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許南秀 慶南大學校 産業經營硏究所 1987 産業經營 Vol.10 No.-
Ⅰ. 리스 金融의 重要性 Ⅱ. 리스 金融의 特質 및 效果 1. 理論的 特質 2. 社會的 效用 3. 財務的 效果 Ⅲ. 리스 金融의 問題點과 適用 1. 適用上의 問題點 2. 財務 意思決定 3. 適用方法 Ⅳ. 結 論
許南秀,黃光性,金明圭,金昌奎 진주산업대학교 1986 論文集 Vol.24 No.-
This experimental study has been carried out to investigate the coefficient of head loss due to the dividing flow through the T type junction in the Reynolds number ranging from 6×10exp4 to 10exp5. The main duct 50mm in diameter and the dividing ducts of three kinds, respectively 50, 40 and 30mm in diameter, which were PVC pipe, were used. The results obtained are as follows: 1. The experimental formulares obtained by the experimental loss coefficient and weight flow ratio are as follows : ◁수식 삽입▷(원문을 참조하세요) 2. Loss coefficients don't exert a great influence on the change of Reynolds number. 3. As the area ratio increased, the loss coefficients due to the weight flow ratio changed suddenly.
허남수,김인환 진주산업대학교 1995 산업과학기술연구소보 Vol.- No.2
선형표적 추적필터는 기동을 행하는 표적추정에는 적합하지 못하므로 기동특성에 적응할 수 있는 적응 알고리즘에 관하여 연구하였으며 기동표적 시나리오를 이용하여 시뮬레이션을 수행한 결과는 다음과 같다. 1) 모델기준 실패탐지 및 확정이론에 근거한 적응 추정알고리즘은 방위각 정보만을 이용한 수중운동체의 기동표적에 대하여 양호한 추적성능을 얻을 수 있었고, 이노베이션 프로세스에 근거하여 유한 데이타 윈도우를 사용한 x^2확률분포로 부터 신뢰성있는 표적의 기동탐지를 수행할 수 있었다. 2) 이노베이션 프로세스에 근거한 기동입력의 보상방법은 기동입력의 변화에 관계없이 양호한 기동표적 추적성능을 얻을 수 있었다. 3) 칼만필터의 오차항에 대한 분포가 정규분포를 따르지 않을 때의 경우에 대해 통계적 시뮬레이션을 통한 경험적 분포의 유도가 필요하다. 4) 시뮬레이션을 수행할 때 난수의 적합도(goodness of fit for random numbers)에 관한 검정을 함으로써 필터의 안정성에 기여할 수 있는 방법이 연구되어야 한다. Most of moving tatgets are modelled as nonlinear dynamic equations. The extended Kalman filter is frequently used for estimating their behaviors. But extended Kalman filter does not give optimal estimates and fails to track target trajectories because of its properties. In this paper, an adaptive state estimation algorithm based on failure detection and identification theory was developed in order to track maneuvering target. The algorithm as applied to bearing-only TMA.
水稻移秧時의 移養作業을 위한 適正圃場條件에 關한 硏究(Ⅱ) : 耕地整理 後 經適年數 Elapsed years after readjustment of arable land
許南秀,金泰圭 진주산업대학교 1982 論文集 Vol.20 No.-
For purpose of investigation the proper paddy field condition in performance of rice transplanter according to the various elapsed years (1,2yesrs) after readjustment of arable land and days (1,2days) after puddling and the plowing depth(15,18,21cm), this experiment was carried out on the readjustment of arable land located in Chi! Am Dong, Jin Ju City. The results are summarized as follows; 1. The percentage of slip had a great influence on uneveness on the ground according to the readjustment of arable land, but highest percentage of slip was 26% in 2 year after readjustment of arable land (2day after puddling, plowing depth 15cm). 2. The planting distance was the widest difference with 12.4㎝ in 1 year after read justment of arable land (1 day after puddling, plowing depth 21cm) and the planting distance was 13.8cm, which was closed to the proper planting distance in 2 year after readjustment of arable land (2day after puddling, plowing depth 15cm). 3. The percentage of missing hill was the lowest (2.1%) in 2 year after readjustment of arable land (2day after puddling, plowing depth 15cm). 4. The planting depth was 3.15cm, which was closed to the proper planting depth in 2year after readjustment of arable land (2day after puddling, plowing depth 15cm). 5. The angle of planting posture had a great influence on uneveness on the ground. 6. From the result above mentioned, then one transplant rice after readjustment of arable land, one must transplant rice 15cm and below of plowing depth, and it is recommended that one must work minutely into plowing, soil preparation, eveness operation and etc.
許南秀 진주산업대학교 1983 論文集 Vol.21 No.-
This experimental study has been carried out to investigate the coefficient of head loss due to the confluent duct fow through the T type junction in the Reynolds number ranging from 6×10 exp (4) to 10 exp (5) The main duct 50㎜ in diameter and the confluent of three kinds, respectively 50,40 and 30㎜ in diameter, which were PVC pipe, were used. The results obtained are as follows: 1. As the Reynolds number increased, head losses Δ hs were increased and as the weight flow ratio increased, head losses were decreased in case of m=1. But the range of the change of head losses due to the weight flow ratio were decreased in case of m≥1.56. 2. curves of loss coefficient according to the weight flow ratio obtained are as follows: m=1 :ζ_23=1.3303X_2^2-0.8518X_2+0.5975 m=1,56 :ζ_23=2.2045X_2^2-1.6835X_2+1.0274 m=2.78 :ζ_23=3.2359X_2^2-2.3264X_2+1.6750 3. As the area ratio increased, the least loss coefficient was increased. 4. As the area ratio increased, the loss coefficients due to the weight flow ratio changed suddenly.
許南秀 진주산업대학교 1984 論文集 Vol.22 No.-
This experimental study has been carried out to investigate the coefficient of head losses due to the dividing flow through the T type junction in the Reynolds number ranging from 3×10exp(4) to 7×10exp(4). The main and dividing ducts, which were PVC pipe, were used 30 ㎜ in diameter. The results obtained are as follows: 1. Curves of loss coefficient according to the weight flow ratio obtained are as follows: ζ_12=1.0021-0.8376X_2+1.0717X_2^2 ζ_13=0.0104-0.2658_2+0.7035X_2^2 2. Loss coefficients dont exert a great influence on the change of Reynolds number. 3. The loss coefficients of ζ_12 are higher than those of ζ_13.