• Title/Summary/Keyword: ArchiveGrid

Search Result 7, Processing Time 0.019 seconds

Checks, grids and tartans

  • Wang, Chaoran;Hann, Michael Andrew
    • The Research Journal of the Costume Culture
    • /
    • v.23 no.5
    • /
    • pp.922-927
    • /
    • 2015
  • Checks are best considered as a (visible) sub-set of grids, and each check consists of two assemblies of parallel lines, one superimposed on the other at ninety degrees. In the conventional textile context, one assembly of parallel yarns is superimposed on another at ninety degrees. These parallel lines caused by the yarns remain visually apparent in the finished composition. Commonly, checks are considered simply as a variety of woven textile and Scottish clan tartans, or plaids (common terminology for tartans in the USA), famously display a checked feature, using differently colored yarns in woven-textile form. Often the sequence of colours and the numbers of yarns used is equal in both warp and weft directions. Where this is the case, the tartan may be considered to be 'balanced' or 'regular', with the component yarns creating square units repeating across and down the fabric. Thus in balanced tartans, lengthways components have identical ordering, colouring and measured width to those used widthways. Meanwhile an unbalanced check lacks one or more of these attributes. This paper explores further the nature of Scottish clan tartans, using data collected from collections of rare tartans held at ULITA - An Archive of International Textiles at the University of Leeds.

Construction of Open Resource Description Archive in PC Grid Computing Environments (PC 그리드 컴퓨팅 환경에서 오픈 자원 명세 아카이브 구축)

  • Yoon, Jun-Weon;Choi, Jang-Won;Park, Chan-Yeol;Lee, Pill-Woo
    • Proceedings of the Korean Information Science Society Conference
    • /
    • 2007.10b
    • /
    • pp.477-481
    • /
    • 2007
  • PC 그리드 컴퓨팅 환경은 수많은 사용자들이 인터넷을 통해 사용하고 있는 데스크톱 PC의 유휴 자원을 제공함으로써, 고성능 컴퓨팅 파워를 창출하고자 하는 분산 컴퓨팅 패러다임이다. 이렇게 창출된 고성능 자원을 이용하여 대용량 응용 계산을 수행함으로서 고가의 슈퍼컴퓨터에서 수행하던 응용을 대체할 수 있는 새로운 수단으로 연구되어지고 있다. 본 논문에서는 인터넷을 통해 PC의 유휴 자원을 제공하는 기판, 단체, 팀과 같은 자원제공자 그룹들이 제공할 수 있는 자원에 대한 명세를 오픈 아카이브에 저장함으로써 응용수행자가 쉽게 수행하고자 하는 응용에 맞는 자원을 선택할 수 있는 오픈 자원 명세 아카이브(ORDA:Open Resource Description Archive)를 제안한다. 이는 응용수행자로 하여금 응용수행자가 수행하고자 하는 응용에 맞는 자원을 능동적인 선택할 수 있는 PC 그리드 컴퓨팅 환경을 제공한다.

  • PDF

Construction of Open Resource Registration System in PC Grid Computing Environments (PC 그리드 컴퓨팅 환경에서 오픈 자원 등록 시스템 구축)

  • Yoon, Junweon;Choi, Jangwon;Lee, Pillwoo
    • Proceedings of the Korea Contents Association Conference
    • /
    • 2007.11a
    • /
    • pp.221-225
    • /
    • 2007
  • PC grid computing is a paradigm of distributed computing that are collection the idle resource of numerous PCs to perform large-scale. As this way, created high performance resources use a large-scale computational application, also this paradigm studied new measurement in place of application using super computer. This paper suggests ORRS(Open Resource Registration System) that selects a adequate resource what application client want. This system register descriptions of resource that provide group, such as organization, party, team, PCs idle resource in open archive. Also, this system provide PC grid computing environment which is select suitable resource actively what application client want.

  • PDF

Load Disturbance Compensation for Stand-alone Inverters Using an Inductor Current Observer

  • Choe, Jung-Muk;Moon, Seungryul;Byen, Byeng-Joo;Lai, Jih-Sheng;Lim, Young-Bae;Choe, Gyu-Ha
    • Journal of Power Electronics
    • /
    • v.17 no.2
    • /
    • pp.389-397
    • /
    • 2017
  • A control scheme for stand-alone inverters that utilizes an inductor current observer (ICO) is proposed. The proposed method measures disturbance load currents using a current sensor and it estimates the inductor current using the ICO. The filter parameter mismatch effect is analyzed to confirm the ICO's controllability. The ICO and controllers are designed in a continuous-time domain and transferred to a discrete-time domain with a digital delay. Experimental results demonstrate the effectiveness of the ICO using a 5-kVA single-phase stand-alone inverter prototype. The experimental results demonstrate that the observed current matches the actual current and that the proposed method can archive a less than 2.4% total harmonic distortion (THD) sinusoidal output waveform under nonlinear load conditions.

