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다 입력 비선형 시스템의 출력을 포함한 궤환 선형화의 점검 가능한 필요 충분조건
송대준,김재현,이홍기,Song, Dae-Jun,Kim, Jae-Hyeon,Lee, Hong-Gi 대한전자공학회 1999 電子工學會論文誌, S Vol.s36 No.9
단 입력 단 출력 시스템의 출력을 포함한 궤한 선형화 문제는 Lee [5] 등에 의해서 해결이 되었다. 또한 Cheng [1]등이 다 입력 다 출력 비선형 시스템에 대한 필요 충분조건을 발견하였지만, 점검할 수 없는 조건이다. 본 논문에서는 다 입력 다 출력 비선형 시스템의 출력을 포함한 궤한 선형화의 점검 가능한 필요충분조건을 구한다. The problem of feedback linearization of SISO nonlinear systems with outputs has been solved by Lee et al. [5]. Also, Cheng et al. [1] have found the necessary and sufficient conditions for MIMO systems, which are, however, uncheckable. In this paper, we consider the MIMO nonlinear systems and obtain the verifiable necessary and sufficient conditions for feedback linearization with output.
송대준 圓光大學校 漢醫科大學 1984 圓光漢醫大論文集 Vol.- No.2
In the herb medicine, it has long been said that Hwang Ryon Hae Dok Tang (HRHDT) is effective in alleviating fever, antidoting, resistance to infection, treatment of tumor. This experiment was undertaken to evaluate the effect of HRHDT on the mice were sensitized intraperitoneally with SRBC(sheep red blood cells) and were challenged 4days later. In this study, the auther observed the effects of HRHDT on the cellular and humoral inmune response. The celluar immune response was determined by measuring the footpad swelling reaction. Footpad swelling reaction of each mouse was measured at 3hrs(Arthus reaction) and 24hrs(delayed type hypersensitivity) after challenge. The humoral immune response was determined by measuring hemagglutinins to SRBC. Following results have been obtained. 1. Arthus reaction and delayed type hypersensitivity of mice HRHDT administe red were decreased than those of control mice. 2. The serum antibody titers of mice HRHDT administered were decreased than those of control mice. 3. There has not been noticeable differences among the groups during the pre-immunization, pro-immunization and through the period.
Modal Superposition Method를 이용한 MPV 차량의 내구해석
송대준(Dae Jun Song),서진관(Jin Kwan Suh) 한국자동차공학회 2005 한국자동차공학회 Symposium Vol.- No.-
Modal Superposition Method (MSM) makes it possible to estimate the fatigue life of vehicle components using modal transient analysis, in which the load history of a real vehicle is imposed to obtain the dynamic response. The MSM has advantages of computing time and evaluation method compared with other methods developed for fatigue life prediction. Moreover, the MSM may provide a reliable result. To verify the reliability of the MSM, comparisons have been made between numerical results and experimental data measured in Belgian fatigue test of Multi Purpose Vehicle(MPV). It is demonstrated that the MSM shows a reliability of the fatigue life prediction for vehicle components.
Modal Superposition Method를 이용한 MPV 차량의 내구해석
송대준(Dae Jun Song),서진관(Jin Kwan Suh) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
Modal Superposition Method (MSM) makes it possible to estimate the fatigue life of vehicle components using modal transient analysis, in which the load history of a real vehicle is imposed to obtain the dynamic response. The MSM has advantages of computing time and evaluation method compared with other methods developed for fatigue life prediction. Moreover, the MSM may provide a reliable result. To verify the reliability of the MSM, comparisons have been made between numerical results and experimental data measured in Belgian fatigue test of Multi Purpose Vehicle(MPV). It is demonstrated that the MSM shows a reliability of the fatigue life prediction for vehicle components
단 출력 비선형 제어 시스템의 완전 선형화에 관한 연구
송대준,김재현,이홍기 중앙대학교 생산공학연구소 1998 생산공학연구소 논문집 Vol.7 No.2
출력을 포함한 다 입력 다 출력 비선형 시스템의 선형화 문제는 해결 되었지만, 그 조건은 점검할 수 없는 조건이다. 본 논문에서는 입력이 2개 출력이 1개인 비선형 시스템에 대하여, 출력을 포함한 궤환 선형화에 검증할 수 있는 필요 충분조건을 구한다. 이 결과는 일반적인 다 입력 다 출력 비선형 시스템으로 쉽게 일반화할 수 있을 것이다. The problem of linearization of MIMO nonlinear systems with outputs has been solved, but uncheckable. In this paper, we consider the nonlinear systems with 2 control inputs and 1 output and obtain the verifiable necessary and sufficient conditions for feedback linearization with output. Our results can be easily generalized for the general MIMO affine control systems.
최우천, 최우영, 송대준, 이건상 한국레이저가공학회 2000 한국레이저가공학회지 Vol.3 No.1
Selective Laser Sintering(SLS) can produce three-dimensional objects directly from a CAD solid model without part-specific tooling. In this study, a simple rapid prototyping through selective laser sintering on brass powder is investigated using a Nd:YAG laser. Experiments are conducted to produce single lines on a powder-packed bed for various process parameters. Also, temperature distribution in the powder bed and the thickness of a melted line are predicted by finite element analysis. In the numerical analysis, the thermal conductivity of the brass powder which is obtained as a function of state and temperature is used.
宋淙圭,송대준 圓光大學校 漢醫科大學 1984 圓光漢醫大論文集 Vol.- No.2
In order to study the effectiveness of moxibustion on the gastric ulcer treatment, 10% acetic acid 0.05ml was injected in the submucous membrance layer of rats to occur an experimental gastric ulter, and the following points of each rat group moxibustion at Jung-Wan(CV 12), Keun-chook(GV 8), Kan-Soo(B18), Sam-Cho-Soo(B22), and Jung-wan, Kan-Soo, Sam-cho-soo, on the WanDuDae(11.7㎎) five times a day for six days. The healing results were obtained as follows. 1. Moxibustion at Jung-Wan, Keun-Chook, Kan-Soo, Sam-cho-Soo,Gastric ulcer treatment effect was significant difference comparing with the control group, ie, Jung-Wan(51%) Kan-Soo(44%) Keun-Chook(40%) Sam-Cho-Soo(38%) 2. Moxibustion of Jung-Wan, Kan-Soo, Sam-Cho-Soo at the same times, gastric ulcer treatment effect was very significant difference comparing with the control group(63%). By the above results, it is effective that Moxibustion were remarkable complex meridian point more than simple meridian point on gastric ulcer treatment.
李寬炯,裵文弘,송대준 圓光大學校 漢醫科大學 1984 圓光漢醫大論文集 Vol.- No.2
This experimental studies were carried out in order to prove the effectiveness of moxibustion on the gastric motility in Unanesthetic Rabbits. The Kan-Soo (B.18), Dam-Soo (B.19), Keun-Chook (GV.8) moxibustion are effectiveness on gastro-intestinal tract troubles. (chronic gastritis, gastrospasm, abdominalpain, vomiting, anorexia, gastroptosis etc.). The following results were obtained by investigating the change of the gastric motility of rabbits moxibistion at the meridian point B.18, B.19, GV.8. 1. The average gastric motility was increased 57.73% by the moxibustion stimulation at the meridian point B.18. 2. The average gastric motility was increased 36.73% by the moxibustion stimulation at the meridian point B.19. 3. The average gastric motility was increased 16.78% by the moxibustion stimulstion at the meridian point GV.8. 4. It is considered that effects of moxibustion accoring to this experimental studies on the increased gastric motility is concerned in gastro-intestinal tract trouble.