• Journal of the Korea Academia-Industrial cooperation Society
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• v.16 no.1
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• pp.78-85
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• 2015

Fools usually make people laugh through their comic appearances and foolish behaviors. A fool in King Lear also gives us pleasure by his unique jokes and humors, however, he is not so foolish. He is very wise and has the intuition to penetrate people's mind and understands the facts. He predicts the future, criticizes the untrueness and heals the wounded mind. He always keeps Lear company and makes him realize his own foolishness. After getting out of his own suffering and fear, Lear experiences his healing process of purification with the help of the fool. In this respect, the fool in King Lear is a wise helper and healer for King Lear.

• Proceedings of the Korea Contents Association Conference
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• 2019.05a
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• pp.35-36
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• 2019

셀프 인테리어와 '온라인 집들이' 열풍은 DIY 문화의 확산, 1인 가구의 증가, SNS를 통한 이미지 공유의 증가 등 다양한 문화 현상의 교차 지점에 위치한다. 본 연구는 대표적인 인테리어 정보 공유 및 커머스 플랫폼인 '오늘의 집'에 게시된 온라인 집들이의 구체적 예시를 통해 청년 1인 가구의 셀프 인테리어에 대해 고찰하였다. 경제적, 공간적, 주거 방식의 제약은 이들의 셀프 인테리어 스타일을 형성하는 데 영향을 미쳤다. 낮고, 단순하며, 가벼운 가구, 작고 저렴한 소품 및 장식들은 '내추럴' 혹은 '모던' 이라고 불리는 스타일로 포장되었다.

• Radioisotope journal
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• v.7 no.1
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• pp.68-71
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• 1992

• Journal of Korean Electronics
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• v.4 no.4
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• pp.20-24
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• 1984

• Proceedings of the Korea Information Processing Society Conference
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• 2022.05a
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• pp.139-142
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• 2022

코로나-19와 미세먼지의 증가로 '반려 식물'과 '플랜테리어'에 대한 수요가 늘고있는 추세이다. 본 논문에서는 화분에 IoT를 접목하여, 스마트 화분을 구현하였다. 사용자 인터페이스를 iOS 앱으로 개발하였으며, 늘어나는 iPhone 사용자들에게 익숙한 UX/UI 디자인으로 구현하였다. 스마트폰 앱과 가정의 화분 서버가 인터넷으로 통신함으로써, 언제 어디서나 화분의 상태를 확인하고, 제어를 할 수 있게 구현하였다. 서버와 화분 모듈이 분리되어, 화분 자체의 크기를 줄였다. 화분 하단에 물통이 존재하여, 배액이 그대로 물통으로 흘러내려오는 순환식 구조를 채택하였기 때문에 '플랜테리어'에 적합한 모듈이 될 수 있을 것으로 기대한다.

• Composites Research
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• v.37 no.2
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• pp.86-93
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• 2024

The inner foam structure plays an important role in the performance of the carbon-fiber-reinforced plastic (CFRP) rear spoiler used in automobiles. However, there is still a lack of studies for the CFRP-based rear spoiler according to the type of inner foam, especially under the high-speed driving condition. With this motivation, we numerically analyze the performance of the CFRP rear spoiler using various cases of the inner foam under the highspeed driving condition. Here, polymethacrylimide (PMI), polyvinyl chloride (PVC), and styrene acrylonitrile (SAN) resins are employed as the inner foams in this work. The performances are evaluated using the deformation aspects and vibration characteristics when the driving condition is a high-speed condition (200 km/h). Furthermore, to specifically verify the importance of the inner foam in the high-speed condition, we additionally investigate the performance of the CFRP rear spoiler without the inner foam structure (i.e., hollow type). As a result, it is confirmed that among the types of inner foams utilized in this work, the PMI and PVC inner foams have the best deformation aspect and vibration characteristic, respectively. Note that the hollow-type inner foam has inferior performances compared to other inner foams invoked in this study. Consequently, through this study, it can be confirmed that the inner foam structure can significantly improve the performance of the CFRP spoiler under high-speed driving condition (200 km/h), and also that the strengths of the CFRP spoiler can manifest differently depending on the types of inner foam core.

• KIPS Transactions on Computer and Communication Systems
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• v.12 no.2
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• pp.61-68
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• 2023

Demand for "pet plants" and "planteriers" is increasing due to the increase in COVID-19 and fine dust. In this paper, Smart pots for planterior should be small in size while providing the functions for cultivation without any problems. They should provide a user interface for long-range control for user's convenience. We implemented smart pots by incorporating IoT into pots. In response to the growing number of iPhone users, we developed an iOS app for user interface and UX/UI design. By communicating with the smartphone app and a home pot server over the Internet, users can check and control the state of the pot anytime, anywhere. The server and the pot module were separated to reduce the size of the pot itself. By locating a water bottle at the bottom of the pot, we expect that it is suitable for a "planterier" because it adopts a circulating structure in which drainage flows down to the water bottle as it is.

• Journal of Convergence for Information Technology
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• v.11 no.6
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• pp.262-269
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• 2021

The Ministry of National Defense is re-establishing the role of the Army in accordance with the defense reform and is promoting the Warrior Platform, a next-generation individual combat system. The Warrior Platform project is divided into three stages and is being promoted. In the first stage, the quality and performance of individual items are improved, in the second stage, items between system development are integrated, and in the third stage, the combat capability is maximized by developing an integrated unit weapon system. In this paper, detailed sub-items for the five essential required competencies (survival, lethality, mobility, sustainability, Communication) that are considered for building an effective warrior platform are presented. We also present a plan that can be used to prepare a specific master plan for the Army's Warrior Platform project by using Analytic Hierarchy Process(AHP) and selecting the priority of the five required capabilities and detailed sub-items for different unit types. As a result of analyzing the priorities of the four types of units with different mission types, we find that there are differences for each unit. These results are expected to be used as useful reference materials for setting the future direction for the development of warrior platform.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2008.11a
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• pp.385-386
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• 2008

Dynamic stability of the vehicle rearview mirror is an important factor for the driver's visual perception (image blur) when driving down the road and regarded as one of the vehicle level N&V performance of visible component vibration. Several projects within GM identified a set of objective metrics and validation methods that can replace current existing subjective evaluation of mirror stability. This paper presents objective evaluation results for assessing dynamic stability (angle of rotation) of the vehicle rearview mirrors using both in-lab FRF measurements and on-road testing.

• The Korean Journal of Rheology
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• v.10 no.3
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• pp.121-130
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• 1998

본 연구에서는 카오스 스크류에 대해 비선형 동력학적 모델을 도입하여 카오스가 일어나는 경로를 밝히고 이를 수치적으로 증명하였다. 배리어가 계속존재하는 경우를 적분 가능계로 정의하고 공간주기적 상공간에서 두 개의 호모클리닉 궤도를 포함하는 원환체를 적분가능계의 모델로 도입하였다. 주기적으로 삽입된 배리어 없는 영역을 교란 으로 취급하 여 해 사상을 도입하여 면적 보존의 포인카레 단면을 정의 하였다. 호모클리닉 궤도가 깨어 져 칸토로 집합을 이룸을 설명했고 내부의 원환체는 공진띠와 KAM띠를 이루며 혼합을 방 해함을 설명했다. 다변유한요소를 이용한 완전 3차원수치해석을 통해 회전수 x/3에 해당하 는 공진띠의 존재를 보이고 교란이 큰 경우에는 거의 모든 영역이 무작위적인 혼합을 보여 주는 카오스 영역으로 바뀜을 보였다.