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홍수원,심윤상,이국행,모정아,이수정,고재수,Hong, Soo-Won,Shim, Youn-Sang,Lee, Guk-Haeng,Mo, Jeong-A,Lee, Soo-Jung,Koh, Jae-Soo 대한기관식도과학회 2008 大韓氣管食道科學會誌 Vol.14 No.1
Bronchogenic cysts are rare congenital anomalies of the tracheobronchial tree. Most cases present within the mediastinum or pulmonary parenchyma without a patent connection to the tracheobronchial tree or digestive tract in the pediatric age group. Cervical bronchogenic cysts in adults are rare. In this report, we describe two cases of incidentally found paratracheal bronchogenic cysts that presented as asymptomatic neck masses in a 66-year-old female with papillary thyroid carcinoma and in a 59-year-old male of Catleman's disease.
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그리스도교 미술의 역사적 고찰을 통한 전례미술의 기능과 역할에 관한 연구
홍수원(Hong, soo-won) 한국조형디자인학회 2009 조형디자인연구 Vol.12 No.3
Liturgical art has the function of a medium that communicate with God in a religious world of Christianity. In other words, art expresses invisible religion to be visible with abstract symbol and metaphorical expression. A ritual has meanings of worship, admiration and participation in the festival for God living with us surpassing time and space. This study aimed to become a cornerstone of future church art development by studying the history of Christian art and the role of liturgical art in the contemporary Catholic Church. First, it has a doctrine educating role delivering messages of the Bible. The themes of the Bible shown in paintings and sculptures of all ages helps illiterates to step closer to the salvation mystery just like understanding messages of God by reading the Bible. Second, Catholic churches are the places where 7 Sacramentum including the sacrament and the baptism, the most important things in Catholic Church, take place. Also, it is the actual element and a tool of liturgical art. Third, beautiful liturgical art has important roles of rituals and inspiring devotions of believers by increasing mystery of church spaces. Human beings prefer substances they can actually see and touch to a conceptual world of letters and languages. By respect and the rosary for sacred images and objects, they raise their religious devotion. Fourth, liturgical art is the expression of religion of the church community formed over a long time in the history and the culture of perpetual Catholic Church. It plays a central role of sharing religious experiences of each community by speaking for the age and the culture and the sentiment of the people. Fifth, it has a role of evangelization and prophecy. Built churches should be recognized as a symbol of hope and salvation even to those who have never been to church. Liturgical art including Catholic churches should do a role of propagandizing Christianity to the world. The most important thing in Liturgical art is creating beauty with integrated ritual functions and artistry by harmonizing all arts including paintings, sculptures, stained glass and ritual crafts with church construction as an organic whole. Liturgical art is an act of revealing glory of God in churches with blessed creativity and the realization of holy religion through Catholic religions, development of believers' devotion and services in religious education.
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우광방,홍수원 연세대학교 대학원 1987 延世論叢 Vol.23 No.1
In order to maximize the capability of robot and to execute the given task during the least minimum time, this paper presents the algorithm which enables robot manipulator to move between two points in Cartesian space optimally when it satisfies the constraints of the specified trajectory function and input torque constraints. Specifying traveling path between any two points in the task space, trajectory function is described by the parameters representing joints of the manipulator and by the single parameter representing the trajectory. The trajectory function is incorporated into the dynamic equation of robot in which change in its manipulator position is expressed in terms of change in the values of the parameters that produce optimal solution. Input force torque constraints are coverted to the parameters of the dynamic equation and there is no need to restrict the range of the input torque. Phase plane is implemented that consists of the pseudo velocity and position of the joints. The pseudo velocity is derived from characterisitcs of the dynamic equation, and the admissible range of the manipulator velocity is designed on the phase plane. The above algorithm is applied to operations of the manipulator which has prismatic joint and rotational joint, and computer simulation is carried out Under several constraints, the optimal trajectory is generated and the trajectory can traverse between two points in Cartesian space with minimum time.
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