Failure Diagnosis Method of Photovoltaic Generator Using Support Vector Machine

Kyeong‑Hee Cho,Hyung‑Chul Jo,Eung‑sang Kim,Hyang‑A. Park,박준호 대한전기학회 2020 Journal of Electrical Engineering & Technology Vol.15 No.4

The capacity of photovoltaic (PV) generators can increase owing to the 4030 policy of the Government of South Korea.. In addition, there has been signifcant interest in developing a technology for the maintenance of PV generators owing to an increase in the number of outdated PV generators. This paper describes a failure diagnosis method that uses operational data for power generation and solar radiation of PV generators. The measured data stored since four years in an operational 50-kW PV generator that was installed in 2014, were analyzed. The proposed failure diagnosis logic uses support vector machine classifcation as a failure diagnosis method that can classify normal and failure data. The failure data were processed to be used as the fault diagnosis logic for solar power generators. A new 50-kW PV generator, which contained no fault data, was used for a case study in this paper. Fault data were generated and the operation data of the PV generators were diagnosed by applying the proposed method. In addition, the accuracy was calculated and the results were analyzed.

미국 증명표장제도와 일본의 관련제도 (상표제도, 인증제도)에 대한 고찰

조경희 ( Kyeong Hee¸ Cho ) 한국지식재산연구원 2009 지식재산연구 Vol.4 No.2

일본은 증명표장제도를 도입하고 있지 않으나 중국, 한국을 포함한 주변국가에서는 증명표장제도를 도입하고 있거나 도입안을 마련하고 있는 상태이다. 사실 일본에서도 지리적표시 보호제도로서 증명표장제도가 소개된 적이 있다. 그러나 거의 논의되지 않은 채 지리적 표시의 보호수단으로서는 기존 단체상표제도를 확장하는 형태로서 지역 단체상표제도를 실시하고 있다. 그리고 일본에서 상품의 증명제도라고 하면 일반적으로 일본공업규격(JIS)제도와 그 마크로서 JIS마크가 널리 알려져 있다. 따라서 임의적 국가제도인 JIS제도와 JIS마크가 증명표장제도와 어떠한 관련성을 갖는지를 분석하는 것은 증명표장에 대한 고찰을 위한 전제작업이라 할 수 있다. 본고의 연구대상은 미국의 증명표장제도와 관련된 일본제도만이다. 우리제도와 비교연구는 향후 연구대상으로 설정하고자 하고자 한다. 그 까닭은 일본의 제도는 주지된 바와 같이 우리제도와 유사한 제도운영을 하는 경우도 있지만 양국은 다른 경제 문화적 배경하에 제도운영 및 법적해석을 수행하고 있기 때문이다. 연구방법으로는 먼저 미국 증명표장제도의 의의 및 특징 그리고 등록효과 및 취소 등을 분석한다. 그리고 관련된 일본제도로서 상표제도와 JIS제도에 대해 기술하고자 한다. 마지막으로 미국과 일본 제도를 비교 분석함으로써 증명표장제도의 특성을 재고찰하고자 몇가지 검토과제를 설정한다. 첫번째는 증명표장제도의 도입 필요성에 대한 분석이다. WTO/TBT이후의 인증시장의 확대는 전세계적인 것으로, 일본에서도 이를 반영하여 신JIS제도가 시행되고 있다. 이 제도의 활용방법으로 증명표장제도의 도입을 고려할 수 있을까에 대해서 검토한다. 두번째는 단체표장과 증명표장과의 관계이다. 양자는 모두 단체와 관련되어 있기 때문에 실무상 상호구분이 어려운 경우가 있다. 이와 관련된 일본의 실무를 설명하고자 한다. 세번째는 지역단체상표제도와 지리적 증명표장제도의 양립 가능성이다. 지리적표시 보호를 둘러싼 일본의 실정과 문제점을 바탕으로 검토하고자 한다. 네번째는 증명표장제도의 본질적인 요소인 라이센스계약에 대한 판례를 비교법적으로 접근함으로써 증명표장의 실체를 라이센스계약의 면에서 이해하고자 한다. Japan do not have the Certification marks(CM) system, but gradually countries are adopting the system. In fact, the CM system was first talked in 2005 at government system studying group, but the system was just the third type of CM for protecting geographical indications. Japan did not adopt the CM system, instead it adopted the regional collective mark system to make the general collective mark more extensive. And, if we want to study CM in Japan, it is crucial to compare JIS(Japanese Industrial Standard) with CM, because JIS mark is well-known national voluntary certificate mark. And thus this paper first comments on the definition and the characteristics of American CM. And then it chooses the Japanese Trademark Act and Certificate system as the relating systems. Lastly, it analyzed some assignments. The first is about the examining standard of the descriptive nature against CM registration. Specifically, it focuses on the cases relating to the descriptive words like “approved by”, “inspected”, “conformed to”, “certified”. The second is concerned with the relationship between collective mark and CM. The both are practically indiscernible because of connecting with the group. However, the US accepts the CM as one type of trademark for the utility of certifying certain characteristics and the control level different with the collective marks. The third point is the compatibility of the regional-based collective mark and CM. Both countries protect the geographical indications with the Trademark Act, but the rules are difficult to apply. The final point made is a comparative analysis on the no-challenge duty in CM licensing contract. The applicable settlement systems of both are different.

