• Title/Summary/Keyword: Super

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Case Study on Mega Foundations of Domestic and Foreign Super High-Rise Buildings (국내외 초고층 건축물의 대단면 매트기초 시공사례와 분석)

  • Park, Young-Seok;Lee, Hai-Chool;Kim, Kyoung-Min;Cho, Chang-Shik;Rhim, Hong-Chul
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2010.05a
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    • pp.17-19
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    • 2010
  • This paper describes the possibility of the raft thickness reduction for mega foundations system of super high-rise buildings through a case study on domestic and foreign super high-rise buildings. In case of super high-rise buildings, the size of foundations, especially raft becomes wider and deeper because of heavy upper load. It is difficult to pour concrete of this kind of mega foundation, and cracks by hydration heat could happen. Therefore, there are several ways to reduce the raft thickness of mega foundations. Piled-raft could be the one because moment and shear load that the raft subjects on by soil reaction are lower. The effect of the piled-raft foundation on the raft thickness reduction could be confirmed by comparison of super high-rise buildings with pile, piled-raft and mat foundation. Furthermore, it was showed that the raft thickness could be more reduced by locating piles right under the vertical members of super structures.

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Development of a screw type super-charger for part load control (부분부하제어를 위한 스크류형 과급기 개발)

  • Bae, Jae-Il;Bae, Sin-Chul
    • Proceedings of the KSME Conference
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    • 2001.11b
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    • pp.353-358
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    • 2001
  • Turbo-charging or Super-charging has been used to boost engine power for Gasoline Engine and Diesel Engine came to the world at the beginning of $20^{th}$ century. So far Turbo-Charger has enjoyed a high reputation in the charging filed for its technical advantages such as no demand of operation power from engine and an excellent charging effect in the event of a static operation at mid- and high engine speed. A mechanically driven Super-Charger, however, is now emerging in order to meet demands of the age of speed such as high engine power for a quick change of the driving mode - high engine torque even at low engine speed. Since Super-Charger needs driving power from engine, it cannot improve its relatively higher fuel consumption against that of Turbo-Charger. This negative point is still an obstacle to the wide use of Super-Charger. Super-Charger using Screw-type compressor which has already had a considerable base in air compressor market will fulfill this purpose of improving fuel consumption by minimizing operation power owing to no charging at idling or partially loading driving. This study aims to develop power control concept to achieve this minimization of operation power.

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The design method of overheat protection orifice for power plant boiler super heated tube (발전용 보일러 주증기 튜브 과열방지용 오리피스 설계기법)

  • Kim, Bum-Shin;Yoo, Seong-Yeon;Ha, Jung-Su;Kim, Eui-Hyun
    • Proceedings of the KSME Conference
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    • 2003.11a
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    • pp.373-378
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    • 2003
  • It is important that overheat protection of super heated tube in boiler operation and maintenance. The overheat of super heat tube can make damage and rupture of tube material, which causes accidental shutdown of boiler. The super heated tube overheat is almost due to the lack of uniformity of gas temperature distribution. There are two ways to protect overheat of super heated tube. The one is to control hot gas operation pattern which is temperature or flow distribution. the other is to control super heated steam flow distribution. The former is difficult than the later, because of control device design. In this paper steam flow control method which uses orifices is proposed to protect overheat of super heat tube.

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Random Signal Characteristics of Super-RENS Disc (Super-RENS Disc의 Random 신호 특성)

  • Bae Jaecheol;Kim Jooho;Kim Hyunki;Hwang Inho;Park Changmin;Park Hyunsoo;Jung Moonil;Ro Myongdo
    • 정보저장시스템학회:학술대회논문집
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    • 2005.10a
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    • pp.119-123
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    • 2005
  • We report the random pattern characteristics of the super resolution near field structure(Super-RENS) write once read-many(WORM) disc at a blue laser optical system(laser wavelength 405nm, numerical aperture 0.85) and the Super-RENS read only memory(ROM) disc at a blue laser optical system(laser wavelength 659nm, numerical aperture 0.65). We used the WORM disc of which carrier-to-noise ratio (CNR) of 75nm is 47dB and ROM disc of which carrier-to-noise ratio (CNR) of 173nm is 45dB. We controlled the equalization (EQ) characteristics and used advanced partial-response maximum likelihood (PRML) technique. We obtained bit error rate (bER) of 10-3 level at 50GB WORM disc and bite error rate of 10-4 level at 50GB level ROM disc. This result shows high feasibility of Super-RENS technology for practical use.

