• Title/Summary/Keyword: Connection form

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A Study on Patterns of Spatial Connection and Visitor's Circulation Path in Museum Exhibition Space (박물관 단위전시실의 공간연결패턴에 따른 관람객 동선특성에 관한 연구)

  • Choi Jun-Hyuck
    • Korean Institute of Interior Design Journal
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    • v.15 no.3 s.56
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    • pp.155-162
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    • 2006
  • Space is integrated or segment with organic formation by circulation path. It estimates important problem to grasp as factor that promote movement of visitor and space organization without grasping circulation as connection relation about simple space function from these viewpoint, is a thing which this study does not cause confusion to visitor's circulation path through data that analyze form of space connection and visitor's circulation path as quantitative in museum space and layout form that access by easy each unit exhibition grasps what it is. This study does factor grasping for guideline and inspection circulation path of layout by purpose in exhibition space on the basis of analytical result that grasps connection form between exhibition area that grasp laying stress on visitor's movement and appears in space through follow-up survey for circulation path of museum exhibition area. Space connection form that is expose by sequence of investigation and analysis(II) estimates on constituent affecting to visitor's circulation, and these do not speak for all space connection forms at the museum, but may systematize typology about connection form of unit spaces to utilize by indicator pointer of space planning if continue study to various spatial sphere more than hereafter. Unit exhibition area, divide connection form of space by grid and tree and laying stress on this quantitative data by spectator follow-up survey comparison and Estimate that space connection form provides partial basis of judgement for supposition that can promote direction and circulation path about visitor's movement if summarize result of investigation and analysis (III).

LINEAR CONNECTIONS IN THE BUNDLE OF LINEAR FRAMES

  • Park, Joon-Sik
    • Journal of the Chungcheong Mathematical Society
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    • v.25 no.4
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    • pp.731-738
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    • 2012
  • Let L(M) be the bundle of all linear frames over $M,\;u$ an arbitrarily given point of L(M), and ${\nabla}\;:\;\mathfrak{X}(M)\;{\times}\;\mathfrak{X}(M)\;\rightarrow\;\mathfrak{X}(M)$ a linear connection on L(M). Then the following results are well known: the horizontal subspace and the connection form at the point $u$ may be written in terms of local coordinates of $u\;{\epsilon}\;L(M)$ and Christoffel's symbols defined by $\nabla$. These results are very fundamental on the study of the theory of connections. In this paper we show that the local expressions of those at the point $u$ do not depend on the choice of a local coordinate system around the point $u\;{\epsilon}\;L(M)$, which is rarely seen. Moreover we give full explanations for the following fact: the covariant derivative on M which is defined by the parallelism on L(M), determined from the connection form above, coincides with $\nabla$.

An Analysis on Current Limiting characteristics of an SFCL using Magnetic Coupling between Two Coils through Computer Simulation (시뮬레이션을 통한 자기결합을 이용한 초전도 한류기의 전류제한 특성 분석)

  • Kim, Jin-Seok;Ahn, Jae-Min;Lim, Sung-Hun;Moon, Jong-Fil;Kim, Jae-Chul;Kim, Chul-Hwan;Hyun, Ok-Bae
    • Progress in Superconductivity and Cryogenics
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    • v.10 no.1
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    • pp.42-47
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    • 2008
  • In this paper, the fault current limiting characteristics for the superconducting fault current limiter(SFCL) using magnetic coupling between two coils were investigated. The SFCL consists of a high-$T_c$ superconducting(HTSC) element and two coils. This SFCL has different characteristics that depend on the connection form, the winding direction and the inductance ratio of two coils. The impedance and the operational current of the SFCL can be adjusted higher or lower than the resistance and the critical current of HTSC element. Therefore, the SFCL can change the amplitude of the limited fault current. To confirm it, the HTSC element was modeled and the fault current limiting characteristics of the SFCL were analysed through computer simulation. It was obtained from the analysis that the connection form and the winding direction of two coils of the SFCL were the important design parameters.

Japanese-to-Korean Inflected Word Translation Using Connection Relations of Two Neighboring Words (인접 단어들의 접속정보를 이용한 일한 활용어 번역)

  • Kim, Jung-In;Lee, Kang-Hyuk
    • Korean Journal of Cognitive Science
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    • v.15 no.2
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    • pp.33-42
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    • 2004
  • There are many syntactic similarities between Japanese and Korean language. These similarities enable us to build Japanese-Korean translation systems without depending cm sophisticated syntactic analysis and semantic analysis. To further improve translation accuracy, we have been developing a Japanese-Korean translation system using these similarities for several years. However, there still remain some problems with regard to translation of inflected words, processing of multi-translatable words and so on. In this paper, we propose a new method for Japanese-Koran machine translation by using the relationships of two neighboring words. To solve the problems, we investigate the connection rules of auxiliary verb priority. And we design the translation table, which consists of entry tables and connection form tables. for unambiguous words, we can translate a Japanese word to the corresponding Korean word in terms of direct-matching method by consulting the only entry table. Otherwise we have to evaluate the connection value computed from connection form tables and then we can select the most appropriate target word.

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TORSION TENSOR FORMS ON INDUCED BUNDLES

  • Kim, Hyun Woong;Park, Joon-Sik;Pyo, Yong-Soo
    • Journal of the Chungcheong Mathematical Society
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    • v.26 no.4
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    • pp.793-798
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    • 2013
  • Let ${\phi}$ be a map of a manifold M into another manifold N, L(N) the bundle of all linear frames over N, and ${\phi}^{-1}$(L(N)) the bundle over M which is induced from ${\phi}$ and L(N). Then, we construct a structure equation for the torsion form in ${\phi}^{-1}$(L(N)) which is induced from a torsion form in L(N).