빙심 小說과 페미니즘

趙璟嬉 中國語文硏究會 1999 中國語文論叢 Vol.16 No.-

1920년대 盧隱 小說과 페미니즘

趙璟姬 中國語文硏究會 1998 中國語文論叢 Vol.14 No.-

네가지 상아질 접착제의 전단 결합 강도 비교

조경미,허복,이희주 大韓齒科保存學會 1996 Restorative Dentistry & Endodontics Vol.21 No.1

경정맥 신우조영술중 파열된 자궁의 악성혼합뮬러리안 종양 1예

조희정,김태희,김정식,이해혁,남계현,김희경 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2

The Malignant Mixed Mullerian Tumor(MMMT) of uterus, a biphasic malignant tumor composed of both epithelial and stromal component, is rare but very aggressive and generally lethal. Most of these tumors arise spontaneously in the sixth to eighth decade of life, but certain proportions are known to be occurred in women, who had received pelvic irradiation. But, the precise role of irradiation in the genesis of uterine neoplasia remains uncertain. We experienced a case of MMMT of uterus which ruptured during intravenous pyelogram and she had received pelvic irradiation 40years ago.

임신 중 발견된 대망 종괴 1례

조인숙,김태의,김정식,이해혁,이권해,김희경,남계현 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2

A case of omental mass during Pregnancy Omental cyst is a rare lesion and occur primarily during childhood and young adulthood. When encountered, most of them are benign and intraabdominal masses. It shows a large mass but not palpable and often asymptomatic. The precise diagnosis is made by most commonly at surgery or during pathologic examination. So, we report this case with brief review of literatures.

초등학교 급식의 영양관리 현황 및 개선 방안 연구

임경숙,이태영,김초일,최경숙,이정희,권순주,김미옥 대한영양사협회 2004 대한영양사협회 학술지 Vol.10 No.2

The Korea School Lunch Program mandates that school meals should safeguard the health and well-being of our children. School meals provide a nutritious diet that contains at least 1/3 of the daily Recommended Dietary Allowances of necessary nutrients at reasonable prices. This study was performed to assess the nutritional management of primary school meals, and to provide basic data for improvement of school meal nutritional guidelines. Three hundred and thirty six dietitians who worked at primary school! were recruited using a stratified sampling method. A survey was done by e-mail with a set of questionnaires about nutritional meal management. During school lunch planning, dietitians referred nutrition standards with priority, followed by students' food preferences and food hygiene. They considered energy as a most important nutrient during primary school lunch planning, followed by protein and calcium. Protein is usually over-served, whereas iron, vitamin A and calcium are usually under-served during primary school meal planning. For first and second grade primary students, grains, meat and vegetable side dishes seemed to be large compared to their eating capacity. Over 92% of school dietitians agreed the needs of food group standards for primary school lunch program. For making a checklist of the school lunch program, energy, protein and calcium were highly recommended, and meat·fish·egg group, vegetable·fruit group and dairy group were also highly recommended by school dietitians. Cooking method was also highly recommended. School dietitians proposed that remodeling of school kitchens and new cooking machine were the most important factors for improving school lunch system. These results suggest that food standards should be established for health-oriented nutritional management of primary school lunch programs. Nutritional checklists could include nutrient-rich foods and food groups, and items about cooking methods.

노인의 음주와 삶의 만족도에 관한 연구

서희숙,송경애,조명숙 노인간호학회 2004 노인간호학회지 Vol.6 No.1

Purpose : To identify alcohol consumption and life satisfaction and related factors and to provide basic data for the development of interventions for older adults. Method : The participants were 260 older adults who responded to a structured questionnaire including the NAST and LSI-Z scales. Data were analyzed by SPSS program using freouencies, t-test, ANOVA with Tukey's test. Result : The findings of this study indicate that Korean older adults have severe alcohol problems as 36.2% of them were present drinkers, and 7.3% had an alcohol use disorder. There were significant differences for present drinkers according to gender, age, educational level, religion and type of residences. Life satisfaction for present drinkers was higher than that of non-drinker, but life satisfaction scores for older adults with an alcohol use disorder were lower than that of normal drinkers. Conclusion : There is a need to develop adequate interventions for the elderly population to prevent drinking problems and to enhance quality of life for this population.

한국 유치원에서의 통일교육: 유치원 교육과정 및 교재 분석

서규선,조경희 서원대학교 교육연구소 1995 敎育發展 Vol.1995 No.14

The first purpose of the study is to analysis the curriculum of our kindergarten Unification Education from the 1945 Liberation of Korea to now. The second purpose of the study is to analysis the texts used for unification Education in our Kindergartens. The results of this study are as follows. 1.The curriculum of Kindergarten Unification Education was developed later then that of primary or secondary school. Kindergarten curriculum of Unification Education has been dealt with only secondary by the authorities and others. 2.There were no texts in this area till 1970. It was 1984 that the first teaching materials of Unification Education for chilern was published. 3.Most of texts used for Unification Education in Kindergartens are not suitable to childern' intellectual and affective developing level. But things have changed greatly in recent years. 4.Man-cented illustrations of theaching materials used for Unification Education in Kindergartens are overwhelmingly lager in number then female-centered illustrations. This show that our society is man-centered one. 5.Cramming method is used mostly to teach the text of our Unification Education in Kindergarten