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이종건,오세윤,이영빈,김성철 한국항공우주학회 2014 한국항공우주학회 학술발표회 논문집 Vol.2014 No.4
공기역학적 지면효과 측정을 위한 자동화된 풍동모형 지지부 시스템을 개발하였다. 풍동 모형 지지부시스템은 서보모터, 구동기 그리고 위치제어시스템을 사용하여 자동화되었다. 또한 개발된 모형지지부시스템을 사용하여 별도의 추가 설치 없이 자유비행조건과 이착륙 조건 풍동 시험을 동시에 수행하였다. An automated wind tunnel model support system for aerodynamic ground effect measurement was developed. The wind tunnel model support system is automated using servo motor, servo driver and position control system. Also wind tunnel test for free flight condition and aerodynamic ground effect measurement carried out using the developed model support system without additional support installation.
李鍾建 慶尙大學校 南冥學硏究所 2002 남명학연구 Vol.13 No.-
This thesis deals with comparing and observing 『Shim Kyoung』 which Donggo wrote to Nammyoung for a present as well as the books written by Nammyoung and Donggo, their growing background and learning, their positions as government officers, and 「Moojinbongsa」 and 「Byounginbongsa」, letters having written to show respect to the King There are more records about Nammyung in 『Donggoyugo』 than in 『Nammyoungjib』. However, I am aware of the fact that the two books have almost the same content in them. 「Nammyoungshimkyoungbal」 has exactly the same content as 『Donggoyugo』. According to the comparition of these two books, I found that Donggo had sent the medicine material, calenda, 『Shimkyoung』, and other things to Nammyoung. Then Nammyoung sent appreciation letters to Donggo. In 『Shimkyoung』, Donggo suggested to Nammyoung that he became a government officer, but Nammyoung was only interested in morality. Donggo sent his son to Deoksan to grieve Nammyoung's death. They had the different pedigrees. Nammyoung's forefathers, who live in Huubcheon, didn't have any big government ranks. However, Donggo's forefathers had high government ranks. In their backgrounds some things are the same and some things are different. The things that were different were that Nammyoung was born in a rural area and his father died when he was 6 years old, but Donggo was born in Seoul and his father died when he was 26 years old. The things they had in common were that they all struggled economically, their mothers were all very clever, and they were not the eldest sons in their families. As they had different pedigrees, in the end Nammyoung became a scholar and Donggo became responsible for the national property. When Nammyoung was studying, I suppose that he was taught about learning from his father. However, Donggo learned about it from Lee, Yeonkyoung and Mr. Thansoo. When they were staying in Hyubcheon and Sangju, I suppose that they went to Hwang, Hyoheon to study, Nammyoung didn't go to school but Donggo went to school. Nammyoung changed his career objectives due to failing the exam to be a government officer, but Donggo started the job as a government officer because he passed ti. Nammyoung's highest rank in his life was only Hyunkam, but Donggo was Youngeujung. However, Nammyoung was appointed to a high position by the King. In 「Moojinbongsa」written by Nammyoung, he insisted on 'Respect', which is the important item of his consideration. It is the same that in 「Byounginbongsa」Donggo insisted on 'Harmony' which is an important item of his consideration. In 「Moojinbongsa」, he made clear the troubles of the government officers and suggested to the King that he treat all the problems of the government very strictly. In 「Byounginbongsa」, Donggo insisted harmony and advised that they have to prepare the following King through logic which to choose the talented men. I am aware that both of them did their best with their position at that time. When Doggo was 33 years old, he presented 『Shimkyoung』to Nammyoung. When Donggo gave that. I supposed that he transmitted Nammyoung 'Su-ki-chi-in'(to control themselves by learning) of the important spirit of Confucianism. Nammyoung decided to himself that he would try to study harder when he received the book. Both of them had lived differently but they always cared for their people. The fact Donggo gave a present, 『Shimkyoung』 to Nammyoung. After much consideration, study and hearing from our country's political leaders, I have become aware that there is now more study and consideration being given to our country.