• Proceedings of the Korean Information Science Society Conference
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• 1999.10a
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• pp.156-158
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• 1999

본 연구에서는 광양제철소의 Coke 공장에서 이동중인 압출기로부터 프로세스 데이터를 원격 수집하기 위한 무선 LAN 시스템을 구축하였으며, 압출 저항 데이터를 저장 관리할 수 있는 DB를 구축하여 얻어진 데이터를 비교 분석하여 Coke Oven의 노체의 손실여부를 예측하여 유지 보수하거나 손실을 최소화하기 위한 조업 조건 도출에 활용하기 위한 시스템을 개발하였다. 본 시스템은 이동중인 압출기에 설치된 압출 저항 측정 시스템과 2.4 GHz의 대역폭을 갖는 무선 LAN을 이용한 데이터 송수신 시스템과 수신한 데이터를 감시, 저장, 비교 분석하기 위한 MMI 및 DB Server 시스템으로 구성되어 있다.

• Journal of the Korean earth science society
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• v.31 no.1
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• pp.51-62
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• 2010

The purpose of this study was to investigate how a science magazine played a role in filling the gap between scientists and the general public, and how it contributed to science popularization. We analyzed the linguistic features of the texts used in a science magazine. We used 12 articles (six written by journalists, and six written by scientists) from the Science Donga. Register analysis was conducted in order to define the linguistic features of the texts in terms of ideational meaning, interpersonal meaning and, textual meaning. Results of this study are as follows: (1) the articles written by journalists used a higher mental and verbal processes in which the conversations and thoughts of scientists were expressed. (2) Human agents were relatively explicit in the journalists' articles. However, they were implicit or omitted in the articles of scientists. (3) Interrogative sentences and inclusive imperative sentences, and even omissions were frequently found in the journalists' articles whereas scientists' articles mainly used declarative statements. (4) The clause density of journalist' articles and scientists' were similarly lower than that of science textbooks. (5) The information structure revealed by the patterns of Theme and Rheme that the journalists' articles used in science magazines was simpler than that of science textbooks, while the structure of scientists' articles was more complex than that of journalists'. Based on the linguistic features of the texts used in science magazines, we found that a science magazine contributes to science popularization in two faces: One is in that the articles of journalists present science contents in a way that the readers can follow with ease and feel well-acquainted. The other is that the modified articles of scientists help the general public get familiar with the culuture of science in terms of use of science language.

• Journal of Korea Technical Association of The Pulp and Paper Industry
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• v.43 no.3
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• pp.66-72
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• 2011

The annals of Joseon Dynasty is one of UNESCO's Memory of the World Register. For the safety preservation of the waxed annals of Joseon Dynasty, the acidic and alkaline aging mechanism of beeswax and beeswaxed Hanji has been investigated. The weight loss of beeswaxed Hanji by the acidic aging was higher than those of alkaline beeswax. The acid value and relative intensity of carbonyl groups in beeswax were slowly increased with aging time. The strength of dewaxed Hanji was decreased with aging time. The significant changes of crystallinity of dewaxed Hanji by acidic and alkaline aging were not observed.

• ETRI Journal
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• v.42 no.4
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• pp.527-533
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• 2020

High-level synthesis (HLS), which automatically synthesizes a register-transfer level (RTL) circuit from a behavioral description written in a high-level programming language such as C/C++, is becoming a more popular technique for improving design productivity. In general, HLS tools often generate a circuit with a larger area than those of hand-designed ones. One reason for this issue is that HLS tools often generate multiple instances of the same module from a function. To eliminate such a redundancy in circuit area in HLS, HLS tools are capable of sharing modules. Function-level module sharing at a behavioral description written in a high-level programming language may promote function reuse to increase effectiveness and reduce circuit area. In this paper, we present two HLS techniques for module sharing at the function level.

• Journal of the Korean Society for Library and Information Science
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• v.50 no.4
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• pp.333-350
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• 2016

Article 50 and article 18 related to orphan works in the Copyright Act of Korea and Enforcement Decree of the Copyright Act of Korea define 'considerable efforts' to locate copyright owners. This study analyzed the reasonableness of the efforts for mass digitization in libraries. The findings of the study were the duplication of searches on the 'Finding Copyright' website and the inquire to copyright trust management organizations by document, ambiguity of search criteria through information networks, and problems due to non-use of international standard identifiers in managing works on copyright register, works with undistributed compensation, and copyright trust management organizations. This study suggests that copyright trust management organizations should register trust works, the government should develop a guideline for detail guidance for searching information networks, and copyright works should be managed using international standard identifiers.

