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검색결과 104건 처리시간 0.028초

소형 굴삭기의 원격제어를 위한 주행 알고리즘 및 통신특성에 관한 연구 (A Study on Driving Algorithm and Communication Characteristics for Remote Control of Mini Excavator)

  • 정진범;김경수
    • 드라이브 ㆍ 컨트롤
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    • 제15권4호
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    • pp.81-90
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    • 2018
  • Indoor construction site such as building demolition sites, tunnel, vinyl house, and cattle shed are subject to various risk factors such as falling stones, soot and bad odors. However, most of the mini excavators have no cabin that can protect the driver from such risk factors. Therefore, researches on remote control technology of construction equipment are actively conducted as a method for protecting the driver from the risk factors occurring in the working environment. For effective remote control, it is necessary to be able to control the travelling and work using a portable small transmitter. However, due to the limitation of the size of the transmitter, complex operation control is required to control two or more actuators with a single joystick. Also, it is essential to check how remote control characteristics change in various environments such as distance, signal strength, obstacle. Therefore, in this study, an algorithm that can control two actuators simultaneously with a single joystick signal was developed, and a communication method suitable for indoor and outdoor mini construction equipment by analyzing experimentally how the remote control characteristics vary according to various work environments and telecommunication methods proposed.

A Street-Child's Board Game: the Endless Quest for Respectability in Ragged Dick

  • Kim, Soyoun
    • 영어영문학
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    • 제64권2호
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    • pp.187-201
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    • 2018
  • Horatio Alger's Ragged Dick (1868) betrays the economic and social system of nineteenth-century America through a self-reformative bootblack's quest for respectability. Being considered a space of constant danger, nineteenth-century New York City serves as a game board, and both visitors and residents of the city are supposed to avoid dangers while moving across its space. Dick Hunter, the juvenile protagonist of the novel, illustrates a street-child who starts his game of life from the backline of the game board. Continuing his quest for respectability, not only must he abandon the bad habits that he acquired as a street-child, but he also must avoid thieves and swindlers just like a tourist or like a player of nineteenth-century American board games. As Dick's social rise goes parallel with his movement in the city space, his entrance to a bank brings him the access to other respectable places, and a series of entrance turns him into a legitimate subject in the official system of the American society. While he continues his game of life successfully with the help of gentlemen patrons, in reality it is almost impossible for a disadvantaged player to escape the backline of the society. Thus, Dick's success story presents Alger's fantasy about the ideal economic system in which materials and persons are endlessly circulated.

Unknown Power, Impotentiality in Herman Melville's Pierre, or the Ambiguities

  • Chang, Jungyoon
    • 영어영문학
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    • 제56권3호
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    • pp.557-575
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    • 2010
  • Pierre breaks the rules of convention and acquires the 'potential not to do.' To transform the traditional hero into the new potential subject, Pierre moves from his hometown, Saddle Meadows, New York City to the dungeon of the city prison and creates three different relationships that symbolize what ideology and principles repress his mind and behavior and how he handles them. Firstly, in Saddle Meadows, Pierre has a narcissistic relationship with his mother, Mary, who teaches him the principles of American manhood and forces him to be docile: he has to obey Mary's order that a man should be a gentleman. Therefore, since he does not know his potential, he does not create his own work and is involved in plagiarism. Secondly, in New York City, Pierre creates an associated relationship with Isabel, his half-sister, who represents an ambiguous and mysterious character and has the 'potential not to do' that leads Pierre to destroys the beliefs of American manhood and performs the potential to do. Consequently, Pierre puts himself in an extreme situation and is absolutely liberated from the influence of his dead father, who unconsciously controls Pierre's behavior and thoughts. Thus, he makes a dissociated relationship with his father. In the dungeon, he physically dies, but symbolically metamorphoses into Isabel, so that he blurs the differences between Isabel and himself. Furthermore, he never stays in his own way: in this on-going process, Pierre cannot determine which is good or bad, legitimate or illegitimate and life or death.

