• 한국디지털정책학회:학술대회논문집
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• 한국디지털정책학회 2004년도 춘계학술대회
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• pp.355-367
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• 2004

Interest about information infrastructure construction is decayed socially according to arrival of information age, and various information systems is constructed for efficient business processing, customer service improvement in public sector. According to subjective method of performance improvement for information system of public sector and engine that propel information system construction bemuse it is no definite hardware sizing guidelines for introduction or system caterer, is calculating resources scale of information system. Is situation that problem of excess of scale or reduction sizing is happening, and is causing various kinds problem that is waste of information budget and service decline thereby. So, We proposed hardware sizing framework for information system that is applied to information programs.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2002년도 ITC-CSCC -2
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• pp.936-939
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• 2002

FPCA is the necessary device to design of hardware at present, it is researched on many ways of applying to design caused by expansion of capacity in recent years. One of these applying ways is SoC (System on a Chip) that is proposed for realizing the basic function of a system. For realizing SoC efficiently, IP (Intellectual property) is very important and developed for re-use of hardware. A MPU for built-in exists as an IP. But almost of MPUs at present as an IPs are lengthy and large-scale for using embedded-application. Furthermore, the function of executing specific treatment critically is required to embedded MPU. We propose a flexible and small scale MPU and its design method.

• 한국콘텐츠학회논문지
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• 제8권11호
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• pp.49-56
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• 2008

PC나 콘솔 기반의 게임들은 탁월한 하드웨어 지원에 힘입어 화려한 3D 효과와 이펙트 등을 보여주고 있지만, 다양한 컨버전스 또는 모바일 기기들은 상대적으로 가벼운 하드웨어 사양과 배터리 시간의 한계 때문에 계산양이 적은 가벼운 게임들을 선호하고 있다. 이러한 하드웨어 상의 게임 제작에 있어 최소한의 그래픽 품질을 유지하는 것은 매우 중요하다. 본 논문에서는 인덱스 컬러(Indexed Color) 팔레트를 하드 웨어 사양을 극복하여 발전시킬 수 있는 방법으로 제안 한다.

• Journal of the Optical Society of Korea
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• 제20권3호
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• pp.335-342
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• 2016

We demonstrate an optical asynchronous transfer mode/wavelength division multiplexing (OATM/WDM) optical access network, using a router based on an optical header decoder to conduct next-generation communications. The router consists of a decoder or hardware analysis processing of the header bit and switches. The router in the OATM/WDM optical access network is a key technology by which to satisfy subscribers’ requests, including reliability, cost efficiency, high speed, large-capacity transmission, and elevated information security. In this study, we carry out experiments in which a header decoder delivers to 16 and 32 subscribers with a single wavelength in the router. These experiments confirm the decoder’s successful operation via hardware using 4 and 5 header bits. We propose that this system may significantly contribute toward the realization of an optical access network that provides high-quality service to subscribers of next-generation communications.

• International Journal of Fuzzy Logic and Intelligent Systems
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• 제4권3호
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• pp.292-299
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• 2004

For Web System composed of a variety of hardware, software and network system, there is a wide difference in price, function and capacity. In addition, it is important to select the most suitable system when web system is constructed as the claim of high-quality web service from user has increased. Data of bench-marking is usually employed when the system is selected. Evaluation with the result of bench-marking, however, is not easy at web situation composed of a variety of systems. In this paper, first integrated bench-marking of hardware, software and network system metric were determined, and the plan to effectively compare and evaluate the result of bench-marking by using fuzzy set were offered.

• 융합신호처리학회 학술대회논문집
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• 한국신호처리시스템학회 2000년도 추계종합학술대회논문집
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• pp.169-172
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• 2000

직접 volume rendering 방식에서 좋은 해상도의 이미지를 얻기 위해서 계산되는 많은 trilinear interpolation은 고성능 그래픽 워크스테이션이나 특별한 목적의 하드웨어 사양을 요구하며 제한적으로 구현이 되고 있다. 따라서 본 논문에서는 PC 그래픽 하드웨어 상에서 2D-Texture를 이용하여 volume rendering을 MRI head set 영상을 적용하여 구현해 보았다. 또한 최근에 지원되는 PC 그래픽 보드의 multi-texturing성능을 이용하여 volume rendering 할 수 있는 방법을 보여준다. 이러한 OuenGL 확장 기능을 이용하여 픽셀 연산과 rendering 성능을 PC 기반에서 항상 시켜 보았다.

• 한국콘텐츠학회:학술대회논문집
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• 한국콘텐츠학회 2008년도 춘계 종합학술대회 논문집
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• pp.131-134
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• 2008

PC나 콘솔 기반의 게임들은 탁월한 하드웨어 지원에 힘입어 화려한 3D 효과와 이펙트 등을 보여주고 있지만, 다양한 핸드헬드 기기들과 컨버전스 기기 그리고 모바일 기기들은 상대적으로 가벼운 하드웨어 사양, 배터리 시간의 한계 때문에 계산양이 적은 가벼운 게임들을 선호하고 있다. 이러한 하드웨어 상의 게임 제작에 있어 최소한의 그래픽 퀄리티를 유지하는 것은 매우 중요하다. 본 논문에서는 인덱스 컬러(Indexed Color) 팔레트를 용량의 변화 없이 하드웨어 사양을 극복하여 발전시킬 수 있는 방법을 제안 한다.

• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 1997년도 한국자동제어학술회의논문집; 한국전력공사 서울연수원; 17-18 Oct. 1997
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• pp.1271-1274
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• 1997

The industrial automation market encompasses all aspects of the discrete process in the manufactring industries. Nowadays many manufacturers are increasingly moving to increase plant capacity, and are trying to produce better quality at the lower costs. We have studied a modern projection-automation system to achieve the communication network which makes connection among all of the projection machines and connect them to a central computer. This communication system have to be very flexible and fast. Also we have studied the communication interface for the automatic production system including the hardware elements and the communication software.

• Journal of electromagnetic engineering and science
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• 제5권1호
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• pp.1-7
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• 2005

The implementation of a simple analog in-phase combiner is presented for a high capacity radio relay system with space diversity. It provides good performance in terms of simple hardware and easy control, and measured results are in good agreement with simulated ones. To suggest practical applications, signatures with/without diversity are measured for STM-1 signal of 64-QAM radio relay system combined with a 13-tap equalizer, and they provided more than 25 dB fade depth at 10$^{-3}$ BER under the frequency selective fading condition.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2002년도 추계학술대회논문집
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• pp.388-392
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• 2002

Fault tolerant control algorithm for heteropolar magnetic bearings are presented. This fault tolerant control utilizes grouping of currents as C-cores in order to isolate magnetic fluxes. Hardware requirements to maintain fault tolerant control are reduced since decoupling chokes are not required in this control scheme. The currents supplied to each pole are redistributed, if some coils fail suddenly, such that the resultant magnetic forces should remain invariant through coil failure events. Load capacity before magnetic saturation is reduced through coil failures while maintaining the same magnetic forces before and after failure.