foundation, Drop Mat foundation, single foundation with 3Bay reinforced structure underground parking lots on the healthy ground.