발달장애아동의 식습관 및 영양섭취실태에 관한 연구 (A Study on the Food Habit and Nutritional Status of Developmentally Disabled Children)

  • 박은주;문현경;이삼순;박원희
    • Journal of Nutrition and Health
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    • 제34권2호
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    • pp.188-197
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    • 2001
  • The nutritional status is important for the physical and mental development of children. Children should have sufficient nutrient intake, specially for the developmentally disabled children. In spite of the importance not much research has been done for their food habit and nutritional status. In this study, nutritional status of the disabled children were examined, the number of children studied is 50 children in Seoul between 5 to 6 years old, of whom 11 were austism, 5 were mentally retarded children and 8 were down\\`s syndrome. In order to get the data questionnaires about the food habit and other related factors, and two days food records were used. Their mean height was 108.8$\pm$21.0cm and their average weight was 19.5$\pm$4.6kg. The proportion of study subject with problems of the food habits was 36%, without keeping the regular meal time was 16%, and having snacks 2-4 time daily was 56%. They chose confectionery and fruits as their favorite snacks. The proportion of study subject with the sensitivity to the food colors and smells when they ate was 54%, unskilled using spoon and fork was 58%, and having medications was 20%. When we asked them whether their parents used the food as compensation means or not, 32% of them said that they did it often or sometimes. For the nutrient intake, energy was 1,703 $\pm$ 511kcal, carbohydrate was 242.5 $\pm$ 69.3g, protein was 61.3 $\pm$ 17.5g, lipid was 50.0 $\pm$ 24.4g. As the nutrient intake, it was compared with RDA. The intake of vitamin A and calcium were below RDA. Intake of protein was more than 150% of RDA. The proportion of subject with more than 125% of RDA was 72% for the phosphorus, 62% for the protein, 60% for the Vitamin A and calcium were below 0.75 and that of the others was above 0.75. The mean adequacy ratio(MAR) was 0.88. As we sum up the results of the research, the developmentally disabled children were shorter and lighter than the reference, were having medications, had excessive appetites, and had unbalanced diets. Also they had the bad food habit. As for the nutritional intake, vitamin A and calcium intake were a little less than RDA, and protein and phosphorus intake were too much. With the results of the above research for the disabled children, we can conclude that there are need to take some necessary measures for those children. To establish some programs measures for their better food environment, it is thought that much more research should be done in the future. (Korean J Nutrition 34(2) : 188-197, 2001)

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일본(日本) ANIMATION 작품의 NARRATIVE에 보여지는 과거, 현재, 미래 시제(時制)의 분석(分析) - 오토모 가츠히로(大友克洋)의<메모리즈>를 중심(中心)으로 - (Analysis of Past, Present and Future as Shown in the Narratiive of Japanese Animation Work - Focusing on of Otomo Katsuhiro -)

  • 이승재
    • 한국콘텐츠학회논문지
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    • 제8권12호
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    • pp.91-97
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    • 2008
  • 기억이 지워지지 않고 그대로 남는다면 어떻게 될까? 이러한 질문에 대한 통상적인 태도는 기억에 대한 애착으로 요약될 수 있을 것이다. 기억이 지워진다는 것, 추억을 망각한다는 것, 혹은 그런 기억을 지우고 다른 것으로 대체한다는 것은 결코 참을 수 없는 일 일 것이다. 각기 다른 작품으로 보아도 이해에 무리는 없으나, 이들을 <메모리즈(Memories)>라는 공통된 제목 아래 함께 볼 때 전체의 문제의식과 작품에서 풍기는 이미지는 분명히 달라지는 것이다. 이 세 편의 에피소드는 애니메이션 특유의 환상적 영상과 분위기로 관객을 흡입한다. <그녀의 추억(Magnetic Rose)>에서는 과거의 기억에 사로잡혀 현재를 사랑할 줄 모르는 한 여인의 한이 얼마나 파괴적일 수 있는가를 통해, 현재와 연결되지 못하는 추억이라는 것의 허위를 보여준다. <최취병기(Stink Bomb)>에서는 눈 앞의 것에만 집착하는 인물들을 그림으로써 현실문제의 핵심을 파악하지 못하는 사회를 비판한다. <대포의 거리(Cannon Fodder)>는 자신들이 무엇을 원하는지도 모르는 채 주입된 미래에 대한 꿈의 무의미함을 보여준다. 관객은 과거와 현재, 미래에 집착하는 각각의 주인공들에게 빨려 들어간다. 이 세 편의 작품에서 공통적으로 나타나는 것은 비관주의가 바탕에 짙게 깔려있는 인간사회에 대한 의문이며, 피상적인 과거와 현재와 미래에 사로잡혀 현실을 인식하지 못하는 소외된 개인들, 혹은 이들의 의식을 단절시키는 사회이다.