• The Journal of the Korea institute of electronic communication sciences
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• v.13 no.2
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• pp.333-340
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• 2018

This paper introduces a BCH code decoder using parallel CRC(: Cyclic Redundancy Check) generation. Using a conventional parallel syndrome generator with a LFSR(: Linear Feedback Shift Register), it takes up a lot of space for a short code. The proposed decoder uses the parallel CRC method that is widely used to compute the checksum. This scheme optimizes the a syndrome generator in the decoder by eliminating redundant xor operation compared with the parallel LFSR and thus minimizes chip area and propagation delay. In simulation results, the proposed decoder has accomplished propagation delay reduction of 2.01 ns as compared to the conventional scheme. The proposed decoder has been designed and synthesized in $0.35-{\mu}m$ CMOS process.

• Journal of information and communication convergence engineering
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• v.5 no.3
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• pp.254-258
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• 2007

Recently, ubiquitous computing in being actively researched and one of the main technology in ubiquitous computing environments is recognized as RFID system. The RFID system has much benefits but simultaneously has some problems such as user's privacy violation. In this paper, in order to improve the survivability of its nodes, it should build available simulation surrounding sensor nodes. Also, In the proposed cryptosystems we use a new hash function for user authentication and a stream cipher based on LFSR(Linear Feedback Shift Register) for message encryption and decryption. Moreover, each algorithm is programmed with C language and simulated on IBM-PC system and we analyze the randomness properties of the proposed algorithms by using statistical tests.

• Proceedings of the KIEE Conference
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• 1998.11b
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• pp.600-602
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• 1998

In this paper, we implement BIST to efficiently test circuits with pipeline architecture and JTAG to control implemented BIST and support board level test. Since implemented BIST is designed to be initialized using new seed, hard-to-detect faults are easily detected. Besides, to optimize area overhead, it uses JTAG instead of BIST controller and modified pipeline register instead of added test pattern generator and signature generator. And, to optimize pin overhead, it uses pins of JTAG. Function and efficiency of implemented BIST is verified by simulation.

• JSTS:Journal of Semiconductor Technology and Science
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• v.10 no.1
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• pp.11-19
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• 2010

Register transfer level power macromodeling is well known as a promising technique for accurate and efficient power estimation. This paper proposes effective approaches based on the tablebased method for the RTL power macro-modeling. The new parameter SD, which characterizes the distribution of switching activities for each gate in the circuit, is one of the contributions. The new parameter SD has strong correlation with power consumption. We also propose an accurate table reference method considering the circuit characteristics. The table reference method is applicable for every table-based method and outputs more accurate power value. The experimental results show that the combination of the proposed methods reduces max error 30.36% in the best case, comparing conventional methods. The RMS error is also improved 1.70% in the best case.

• Proceedings of the Korean Information Science Society Conference
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• 2005.11b
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• pp.775-777
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• 2005

유비쿼터스 컴퓨팅 시대의 도래와 함께 홈네트워크상의 장비들의 연결과 제어를 통해 다양한 서비스를 제공하는 기술이 차세대 정보기술 산업을 주도할 태풍의 핵으로 부상하고 있다. 본 논문에서는 OSGi 표준을 기반으로 한 지능형 에이전트를 구성하여, 가정 내의 가전기기, 통신기기를 제어하고 상황에 적합한 서비스를 추론하여 제공해주는 기술을 제안한다. 헬스케어(health-care) 서비스, 베이비케어(baby-care) 서비스, 사용자 편리를 위한 개인화 서비스, 방법(security) 서비스등이 상황 추론을 통해 제공되는 서비스의 대상이 된다. OSGi 플랫폼상에서 지능형 에이전트는 각 서비스에 의존적으로 구현되며, OSGi 번들 형태로 존재하여 프레임워크나 다른 에이전트의 변화없이 쉽고 간편하게 OSGi상에 등록(register)하고 취소(unregister)하는 것이 가능하다. 이러한 에이전트에 규칙기반의 상황 추론이 가능한 엔진을 장착하여, 유비쿼터스 컴퓨팅 환경의 서비스 컴포넌트들의 역할을 돕는 지능형 시스템을 연구하였다.