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李甲湘,成洛道,李圭源 圓光大學校 1976 論文集 Vol.10 No.-
콩나물의 生育과 成分 變化를 感計하기 위해 콩을 실내(21∼25℃)에서 5日동안 재배하였던바 다음과 같은 결과를 얻었다. 1. 콩나물은 生長하감에 따라 水分含量 및 重量은 증가되었다. 2. 재배동안의 조지방과 환원당량은 콩나물의 성장과는 반대로 감소되었으나 조단백질량은 별로 차가 없었다. 3. Aspergillus saito의 protease에 의한 分解率은 콩보다 콩나물이 높았다. 그러나 콩을 콩나물로 재배시의 조단백질의 변화는 별로 없었으나 生化學的으로 生體에 利用될 수 있는 단백질의 함량의 變化를 究明하기 위한 硏究는 계속 추구해 보아야 하겠다고 思料된다. Soybeans were germinated in teh dark at 21-25℃ for 5 days, to study on the compositioin of soybean sprouts. The results are summarized as follows; 1. The growing rate, weight and moisture content in the soybean sprouts were increased throughout the germination period(5 days). 2. The crude fat content and the reducing sugar content were decreased irreversibly to its growing rate throughout the germination period (5 days), while the crude protein content was remained almost constant. 3. The decomposition rate of the soybean sprout by the protease of Aspergillus saito was higher than that of the soybean.
李奎遠 전북대학교 공업기술연구소 1978 工學硏究 Vol.8 No.-
This study is concerned with the optimal design of truss structures using geometric programming and SLP method. The conceptions of the geometric programming and SLP method are briefly reviewed. The objective function derived in this study is the weight function of truss structures and the constraints of stress and deflection are used as the constrained conditions. They are derived by forced method. In order to increase the efficiency of optimization of truss structures the process of optimization of truss structures is separated in the three cases, namely, 1) streel controls design 2) deflection controls design. 3) fully constrained design then the cases of 1) and 2) are optimized by geometric programming and the case of 3)by SLP method.
彈性理論에 依한 I型鋼 Beam의 最適設計에 關한 硏究
李奎遠 전북대학교 공업기술연구소 1976 工學硏究 Vol.5 No.-
This paper covers with following terms Ⅰ) The objective function of the nonlinear p개gramming formulation for minimum weight design is derived by the relation between area and moment of inertia, and this nonlinear objective function is transformed into the Lagrange funtion by the Lagrange multipliers. After design variables H, Af, Tw are resolved by necessary condition of this Lagrange function, whether this values are satisfying optimum points or not, is included in this paper. Ⅱ) Optimum solutions are resolved from the three case of stress control design, deflection control design and full constrained design.
Rahmen 移動支点에 摩擦係數를 考慮한 처짐의 影響에 對한 考察
李圭遠 大田工業高等專門學校 1969 論文集 Vol.5 No.-
The Roller Support spoken generally is the ideal Roller without friction. but the real structure has an intermediate character between the Roller Support and the Fixed Support, on account of invading of rain and dust. Therefore, I studied in this thesis the influences of the deflection by means of the principle of virtual work, considering the difference of when we think of the coefifcient of friction and when we don't think of it.
FUZZY 이론에 의한 트러스 構造物의 最適化에 관한 硏究
李奎遠,李珍遠,梁昌容 全北大學校 1996 論文集 Vol.42 No.-
Fuzzy theory is useful in dealing with vagueness and ambiguities concerned with subjective judgement of human beings. In this research the optimization of the section area of truss structure has been tested by using fuzzy theory. The section area of member was chosen with design variable and the weight function of strucure was chosen with objective function. According to changing constraint conditions linearly with using fuzzy set, various optimum object functions will be obtained by feasible direction method. This algorithm was applied practically to the 10 bar truss structure and subsequently came to almost same value of objective function. Therefore this algorithm appers to be effective method of section area optimization. Accordingly, the optimization of truss structures which utilizes the results of this study can be helpful in economical design of truss stuctures.