국제무역 계약상 해상보험의 담보에 대한 주요 차이점 -영국, 미국, 한국의 비교 (Main Differences of Warranties under Marine Insurance Contract - with Comparisons between U.K., U.S. and Korea -)

  • 박명섭;한낙현
    • 무역상무연구
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    • 제44권
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    • pp.111-180
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    • 2009
  • According to English law, in a voyage policy there is an implied warranty that at the commencement of the voyage the ship shall be seaworthy for the purpose of the particular adventure to be insured. However, Unites States law affords the implied warranty of seaworthiness a great deal of latitude. In the case of voyage policies, it has been traditionally held that the assured is bound not only to have his vessel seaworthy at the commencement of the voyage but also to keep her so, insofar as this can be achieved by himself and his agents, throughout the voyage. Additionally, a defect in seaworthiness, arising after the commencement of the risk, and permitted to continue from bad faith or want of ordinary prudence or diligence on the part of the insured or his agents, discharges the insurer from liability for any loss consequent to such bad faith, or want of prudence or diligence; but does not affect the insurance contract in reference to any other risk or loss covered by the policy, and which is not caused or exacerbated by the aforementioned defect. One of the most important areas of difference in the marine insurance contract between the U.K. and U.S. is the breach of warranty. Prior to the Wilburn Boat case, the MIA was thought to hold that the effect of a breach of warranty was similar under American law -in that under the general maritime law literal compliance with all promissory warranties is required. In this case, the Court concluded that state law should apply to a marine insurance policy, and found that there was no federal rule addressing the consequences of a breach of warranty in marine polices. However, it is of the utmost importance that this case brought to a close the imperative concordance between English and American law. Meanwhile, in relation to marine insurance contracts in Korea, this insurance is subject to English law and practice;, additionally, the international trade volume between Korea and the United States has assumed a vast scale. Therefore, we believe it is important to understand the differences in marine insurance law between the two countries in terms of marine insurance contracts, and most specifically warranties.

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119구급대의 활성화 방안에 관한 연구 (A Study on Activation device of 119 Emergency Care)

  • 고재문;김경완;정용태
    • 한국응급구조학회지
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    • 제11권1호
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    • pp.27-40
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    • 2007
  • Even now, 119 rescue services have dissatisfactory aspects in operation, system and equipments as discussed above, It is the most urgent subject to systemize rescue services so that they can be suitable for our status, for we will make 21C welfare state come true before long. So, this author suggest that the followings have to be raised to activate 119 rescue service. 1) Bring up experts and offer high-quality rescue service 2) Prepare more up-to-date equipments 3) Operate transfer joint organizations 4) Promote the ability to meet with a press at the time of rescue service activities 5) Adjust regulations related to rescue services 6) Make up for a countermeasure to traffic accidents of ambulances 7) Adjust regulations making it mandatory to establish heliport at the target on hospitals more than a defined scale 8) Install more rescue service teams 9) Educate and train officials belonging to briefing rooms, where the officials with long experiences are arranged 10) Minimize the time for rescue team to reach fields 11) Establish legal protection system for rescue the team Nowadays, our country operates the department of fire fighting and rescue services without great difficulty, even though the circumstances are bad - insufficient members and the inferior circumstances. All of the fire fighting officials are given heavy duties in bad circumstances, and so are the team of rescue service. The rescue service team, taking charge of some emergency medical system, do a fire fighting inspection as a non-duty service, though they are scanty of sleep due to prevention and protection services of the fire fighting service team. But, they can not engage in rescue services completely and have to deal with miscellaneous duties. So they can not offer professional emergency medical services. But now, almost every fire fighting organization, belonging to National Emergency Management Agency, are separating rescue services, which shows a lot of good results. People recognize rescue services to get better and better gradually and the demands for this rescue services increase. So, this is the best time when rescue service teams should offer qualitative services rather than quantitative services. The people will recognize this rescue service team to be an organization sacrificing and serving for them. However well institutes and operation systems should be established, the rescue service team can not come true their aim without strong wills that they will serve and sacrifice themselves for people from their hearts. In addition, it is essential for the officials in charge of policies about emergency medical services to have a concernment on and practice the policy without failure.

