• 대한한의학회지
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• 제27권2호
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• pp.134-144
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• 2006

Tongue diagnosis is an important diagnostic method in traditional Oriental medicine. It has been especially accepted that quantitative analysis of tongue images allows the accurate diagnosis of the exterior-interior and cold-heat patterns of a patient. However, to ensure stable and reliable results, the color reproduction of such images must first be error-tree. Moreover, tongue diagnosis is much influenced by the surrounding illumination and subjective color recognition, so it has to be performed objectively and quantitatively using a digital diagnostic machine. In this study, 457 tongue images of outpatients were collected using the Digital Tongue Inspection System. Through statistical analysis, the result shows that the heat and cold patterns can be distinguished clearly based on the hue value of the tongue images. The average hue value (1.00) of the tongue's image in the cold pattern is higher than that in the heat pattern (0.99).

• 한국구조물진단유지관리공학회 논문집
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• 제3권2호
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• pp.185-190
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• 1999

It is difficult to estimate for deterioration of exterior wall by infrared thermography, because of amount of infrared-ray radiation effected by environmental factors such as temperature properties of materials, the outside air and the amount of solar radiation. Therefore we measured the distribution of temperature by times in the same reinforced-concrete structure in order to reduce problems, occasioned by environmental factors, then we analyzed physical influence factors of the infrared thermography. It is the aim of this study to suggest basic data with regard to method of estimation-system for deterioration of exterior wall in reinforced-concrete structures.

• 전기학회논문지
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• 제56권12호
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• pp.2084-2090
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• 2007

The DGA (Dissolved Gases Analysis) technique has been widely using for fault diagnosis of the power transformers. Some electric power utility company establishes the criteria of DGA to improve reliability, because of difference of operation environment and design of power transformer. In this paper, we introduce intelligent diagnosis system for DGA result of KEPCO (Korea Electric Power Cooperation). This system can classify patterns type of gases ratio that frequently occurs in recent result of gases analysis using Fuzzy Inference. The classification of Patterns let us know that major causes of gases generation based on type of patterns. Finally, Neural Network based on patterns diagnose transformer. NN was trained using result data of DGA of actually faulted transformers recently. Result of intelligent diagnosis system is right well in comparison with actual inner inspection of transformers.

• 한국농공학회논문집
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• 제58권4호
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• pp.1-8
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• 2016

In 2008, 17, 596 dams and reservoirs are scattered across South Korea, and 17, 505 of them (99.5 %) are used for agriculture and 99.3 % are fill dam types. This study aimed to review literature related to the precise safety diagnosis system for agricultural reservoirs established by Korea Rural Community Corporation (KRCC) and analyze problems of its evaluation method. And then, it proposed ways to improve the system including a modified diagnosis system, which was applied to pilot districts in order to verify the utility. For assessment model development of agricultural reservoir, we reviewed status of precision safety inspections systems of agricultural reservoir. There are many problems such as assess agricultural reservoir not by sheet which used in fill dam but by block which used in concrete dam construction and diversion tunnel which main element in reservoir levee is treated as water intake facility. For considering diversion tunnel in reservoir levee, previous precision safety inspection systems which summed in separated phenomenon, separated element, separated site, separated facility was change to new systems which summed in site, phenomenon, element, and facility. Compared results of previous inspection system calculated total assessment index (Ec) with new system calculated total assessment index (Ec) are not show statistical difference.

• 대한의용생체공학회:의공학회지
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• 제30권1호
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• pp.41-48
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• 2009

In this paper, we present the diagnosis system for swallowing disorder. There are some types of diagnosis device for swallowing disorder, for example, the video fluoroscopy, the nuclear medicine inspection, the endoscopy, EMG and motion analysis. But these systems need heavy devices or have dangerous nuclear exposure, so are uncomfortable for handicapped person. Our system has advantages of simplicity, accuracy and quantitative analysis. In addition to the diagnosis aspect, this system can be used to biofeedback treatment.

• Corrosion Science and Technology
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• 제11권5호
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• pp.179-183
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• 2012

As one of promising solutions to overcome high oil price and energy crisis, the construction market of high value-added LNG plants is spotlighted world widely. The purpose of this study is to introduce LNG-RBI system to develop risk assessment technology with RAM(Reliability, Availability, Maintainability) modules against overseas monopolization. After analyzing relevant specific features and their technical levels, risk assessment program, non-destructive reliability evaluation strategy and safety criteria unification class are derived as core technologies. These IT-based convergence technologies can be used for enhancement of LNG plant efficiency, in which the modular parts are related to a system with artificial optimized algorithms as well as diverse databases of facility inspection and diagnosis fields.