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A Design of Super Value based Flexible KEB Reasoning System (Super Value 기반의 유연한 KEB 추론 시스템의 설계)

  • Shim, JeongYon
    • Journal of the Institute of Electronics and Information Engineers
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    • v.50 no.5
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    • pp.137-143
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    • 2013
  • In recent years there have been many efforts for changing from machine oriented technology to human oriented technology gradually. In the research of Intelligent system, the previous simple learning and reasoning methods are also changing to human like processing, namely the direction of implementing humanity. Especially as Neuro Engineering research is getting active, the studies on application of brain function are increasing in the engineering aspects. In this paper, we defined Super Value as a concept which reflect the higher value of 'viewpoint' and proposed flexible KEB(Knowledge-Emotion Binding) System. The system has a hierarchical structure which consists of Main level and Super level for flexibility and it is designed for having the function of extracting KEB Threads by Reasoning mechanism.

A Study on Relationship between Contemporary Art and Super Graphic (현대미술과 슈퍼그래픽의 상관성에 관한 연구)

  • 배은미
    • Archives of design research
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    • v.15 no.2
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    • pp.47-58
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    • 2002
  • Public environment including urban circumstances has taken on importance in that it could be nation's cultural powers latent these days. Also, today's study on the field of environment design so far has mainly focused on the fields of architecture and urban panning, while its consideration as the complex of various cultural factors is not enough yet. In addition, because study on the urban super graphic which greatly servos as communication between people and environment is not enough, super graphic has not arose enough public response in reality. The purpose of this thesis is to make super graphic revitalize as the meads of communication from the viewpoint of art, information arid aesthetics by looking into relationship between super graphic and contemporary art motivated in developing process. And This thesis is made studied relationship between super graphic and contemporary art divided into modernism art and post-modernism art.

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Random Signal Characteristics of Super-RENS Disc (Super-RENS Disc의 Random 신호 특성)

  • Bae, Jae-Cheol;Kim, Joo-Ho;Kim, Hyun-Ki;Hwang, In-Oh;Park, Chang-Min;Park, Hyun-Soo;Jung, Moon-Il;Ro, Myong-Do
    • Transactions of the Society of Information Storage Systems
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    • v.2 no.1
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    • pp.38-42
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    • 2006
  • We report the random pattern characteristics of the super resolution near field structure(Super-RENS) write once read-many(WORM) disc at a blue laser optical system(laser wavelength 405nm, numerical aperture 0.85) and the Super-RENS read only memory(ROM) disc at a blue laser optical system(laser wavelength 659nm, numerical aperture 0.65). We used the WORM disc of which carrier-to-noise ratio(CNR) of 75nm is 47dB and ROM disc of which carrier-to-noise ratio(CNR) of 173nm is 45dB. We controlled the equalization(EQ) characteristics and used advanced partial-response maximum likelihood(PRML) technique. We obtained bit error rate(bER) of 10-3 level at 50GB WORM disc and bite error rate of 10-4 level at 50GB level ROM disc. This result shows high feasibility of Super-RENS technology for practical use.

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Manufacturing process of micro-nano structure for super hydrophobic surface (초발수 표면을 만들기 위한 마이크로-나노 몰드 제작 공정)

