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이기성,Lee, Ki-Seong 한국기술사회 2008 技術士 Vol.41 No.5
Having regarded space technology as one of national strategic technologies for its national development, the Korean Government legislated "Space Development Promotion Act" in 2005. Based on it, the Korean government established "National Space Committee" and set up "Long-Term Plan for Korea's Space Development". For the fulfillment of those national policies, related organizations including Korea Aerospace Research Institute are developing various satellites, space launch vehicle(KSLV-1), and Naro-space center. etc.
A Conditional Indirect Survey Method
이기성,홍기학,손창권,남기성,Lee, Gi-Sung,Hong, Ki-Hak,Son, Chang-Kyoon,Nam, Ki-Seong The Korean Data and Information Science Society 2002 한국데이터정보과학회지 Vol.13 No.1
For improving the quality of survey dat a of sensitive character, we suggest a conditional in direct survey method. In th at method, only the respondents who answer directly to the less sensitive question respond indirectly to the more sensitive one by using the one sample unrelated question randomized response technique with the known $\pi_y$, the true proportion of unrelated group Y. We extend it to two sample method when $\pi_y$ is unknown. We also consider the case that people who possess less sensitive character answer untruthfully. Finally we compare our method with the methods of Greenberg et al. and Carr et al..
이기성,변근주,Lee, Ki Seong,Byun, Keun Joo 대한토목학회 1994 대한토목학회논문집 Vol.14 No.4
콘크리트는 초기부터 미세균열을 포함하고 있으며 이들의 성장과 전파에 의해 파손이 발생한다. 이와같은 과정을 손상이라 한다. 연속체 손상역학의 개념을 소개하고 열역학 법칙으로부터 자유에너지함수와 소산포텐셜을 가정하여 이차텐서로 나타낸 손상모델의 전개법칙과 구성방정식을 제안하였다. 구성방정식은 탄성과 손상 및 소성을 고려하도록 하였다. 도출된 모델을 이용하여 단조하중에 의한 일축과 이축응력을 받는 콘크리트에 적용하여 그 타당성을 검정하였다. Concrete contains numerous microcracks initially. The growth and propagation of microcracks cause failure of concrete. These processings are termed as "damage". The concepts of the continuum damage mechanics are presented and the damage evolution law and constitutive equation are derived by using the Helmholz free energy and the dissipation potential by means of the thermodynamic principles. The constitutive equation includes the effects of elasticity, damage and plasticity of concrete. The proposed model successfully predicts the nonlinear behavior of concrete subject to monotonic uniaxial and biaxial loadings.
사랑의 신학으로서의 영산 신학: 사랑과 행복 나눔의 조직신학적 기초
이기성 ( Lee Ki Seong ) 한세대학교 영산신학연구소 2008 영산신학저널 Vol.15 No.-
It is generally acknowledged that Young San’s theology represents an eminent theology of faith. The theme of the fourth-dimensional spirituality explicates the creative potential of the Christian faith. Young San’s theology is also considered to be an effective theology of hope as clearly shown through the theological conversation with Jurgen Moltmann. This paper represents an attempt to redefine Young San’s theology as a consistent theology of love. Tuomo Mannermaa once stated with regard to Martin Luther’s theology that love is not all, yet constitutively present in all. The same conclusion can be drawn in respect to Young San’s Full Gospel theology. The basis of the theology of love can be found in the understanding of the trinitarian God as the source of all true love. God Himself is eternal love of Agape(1 John 4:8,16) and He as a good One means His absolute love in action in the relationship with His creatures. It is important to know that all other genuine themes of Young San’s theology such as ‘Threefold blessing’, ‘the personal relationship with the Holy Spirit ’as well as‘ the Fourth-dimensional spirituality’ contain deep implications concerning the theological keyword of love. The theme of love connects all major contents of systematic theology to a consistent basic theology of love. The Agape love of God and the right human response to this divine love in threefold forms of love toward God, toward neighbors and to oneself build an organic whole which is comparable to what Philipp Jakob Spener called the order of love. But Young San’s genuine emphasis on his special themes mentioned above gives further implication for the understanding of love. Some proposals are to be made for further studies. To expand Young San’s basic theology of love one should not just contrast the divine Agape with all other natural forms of human love but should also examine wherein their positive inner relation consists. Since Young San proclaimed in 2005 an theological reorientation of the Full Gospel message reaching out to the salvation of the whole society as well as the nature, Young San’s understanding of love also needs to widen its horizon. Finally, an examination of the interrelationship between the faith, hope and love three theological virtues representing the new mode of existence for all Christians would help us to understand what is expressed by the term of the theology of love. It is under this light of Young San’s theology of love that his theology as theology of faith as well as theology of hope has to be reinterpreted.