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주택의 조명과 거주자의 면경착용 실태조사연구 (A Study on the Illumination of Household and Research on the Actual Conditions of Wearing Spectacles in Dwellers)

  • 석호작;남철현
    • 한국환경보건학회지
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    • 제17권2호
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    • pp.54-66
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    • 1991
  • As a result of measuring illumination and making up a question at home visit directly by investigator who trained over twenty days period from October 4 to 24, 1990, in order to render help which illumination problem against house, society against eyes or framing of health instruction potgram by seizing natural lighting actual conditions of house and actual conditions of wearing spectacles and by investigating interrelationship, I can summarize as follows. 1) In property of investigation subject, woman 66.9%, In an age, the twenties was largest of 27.4%, the forties was 20.2%, the fifties was 18.6%, the thirties was 17.4%. In academic career, those of upper secondary school grauates was largest of 28.6%, those who possess university career was 25.9%, those who middle school career was 20.9%, decoding of Korean alphabet was 2%. 2) By a residence area, a big city was 43.3%, farming and fishing villages were 20.3%, the rest was a small town and the administrative office of town, township. In positon of house, the middle area was 43.6%, resident of suburb area was 38.0%. In form of house, a Korean-style house was 40.8%, a western-style house was 34.8%, an apartment house was 11.0%. In the a standard of living, the middle classes 77.2%, the lower classes were 15.3%. In residential house unit of area, from 21 to 30 unit of area was largest of 31.5%, from 10 to 20 unit of area was 19.9%, from 31 to 40 was 18.7%. 3) The wearing spectacles rate of study user was 44.1%. By the area, those who wearing spectacles was more than a half of 50.8% in the resident of big city area. As passing from the farm area to the city, that is being resident of big city was high wearing spectacles rate. In position of house, as being residence in central street showed high wearing spectacles rate. (central street was 51.5%, the middle area was 44.5% and the suburb area was 40.1%.) It seemed similarity difference a variable by position of house from wearing spectacles in standard of 1%. By form of house, wearing spectacles rate those who resident in apartment house was 49.5%, that rate those who resident in a western-style house was high of 49.0%, that rate those who resident in a Korean-style house was the lowest 39.0%. By social position of resident in room, in students case who study showed very high, as university students were very high of 62.3% idn wearing spectacles rate, middle and high school students 'were 50.0%, members of society were 47.6%, workers 20.3%. It seemed similarity difference from academic career in standard of 1%. By an age, the thirties was high of 54.1% in wearing spectacles rate, the twenties was 43.2%, the teenage was the lowest of 11.8%. 4) In illumination of study, over 200Lux was high of 40.1%. but below 99Lux which inappropriate illumination to see the books was 32.4%. Average by area, below 99Lux was 22.7% and over 400Lux was 50.0% in case of wooden floor. As examine by area, below 99Lux was high of 27.0% a case of wooden floor in the big city area, it was not good in illumination passing from the farm area(15.0%) to the city(19.0%). Average illlumination by area of the main living room below 99Lux was high of 37.5%, less than 200Lux was 58.5% of whole. In general, illumination of the main livingroom was inappropriate. By area, the big