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        • KCI등재

          6자유도 병렬형 모션 시뮬레이터 개발

          김한성,Kim, Han-Sung 한국생산제조학회 2010 한국생산제조학회지 Vol.26 No.2

          This paper presents the development of a new 6-DOF parallel-kinematic motion simulator. The moving platform is connected to the fixed base by six P-S-U (Prismatic-Spherical-Universal) serial chains. Comparing with the well-known Gough-Stewart platform-type motion simulator, it uses commercialized linear actuators mounted at the fixed base whereas a 6-UPS manipulator uses telescopic linear ones. Therefore, the proposed motion simulator has the advantages of easier fabrication and lower inertia over a 6-UPS counterpart. Furthermore, since most forces acting along the legs are transmitted to the structure of linear actuators, smaller actuation forces are required. The inverse position and Jacobian matrix are analyzed. In order to further increase workspace, inclined arrangement of universal joints is introduced. The optimal design considering workspace and force transmission capability has been performed. The prototype motion simulator and PC-based real-time controller have been developed. Finally, position control experiment on the prototype has been performed.

        • 외투세포 림프종의 세침흡인 세포학적 소견 - 1예 보고 -

          김한성,박성혜,Kim, Han-Seong,Park, Sung-Hye 대한세포병리학회 2001 대한세포병리학회지 Vol.12 No.1

          Cytologic features of a case of mantle cell lymphoma is presented, which was obtained by fine needle aspiration cytoloby and confirmed by excisional biopsy of axillary lymph node. A 67-year-old female alleged palpable masses in both axillae for several months. Additional multiple lymphadenopathies were found in the both neck and inguinal areas. The main cytologic feature was carpeting on monotonous slightly atypical small lymphocytes without heterogeneous components. The nuclei of these lymphocytes are slightly larger than benign small lymphocyte and relatively round with some Indentation. Nucleolus was not prominent and no mitosis was found. Their cytoplasm was scanty and cyanophilic in Papanicolaou's stain. The histiocytic cells, which had bland-looking banded nuclei and abundant cytoplasm, corresponding to pink histiocytes were shown. Excisional blopsy of lymph nodes was diagnosed as mantle ceil lymphoma, diffuse type.

        • KCI등재

          "온병조변"에서 "임증지남의안" 의 온병관련 의안을 변형하고 첨삭한 방법

          김한성,임진석,이충열,Kim Han-Sung,Lim Jin Seok,Lee Choong Yeol 대한동의생리학회 2005 동의생리병리학회지 Vol.19 No.3

          The Wenbing tiaobian(온병조변) is the first systematic disease monograph on warm factor disease(온병), written by Wu Jutong(오국통). It was most influenced by the Linzheng zhinan yian(임증지남의안), which was a book of gathering medical case records of Ye tianshi(엽천사). Therefore, there are plenty of quotations from this book in the Wenbing tiaobian. This study investigates the quotations from Linzheng zhinan yian, especially focusing on the way of transformation and correction of the original medical case records on the warm factor disease. The results are as follows: About 104 of 265 provisions in the Wenbing tiaobian were directly quoted from the Linzheng zhinan yian. The provisions quoted from Ye's case records were rearranged according to the categories of the triple burners pattern differentiation(삼초변증) and the causes of warm factor disease. And eve case record was transformed into more general descriptive form in order to put it into the book. For example, the specific figures, and some patients' peculiar symptoms, causes, sex and disease names were omitted. On the other hand, the tongue moss, pulse shape and some symptoms, which were necessary for differentiating patterns, were added. In the case of the formula, some formulas originated from Ye's case records were named newly. And the dose of each herb consisting a formula was determined, and therapeutic principle, taking method and detailed explanation was added to every formula.

        • KCI등재

          김기림 초기 시 연구

          김한성(Kim, Han Sung) 한국현대문학회 2013 한국현대문학연구 Vol.0 No.40

          동시대의 비평가와 후대의 연구자가 입을 모아 지적하였듯이, 김기림 텍스트에서 일본 모더니즘의 흔적은 분명 발견된다. 하지만 그는 일본 모더니즘의 흔적을 영미 모더니즘으로 곧 대체한다. 해방 후 기존의 비평을 편집한 선집 『시론』(1947)에서 일본 문인들의 이름은 해방기의 민족주의 정황상 지워지며, 해방 후 출간된 시집 『바다와 나비』(1946)와 『새노래』(1948)에서도 일본 모더니즘 색채가 가미된 시는 제외되었다. 이 글은 일본대학에서 1차 유학(1926-1929)을 마친 김기림의 시 「슈르-레알리스트」(1930.9.30), 「시론」(1931.1.16), 「첫사랑」(1934.1) 세 편을 독해하여, 김기림 텍스트가 일본 모더니즘의 자장에서 벗어나 영미 모더니즘으로 전환하는 순간을 추적해 본다. 일본을 매개로 한 모더니즘의 굴절된 수용에서 직수입의 길로 나아가는 과정에서 한국 모더니즘 문학의 이론적 지도자를 꿈꾸는 저자의 욕망을 읽을 수 있다. This paper sheds light on the transition from the indirect reception of French surrealism via Japanese surrealism to the direct and immediate reception of English modernism in Kirim Kim’s early poetic works. I compare Kim’s poems with contemporary Japanese and Western ones and explore how Kim’s poems are intertextualized with them. The trace of Japanese surrealism shows in his early poems such as “Surrealist,” “Poetics,” and “The First love,” and his essays in some degree, but becomes lost when he applied T. S. Eliot’s literary theory and poetic skills. When he collected his selected poems and critical works after WWII, he erased all Japanese writers’ names in his essays and removed their surrealistic skills in his poems. He desires to liberate his works from the anxiety of Japanese influence and to establish the literary tradition of Korean modernism after the liberation from Japan.