  • Lim, Dong-Wook;Park, Kyu-Bag;Park, Jung-Rae;Ko, Kang-Ho;Lee, Jeong-woo;Kim, Ji-Hun
    • Design & Manufacturing
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    • v.15 no.4
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    • pp.57-64
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    • 2021
  • In recent materials industry, researches on the technology to manufacture super hydrophobic surface by effectively controlling the wettability of solid surface are expanding. Research on the fabrication of super hydrophobic surface has been studied not only for basic research but also for self-cleaning, anti-icing, anti-friction, flow resistance reduction in construction, textile, communication, military and aviation fields. A super hydrophobic surface is defined as a surface having a water droplet contact angle of 150 ° or more. The contact angle is determined by the surface energy and is influenced not only by the chemical properties of the surface but also by the rough structure. In this paper, maskless lithography using DMD, electro etching, anodizing and hot embossing are used to make the polymer resin PMMA surface super hydrophobic. In the fabrication of microstructure, DMDs are limited by the spacing of microstructure due to the structural limitations of the mirrors. In order to overcome this, maskless lithography using a transfer mechanism was used in this paper. In this paper, a super hydrophobic surface with micro and nano composite structure was fabricated. And the wettability characteristics of the micro pattern surface were analyzed.

Generation Methodology Using Super In-Context Learning (Super In-Context Learning을 활용한 생성 방법론)

  • Seongtae Hong;Seungjun Lee;Gyeongmin Kim;Heuiseok Lim
    • Annual Conference on Human and Language Technology
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    • 2023.10a
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    • pp.382-387
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    • 2023
  • 현재 GPT-4와 같은 거대한 언어 모델이 기계 번역, 요약 및 대화와 같은 다양한 작업에서 압도적인 성능을 보이고 있다. 그러나 이러한 거대 언어 모델은 학습 및 적용에 상당한 계산 리소스와 도메인 특화 미세 조정이 어려운 등 몇 가지 문제를 가지고 있다. In-Context learning은 데이터셋에서 추출한 컨택스트의 정보만으로 효과적으로 작동할 수 있는 효율성을 제공하여 앞선 문제를 일부 해결했지만, 컨텍스트의 샷 개수와 순서에 민감한 문제가 존재한다. 이러한 도전 과제를 해결하기 위해, 우리는 Super In-Context Learning (SuperICL)을 활용한 새로운 방법론을 제안한다. 기존의 SuperICL은 적용한 플러그인 모델의 출력 정보를 이용하여 문맥을 새로 구성하고 이를 활용하여 거대 언어 모델이 더욱 잘 분류할 수 있도록 한다. Super In-Context Learning for Generation은 다양한 자연어 생성 작업에 효과적으로 최적화하는 방법을 제공한다. 실험을 통해 플러그인 모델을 교체하여 다양한 작업에 적응하는 가능성을 확인하고, 자연어 생성 작업에서 우수한 성능을 보여준다. BLEU 및 ROUGE 메트릭을 포함한 평가 결과에서도 성능 향상을 보여주며, 선호도 평가를 통해 모델의 효과성을 확인했다.

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Research on Service Enhancement Approach based on Super App Review Data using Topic Modeling (슈퍼앱 리뷰 토픽모델링을 통한 서비스 강화 방안 연구)

  • Jewon Yoo;Chie Hoon Song
    • Journal of the Korean Society of Industry Convergence
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    • v.27 no.2_2
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    • pp.343-356
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    • 2024
  • Super app is an application that provides a variety of services in a unified interface within a single platform. With the acceleration of digital transformation, super apps are becoming more prevalent. This study aims to suggest service enhancement measures by analyzing the user review data before and after the transition to a super app. To this end, user review data from a payment-based super app(Shinhan Play) were collected and studied via topic modeling. Moreover, a matrix for assessing the importance and usefulness of topics is introduced, which relies on the eigenvector centrality of the inter-topic network obtained through topic modeling and the number of review recommendations. This allowed us to identify and categorize topics with high utility and impact. Prior to the transition, the factors contributing to user satisfaction included 'payment service,' 'additional service,' and 'improvement.' Following the transition, user satisfaction was associated with 'payment service' and 'integrated UX.' Conversely, dissatisfaction factors before the transition encompassed issues related to 'signup/installation,' 'payment error/response,' 'security authentication,' and 'security error.' Following the transition, user dissatisfaction arose from concerns regarding 'update/error response' and 'UX/UI.' The research results are expected to be used as a basis for establishing strategies to strengthen service competitiveness by making super app services more user-oriented.