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RISS 인기검색어
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- 저자 : 이순욱(Soonwook Lee) (검색결과 6 건)
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이순욱(Soonwook Lee),신경훈(Kyounghoon Shin) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
The pedal feel of brake system in vehicle is important. In good pedal feel conditions, braking distance is decreased. Pedal feel is affected by many external influences. For example, brake system, booster system and knuckle assembly stiffness have strong influences on pedal feel. If the pedal feel of the turning driving condition is worse than that of the straight driving condition, then that is because of the knuckle side stiffness. And knuckle side stiffness is affected by bearing, hub, knuckle, shrink fit, contact mechanism, etc. So, in this paper, we studied the main factors on knuckle side stiffness, and described the analysis method by simplified load conditions of knuckle system by comparing analysis result with test result.
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위상 최적화를 이용한 C-EPS용 메인 하우징의 경량화 설계
박수주(Suju Park),이순욱(Soonwook Lee),이승엽(Sungyup Lee) 한국자동차공학회 2018 한국자동차공학회 학술대회 및 전시회 Vol.2018 No.11
The C-EPS is an electric steering system in which the actuator that supports the driver"s steering force is located on the column. The main components are motor, ECU, sensor, reducer, main housing. Among them, the main housing plays an important role in determining the assembling position of the main parts such as the reducer, in addition to the function of simply protecting the internal parts. As a result, the rigidity and machining accuracy of the main housing affect system performance. In particular, the C-EPS with the low-rigidity main housing may degrade the NVH performance and system efficiency because the main housing is slightly deformed due to the reducer component generated when the motor operates at the maximum output. Thus, the main housings that are currently in production are heavily weighted to increase rigidity. In recent years, however, the automobile industry has been actively researching the weight reduction of automobile parts in order to improve fuel efficiency, and the need for lightweight design of C-EPS is also emerging. In order to lighten the main housing for C-EPS, researches on structural optimization have been carried out.
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김정희(Jeonghee Kim),이순욱(Soonwook Lee) 순천향대학교 인문학연구소 2023 순천향 인문과학논총 Vol.42 No.1
가곡 <그네>를 작곡한 금수현(1919-1992)은 식민지 시기에 태어나 해방기, 국가체제 형성 과정에서 음악인이자 교육행정가, 매체 발행인으로 활동한 인물이다. 이러한 활동은 글쓰기의 원천으로 작용하였다. 그의 문필활동은 음악도서, 신문ㆍ잡지 매체를 통해서 확인할 수 있다. 그의 문필활동은 매체 발행에서 출발하였다. 이후 신문매체에 칼럼을 연재하여 세태를 비평했다. 그리고 그가 발행한 『월간음악』에서 여론을 주도하여 자신의 입지를 넓혀 나갔다. 그는 각종 잡지매체에 일상수필, 전문논평, 시사비평 등을 게재하면서 자신만의 글쓰기를 지속적으로 이어나갔다. 금수현의 문필활동을 분석한 결과 당대 현실을 반영하여 자신의 비판적인 사유를 담은 글이 지배적이었다는 점이다. 이러한 점에서 금수현의 글은 ‘비평적 글쓰기’로 통칭할 수 있다. 그의 비평적 글쓰기는 격랑의 시대를 겪어온 교육자이자 음악인으로서 당연히 해야 할, 일종의 사명감을 구현한 것이다. 본 연구는 금수현의 문필활동을 개관하고, 그의 비평적 글쓰기를 고찰하였다. 금수현은 비평적 글쓰기를 통해 시대 현실에 적극적으로 개입했으며 자신의 음악적, 사회적, 역사적 시각을 드러냈다. 비평적 글쓰기는 민족 정체성의 탐구와 한글사랑, 음악의 가치 실현과 확산, 대중음악 현실을 비판적으로 바라본 금수현의 철학과 태도를 담고 있다. 이는 우리 것에 대한 진지한 고민에서 출발했으며 자신만의 비평적 글쓰기로 발현되었다. 그의 비평적 글쓰기는 세상에 화두를 던지며 문제의식으로 인식하게 한다. Gum Su-hyun(1919-1992) who composed the song <swing>, was born during the colonial era and worked as a musician, education administrator, and music media publisher during the liberation period and the formation of the national system. These activities served as a source of writing. His literary activities can be confirmed through music related books, newspapers and magazines. Literary activities started from media publication. After that, he published a series of columns in the newspaper media to criticize the social situation. and He expanded his position by leading public opinion in Monthly Music published by him. He continued his own writing by publishing everyday essays, professional commentaries, and current affairs criticism in various magazines. As a result of analyzing Gum Su-hyun’s literary activities, it is that the writings containing his critical thoughts reflecting the reality of the time were dominant. In this respect, Gum Su-hyun’s writings can be collectively referred to as ‘critical writing’. His critical writing embodies a kind of sense of duty, which he must do as an educator and musician who has gone through turbulent era. In this study, Gum Su-hyun’s literary activities were reviewed and his critical writing was examined. Gum Su-hyun actively intervened in the reality of the times through critical writing and revealed her own musical, social, and historical perspectives. Critical writing contains Gum Su-hyun’s philosophy and attitude, which critically views the exploration of national identity, the love of Hangeul, the realization and spread of the value of our style’s music, and the reality of popular music. These consciousness and attitudes were expressed in own critical writings, starting from sincere consideration for our style’s thing. His critical writing bring up a topic into the world and makes it recognized to the problem consciousness.
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2-Pisotn Brake Caliper의 Piston seal죄임량에 따른 제동 드래그 영향성 분석
김유호(Yooho Kim),권택상(TaikSang Kwon),이순욱(Soonwook Lee),유상협(SangHyup Ryu),용호균(Hokyun Yong) 한국자동차공학회 2021 한국자동차공학회 부문종합 학술대회 Vol.2021 No.6
Reducing brake drag has always been one of the most important goals among brake system engineers and its importance is getting higher than ever with a historic ramp-up in global fuel economy and carbon emission standard. Although many studies have been done with regard to the improvement of brake drag, previous papers have focused mainly on studying the shape optimization of the piston seal groove where the piston seal is to be located. The present work attempts to illuminate the interaction between brake drag and piston seal clamping force of the floating type 2-piston caliper. Data from bench tests and CAE are presented and discussed to get a better understanding the effects of piston seal clamping force on brake drag.
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