ESS Design and Performance Evaluation Considering Efficiency of Energy Distribution (에너지 분배의 효율성을 고려한 ESS 설계 및 성능 평가)

  • Kang, Jin-Gu
    • Proceedings of the Korean Society of Computer Information Conference
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    • 2017.07a
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    • pp.392-393
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    • 2017
  • 본 연구에서는 에너지 저장시스템인 ESS 에너지 분배에 관한 시스템을 설계 및 제작하고 성능을 평가하였다. ESS에 충전하는 방법은 현재 기존의 상용전원을 전지에 충전하는 방식과(연계형) 태양광 에너지를 이용한 방법(독립형)으로 나누어져 있다. 본 연구에서는 어느 한쪽을 선택해야하는 번거로움을 줄여 상용전원과 태양광을 동시에 충전할 수 있는 시스템으로 설계하였다. 이러한 방법은 날씨 및 기타 외부적 환경이 좋지 않을 경우 일반 상용전원(AC 220V)를 이용하며 외부적 환경이 좋을 때는 태양전지로 충전이 가능하도록 연계형과 독립형이 동시에 가능하도록 구성하였다. 또한 출력에서 기존의 AC 220V 출력뿐만 아니라 DC12V, 24V의 전압과 USB(5V)도 동시에 출력이 가능하게 설계하므로 필요한 전압을 외부의 인버터나 컨버터가 필요 없이 바로 사용할 수 있도록 배분하였다. 따라서 본 연구에서는 ESS의 전력을 효율적으로 배분하므로 효율성을 증가시키고 내부의 배터리를 보호하는 시스템을 구성하여 그 성능평가를 실시하였으며 실험결과 효율적으로 배분된 전력을 얻을 수 있음을 검증하였다.

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A Basic study of Bolt-type Connection Form of Green Frame (그린 프레임 볼트방식 접합형태 비교 기초연구)

  • Kim, Geun-Ho;Lim, Chae-yeon;Na, Young-Joo;Kim, Sun-Kuk
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2012.05a
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    • pp.337-338
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    • 2012
  • As a rahmen structure, the connection among columns of Green frame is divided into three types such as sleeve, coupler (column pre and post installation), and bolt. The bolt type consists of six types according to steel frame shape and each type has different constructability, safety, structural performance, cost, and quality. Therefore, the analysis of comparison among the types is necessary. The objective of this study is to analyze the characteristics according to the shape of six bolt types to select the appropriate connection of Green frame. The results of this study can be used as a basic study for indentifying the characteristics of steel frame on site applying bolt type connection of Green frame. In addition, this study can be applicable to compare and analyze the performance and constructability of six bolt types in detail.

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Finite Element Stress Analysis of Implant Prosthesis According to Friction Fit or Slip Fit of Internal Connection System between Implant and Abutment (임플랜트와 지대주 간 내측연결 시스템에서 Friction Fit와 Slip Fit에 따른 유한요소 응력분석)

  • Jang, Doo-Ik;Jeong, Seung-Mi;Chung, Chae-Heon
    • Journal of Dental Rehabilitation and Applied Science
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    • v.21 no.2
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    • pp.113-132
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    • 2005
  • The purpose of this study was to assess the stress-induced pattern at the supporting bone, the implant fixture, the abutment and the abutment screw according to a friction-fit joint (Astra; Model 1) or slip- fit joint (Frialit-2; Model 2) in the internal connection system under vertical and inclined loading using finite element analysis. In conclusion, in the internal connection system of the implant and the abutment connection methods, the stress-induced pattern at the supporting bone, the implant fixture, the abutment and the abutment screw according to the abutment connection form had difference among them, and the stress distribution pattern usually had a widely distributed tendency along the inner surface of the implant fixture contacting the abutment post. The magnitude of the stress distributed in the supporting bone, the implant fixture, the abutment and the abutment screw was higher in the friction-fit joint than in the slip-fit joint. But it is considered that the further study is necessary about how this difference in the magnitude of the stress have an effect on the practical clinic.

Finite Element Stress Analysis in Supporting Bone according to Crest Module Shape of Fixture in Internal Connection System (내측연결 시스템에서 임플란트 고정체의 경부 형태에 따른 지지골에서의 유한요소 응력분석)

  • Park, Young-Nam;Kim, Hee-Jung;Oh, Sang-Ho;Chung, Chae-Heon
    • Journal of Dental Rehabilitation and Applied Science
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    • v.22 no.1
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    • pp.55-74
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    • 2006
  • The external contour of an implant can have significant effects on the load transfer characteristics and may result in different bone failure rates for different implant system. The purpose of this study was to investigate the effects of crest module shape and occlusal load direction on bone failure modes of five commercially available dental implant systems. Five different implant systems with internal connection; ITI (Model 1), Astra (Model 2), Bicon (Model 3), Friadent (Model 4), and Paragon (Model 5), comparable in size, but different in thread profile and cest module shapes, were compared using the finite element method. Conclusively, in the internal connection system of the implant-abutment connection methods, the stress-induced pattern at the supporting bone according to the abutment connection form had differenence among them, and implants with narrowing crestal module cross-sections at the top of the cortical bone created more favorable load transfer characteristics in this region. But it is considered that the future study is necessary about how this difference in the magnitude of the stress have an effect on the practical clinic.