• 한국구조물진단유지관리공학회 논문집
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• 제4권2호
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• pp.185-191
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• 2000

The safety problem of aged tunnels has been emphasized. For the effective maintenance, site inspection of tunnel structures and surrounding grounds are required periodically. Also, the determination of safety of tunnels is not a simple problem. So the role experienced engineer in the maintenance is very important and development of an expert system that can perform as the engineers, has been needed. In this study, from the results of numerical analysis in several case, new precision inspection rules which can substitute actual numerical analysis are determined by a commercial program FLAC and regression analysis under various parameters such as material property, lining thickness, overburden and laterial coefficients. They are added to the knowledge base to determine safety of tunnel lining. To verify the expert system, the results are compared with an existing tunnel diagnosis report. It can be concluded that the new rule are well represented the actual numerical analysis under various site conditions. Therefore it is expected that the systematic management for effective maintenance of tunnel structure will be possible.

• 항공우주기술
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• 제11권2호
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• pp.182-194
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• 2012

한정된 기간과 비용 하에 높은 신뢰도와 안전성을 갖는 엔진을 완성하기 위해서는 엔진 개발과 병행하여 엔진에 최적화된 진단시스템의 개발이 필요하다. 본 연구에서는 진단시스템의 개발방향을 정립하기 위하여 해외문헌을 바탕으로 엔진에서 발생 가능한 고장들, 상태진단을 위한 검사파라미터의 특성, 진단방법들(실시간 진단법, 사후 진단법, 사고원인 분석법, 파라미터 계통법, 시험진단법)을 고찰하였고, 엔진 개발단계 및 운용단계에서 수행해야할 진단관련 과제들을 제시하였으며, 해외의 액체로켓엔진 진단 사례를 정리하였다.

• 한국화재소방학회논문지
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• 제23권5호
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• pp.181-195
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• 2009

현대 헌법은 국민의 기본권을 보장함으로써 그 정당성을 인정받고 있다. 헌법상 기본권은 국가권력으로부터 방어권의 차원을 넘어서 현대적 의미로 국가가 기본권을 실현할 수 있는 환경을 조성하고 다른 개인에 의하여서도 기본권이 침해되지 않도록 보호할 의무가 도출되고 있다. "헌법" 제34조제6항은 "국가는 재해를 예방하고 그 위험으로부터 국민을 보호하기 위하여 노력하여야 한다"라고 규정함으로써 다시 국가의 재해로부터 국민을 보호할 의무를 규정하고 있다. 화재로 인하여 발생하는 국민의 생명권 건강권 재산권에 대한 피해를 예방하는 국가의 의무는 현대국가의 기본이념인 사회국가원리에 국민의 인간답게 살 권리로 강화되어 더욱 중요한 국가의 존립정당성으로 대두하고 있다. 법률에서 도입하고 있는 소방검사제도는 헌법적으로 정당성은 인정되고 있으나 국민의 권리보호에 보다 최적의 제도인가에 관하여 검토할 필요성이 있다. 소방검사의 운영현실을 고려할 때에 보다 효율적으로 운영될 수 있는 방안을 이 논문은 검토하였다. 현행 소방검사제도를 소방자체점검제도와 통합적으로 운영함으로써 소방검사의 운영상 발생하는 문제점을 개선할 필요성이 있다. 현재 소방당국에서 직접 수행함으로써 발생하는 소방검사제도의 문제점을 극복하기 위한 방법은 신뢰성 있는 기관을 설립하여 위탁하는 방안을 검토할 필요가 있다.

• 한국지반공학회:학술대회논문집
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• 한국지반공학회 2006년도 춘계 학술발표회 논문집
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• pp.732-737
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• 2006

The facility diagnosis technique of past subjective judged the technical expert and interpreted stably mainly. The facility the periodical civil official becomes indispensability consequently with the law and the system and objectivity inspection which relates with a this and development of diagnosis technique were necessary. Currently the evaluation elements which relate with an inspection and diagnosis technique depended to the subjectivity of each facility quality, data statistics, diagnosis know-how, various circumstance and the technical expert and the evaluation item came to decide. But the evaluation score distribution of marks of each item depended plentifully in data analysis result and experience. The past method is weak in logically because the objection theoretical background and basis are insufficiency. Consequently in order to apply a data analysis result and an experience logically, it used AHP(Analytic Hierarchy Process) method from this research. It is visible with the fact that the application result reconfirmation and complement process will be necessary the technique which is suitable in the multi facility management. Also it is expected with the fact that the application characteristic from the next relation technique will be excellent.