NUMERICAL STUDY ON TURBULENT FLOW OVER CYLINDER USING IMMERSED BOUNDARY LATTICE BOLTZMANN METHOD WITH MULTI RELAXATION TIME (다중완화시간 가상경계볼쯔만법을 이용한 실린더 주위의 난류유동해석)

  • Kim, Hyung-Min
    • Journal of computational fluids engineering
    • /
    • v.15 no.2
    • /
    • pp.21-27
    • /
    • 2010
  • Immersed boundary lattice Boltzmann method (IBLBM) has been applied to simulate a turbulent flow over circular cylinder in a flow field effectively. Although IBLBM is very effective method to simulate the flow over a complex shape of obstacle in the flow field regardless of the constructed grids in the calculation domain, the results, however, become numerically unstable in high reynolds number flow. The most effective suggestion to archive the numerical stability in high Reynolds number flow is applying the multiple relaxation time (MRT) model instead of single relaxation time(SRT) model in the collision term of lattice Boltzmann equation. In the research MRT model for IBLBM was introduced and comparing the numerical results obtained by applying SRT and MRT. The hydraulic characteristic of cylinder in a flow field between two parallel plate at the range of $Re{\leqq}2000$represented and it is also compared the drag and lifting coefficients of the cylinder calculated by IBLBM with SRT and MRT model.

Massive Electronic Record Management System using iRODS (iRODS를 이용한 대용량 전자기록물 관리 시스템)

  • Han, Yong-Koo;Kim, Jin-Seung;Lee, Seung-Hyun;Lee, Young-Koo
    • Journal of KIISE:Computing Practices and Letters
    • /
    • v.16 no.8
    • /
    • pp.825-836
    • /
    • 2010
  • The advancement of electronic records brought great changes of the records management system. One of the biggest changes is the transition from passive to automatic management system, which manages massive records more efficiently. The integrated Rule-Oriented Data System (iRODS) is a rule-oriented grid system S/W which provides an infrastructure for building massive archive through virtualization. It also allows to define rules for data distribution and back-up. Therefore, iRODS is an ideal tool to build an electronic record management system that manages electronic records automatically. In this paper we describe the issues related to design and implementation of the electronic record management system using iRODS. We also propose a system that serves automatic processing of distribution and back-up of records according to their types by defining iRODS rules. It also provides functions to store and retrieve metadata using iRODS Catalog (iCAT) Database.

Letters by Medical Missionaries to Korea: Exploring Digital Humanities Approaches (북미지역에 소장된 내한 의료선교사 편지 기록의 현황과 디지털 인문학적 활용 가능성)

  • Hur, Kyungjin;Kim Han, Mikyung;Lee, Hye Eun
    • Journal of the Korean BIBLIA Society for library and Information Science
    • /
    • v.29 no.1
    • /
    • pp.233-252
    • /
    • 2018
  • The first Protestant medical missionary, Horace Allen, came to Korea in 1884 and built the first western-style hospital, Jaejungwon. John Heron, Oliver Avison and other foreign medical doctors soon followed. They established hospitals and medical schools, and, by treating patients and educating native doctors, they disseminated and developed modern medicine in Korea. At the same time, they wrote letters and reports to their sponsoring agencies, as well as family and friends, thereby leaving a vast body of literature that is scattered all over the world. Since the end of the 19th century, the records left by foreign medical missionaries have been valuable resources for the study of Korean history. While all types of records, such as diaries, memoirs, reports and travel logs, are available, these tend to be exaggerated or unverifiable because they are unilateral records. In contrast, letters can be verified because they are bilateral records between the recipient and the sender, and cannot be modified or altered according to changes in circumstances. Despite the academic value of these materials, however, there have been insufficient efforts to discover or identify these primary data sources, or to systematically organize them for scholars. This paper identified 49 archival collections from 29 institutions in North America. After analyzing their academic value, the paper will explore digital humanities options in utilizing the letters for future scholarship.