city was 32.5% below 99Lux, the middle and small city area were 33.8%, town and township area were 45.0%, farming and fishing area were 42.8%. By area, in the big city, illumination of study was 52.5% over 200Lux and 28.9% below 99Lux. In case of the middle and small city, study user of below 99Lux was 38.8% and over 200Lux was 46.9%. In case of the seat of town township, below 99Lux was 34.1% and over 200Lux was 39.7%. In case of farming and fishing area, illumination of study was 33.4% below 99Lux and 48.4% over 200Lux. It tends to high rate of inappropriate illumination. 5) By position of house, in case of wooden floor, less than 100Lux was 24.5% in central street. It was bad illumination than others position of house. In case of the main livingroom, less than 100Lux was 40.4% in the suburb area. It was bad iliumnation than others position of house. In case of study, less than 100Lux was 35.4% in the middle area, it was worse in illumination. In case of the main living room, is seemed similarity difference in standard of 1%. 6) By form of house, in case of wooden floor, illumination of less than 100Lux was 23.8% in a western-style house, it was bad illumination than others form of house. In case of the main livingroom, illumination of less than 100Lux was 47.4% in a Korean-style house, it was remarkably bad illumination than others form of house. In case of study, a Korean-style house was 38.8%, it was very bad illumination than others form of house. In case of the main livingroom and study, it seemed similatrity difference each as P < 0.01 and P < 0.05 in standard of 1%. 7) The wearing spectacles rate of those who use room of illumination over 400Lux was 40.7%, and that of those who use room of illumination less than 100Lux was 28.1%. It seemed similarity differecce in standard of 1%. 8) In period of wearing spectacles, 21.3% of total investigator-highest-was from before five years, 8.6% was from before three years. Among those who use of illumintion less than 99Lux, 34.0% began to wear spectacles from before two years 31.7% was from before five years, 30.3% was from before four years. It seemed similarity difference from period of wearing spectacles by illumination in standard of 1 %. 9) Among cause which sight grow worse, the first was that it was each 33.2% and 27.4% in response rate because watch TV nearly to wearing spectacles person and non-wearing person. The second was that a lot of seeing books was 25.3% in wearing spectacles person and response rate for dark illumination was 7.4% in nonwearing spectacles person. It seemed similarity difference in standard of 1%. (P < 0.01). 10) In experience which take medicine good for eyes, it was 50.1% in wearing spectacles person and 8.5% in non-wearing spectacles person. It seemed similarity difference in standard of 1%(P < 0.01). As we have seen above, inappropriate illumination can be a cause of wearing spectacles. Nevertheless, actually, is realities to indifferent against illumination of house. So it must learn knowledge about health obstacle of illumination through society instruction and school eduction against students as well as general residents. In case that natural lighting is inappropriate structural of house, we must be able to maintain appropriate illumination through artificial illumination. And so eyes which is core of human life have to be protected, related the authorities, related group, and all health medical personnel will organically cooperate with and make efforts.

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가족용 장편애니메이션<인사이드 아웃>에 나타난 이행대상(transitional object) 캐릭터의 서사적 활용 연구 (A study on the narrative use of transitional object-characters in the family feature animation )

  • 박형동
    • 만화애니메이션 연구
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    • 통권49호
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    • pp.325-357
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    • 2017
  • 주인공의 모험을 조력하는 감초역할로 등장했지만 머천다이징 시장에서 크게 성공한 애니메이션캐릭터 올라프(겨울왕국), 미니언즈(슈퍼배드) 등등의 대중적인 인기비결은 귀여운 디자인에 있기도 하지만 해당 캐릭터의 심층에 이행대상의 특성들이 내포되어 있기 때문이라고 추정할 수 있다. 이행대상(transitional object)이란 아동심리학자 도널드 위니콧이 제안한 개념으로 간단히 표현하자면 유아가 어머니에게서 정신적으로 분리되는 과정에서 일시적으로 어머니를 대신하는 애착인형이나 상상 친구를 말한다. 하지만 이행대상 이론을 서사콘텐츠캐릭터연구에 적용하기 위해서는 이행대상 캐릭터에 관한 기준과 지표를 새롭게 정립하는 연구가 선결 되어야 했다. 이에 본 연구는 성장주체와 성장조력자의 '정서적 관계'를 기준으로 이행대상 캐릭터의 성향을 판단하는 정서적 지표를 새롭게 구축하였다. 그 지표는 4가지 정서적 역할(유사가족, 성장매개, 전기이행대상, 후기이행대상), 6가지 정서적 행위(안아주기, 보호하기, 받아주기, 주도권제공, 관계개선, 상호주관), 3가지 정서적 인상(접촉인상, 보호제공인상, 보호유도인상, 공격수용인상)항목으로 구성되었다. 위 지표를 적용하여 가족용 장편애니메이션<인사이드아웃(Inside out)>의 주요캐릭터들을 분석해 보았을 때 빙봉(Bing Bong)과 슬픔이(Sadness)가 높은 이행대상 캐릭터 성향을 보였다. 특히 슬픔이의 분석을 통해 가족용 장편애니메이션의 이행대상 캐릭터들이 어떠한 양상으로 작품의 성장서사를 강화하는데 활용되는지 유추 할 수 있었다. 이행대상 캐릭터인 슬픔이는 성장주체에게 '촉진적 정서'를 제공하는 양상으로 성장주체가 외적인 성공을 거둘 수 있도록 돕고 성장주체의 내적인 성숙과제를 '투사' 하는 양상으로 성장주체의 내적성숙을 도와 성장서사를 안팎으로 보조하고 있었던 것이다. 연구결과 이행대상 캐릭터들이 성장주체에게 제공하는 정서적 체험은 성장주체에게 감정이입하는 관객들에게도 전이되어 가족용 장편애니메이션의 어린이관객과 어른관객들에게 각각 다른 층위의 정서적인 만족감을 안겨주고 있었다.

Effect of Allergic Rhinitis and Asthma on Oral Health

  • Kim, Chang-Suk;Lee, Kyeong-Soo
    • 치위생과학회지
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    • 제19권4호
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    • pp.228-237
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    • 2019
  • Background: This study aimed to investigate allergic rhinitis and the relationship between allergic diseases, such as asthma and allergic rhinitis, and dental caries and periodontal disease using the raw data from third year of the 6th Korean National Health and Nutrition Examination Survey. Methods: A total of 3,729 subjects aged over 30 years who underwent examination for allergic diseases and an oral health checkup were selected. The data were analyzed using SPSS IBM SPSS ver. 25.0 (IBM Corp., USA). Composite sample cross correlation and composite sample logistic regression analyses were performed using the composite sample general linear model. Results: On examining the socioeconomic characteristics of the subjects suffering from allergic disease and the relationship between allergic disease and oral health, allergic rhinitis was more frequently found in younger subjects with a higher level of education. Periodontal disease and dental caries were more frequent among female, older age groups, lower income earners, and subjects with a lower level of education (p<0.05). On examining the relationship between the oral health characteristics of the subject and allergic diseases and oral health, allergic rhinitis was more common in subjects with a good oral health status perception than those who answered "bad" to the oral health status question. The community periodontal index of treatment needs (CPITN) score was higher in subjects who answered "poor" to the oral health status question, lower frequency of brushing, and higher in subjects using secondary oral hygiene products; the decayed, missing and filled teeth (DMFT) index was higher in subjects with a perception of poor oral health status (p<0.05). The DMFT index was high in the asthma group, and the CPITN score was high in the group who answered "no" to allergic rhinitis. Conclusion: There is a relationship between asthma and allergic rhinitis and the DFMT index and CPITN score. Corresponding oral programs for allergic patients need to be developed.