        • KCI등재

          「무녀도」읽기 : 환경 비평의 시각에서

          김한성(Kim Han Sung) 문학과 환경학회 2010 문학과 환경 Vol.9 No.2

          Eco-criticism tends to be defined as “the study of nature writing by way of any scholarly approach or, conversely, the scrutiny of ecological implications and human-nature relationships in any literary texts” (Slovic, 27). Examining the negotiation between human and nature has tackled the field of Korean “pure” literature called Sunsumunhak. These writers advocate the purity of literature by turning their eyes to nature from socialist realism or Western “modernism.” Kim, Dongni(1913-1995) represents this flow of literature when Japanese colonial rule controlled Korean literary circles in late 1930's and early 1940s. His representative work, “The Shaman Painting”(1936) describes the atmosphere of Korean nature in a remote village near Gyeongju, the ruined capital of ancient Korea. In this fiction, Kim attempts to reinvigorate shamanism as Korean tradition against Western religion, Christianity. He treats Christianity as an unwelcome guest which persecutes shamanism. For this reason, literary critics tend to understand this work as a religious struggle between East and West. This point of view is plausible; however, his obsession with shamanism seems to divert from a religious category. I want to explore Kim's obsession with shamanism from an ecological and feministic perspective. The death scene of a heroine, a shaman, and fictional characters' and a narrator's ruined identity enlighten me that these characters are deeply connected with nature, stage, and background. Thus, I explore how human beings negotiate with the nature in “The Shaman Painting.” Then, I examine the essence of the Korean spirituality that Kim portrays here.

        • KCI등재

          Accuracy Improvement of a 5-axis Hybrid Machine Tool

          김한성,Kim, Han Sung The Korean Society of Industry Convergence 2014 한국산업융합학회 논문집 Vol.17 No.3

          In this paper, a novel 5-axis hybrid-kinematic machine tool is introduced and the research results on accuracy improvement of the prototype machine tool are presented. The 5-axis hybrid machine tool is made up of a 3-DOF parallel manipulator and a 2-DOF serial one connected in series. The machine tool maintains high ratio of stiffness to mass due to the parallel structure and high orientation capability due to the serial-type wrist. In order to acquire high accuracy, the methodology of measuring the output shafts by additional sensors instead of using encoder outputs at the motor shafts is proposed. In the kinematic view point, the hybrid manipulator reduces to a serial one, if the passive joints in the U-P serial chain at the center of the parallel manipulator are directly measured by additional sensors. Using the method of successive screw displacements, the kinematic error model is derived. Since a ball-bar is less expensive than a full position measurement device and sufficiently accurate for calibration, the kinematic calibration method of using a ball-bar is presented. The effectiveness of the calibration method has been verified through the simulations. Finally, the calibration experiment shows that the position accuracy of the prototype machine tool has been improved from 153 to $86{\mu}m$.

        • KCI등재후보

          원저 : 사업성과평가 도입이 조직문화의 변화와 조직몰입에 미치는 영향 -일개 공공병원에 대한 종단적 분석결과를 중심으로-

          김한성 ( Han Sung Kim ),김영훈 ( Young Hoon Kim ),문형구 ( Hyoung Koo Moon ),노경택 ( Kyung Taeg Rho ) 한국병원경영학회 2010 병원경영학회지 Vol.15 No.2

          The purpose of this study is to analyze the effects of the introduction of `business performance evaluation program` on the changes in organizational culture and employee commitment. The data for this study were collected three times, in 2006, 2008, and 2009 from the employees at a public hospital in Korea. The main findings of this study are as follows. 1. Organizational culture has gradually changed as the `business performance evaluation program` was introduced and implemented. Regarding the changes in the different type of culture, we can see that group culture, developmental culture and rational culture has been stronger and, on the other hand, the introduction of `the program` did not have as much impact on the hierarchical culture as on the other types of culture. 2. The group culture has have more impact on the organizational commitment than other types of culture. In case of the hierarchical culture, however, statistically significant relationships could not be found between the organizational commitment and the introduction of business performance evaluation program.

        • KCI등재

          저자유도 평면 병렬형 기구의 강성 해석

          김한성(Han Sung Kim) Korean Society for Precision Engineering 2009 한국정밀공학회지 Vol.26 No.8

          This paper presents the analytical stiffness analysis method for a low-DOF planar parallel manipulator. An n-DOF (n<3) planar parallel manipulator to which 1- or 2-DOF serial mechanism is connected in series may be used as a positioning device in planar tasks requring high payload and high speed. Differently from a 3-DOF planar parallel manipulator, an n-DOF planar parallel counterpart may be subject to constraint forces as well as actuation forces. Using the theory of reciprocal screws, the planar stiffness is modeled such that the moving platform is supported by three springs related to the reciprocal screws of actuations (n) and constraints (3-n). Then, the spring constants can be precisely determined by modeling the compliances of joints and links in serial chains. Finally, the stiffness of two kinds of 2-DOF planar parallel manipulators with simple and complex springs is analyzed. In order to show the effectiveness of the suggested method, the results of analytical stiffness analysis are compared to those of numerical stiffness analysis by using ADAMS.

        • KCI등재

          평행사변형 기구를 이용한 평면 병렬형 병진운동 기구 개발

          김한성(Han Sung Kim) Korean Society for Precision Engineering 2007 한국정밀공학회지 Vol.24 No.8

          In this paper, two types of novel planar Translational Parallel Manipulators (TPMs) by using parallelogram mechanism are conceived. One is made up of two Pa-P (Parallelogram-Prismatic) legs connecting the base to the moving platform. The other consists of two P-Pa legs, which is the kinematic inversion of the former. Since connecting links in a parallelogram mechanism are subject to only tensile/compressive load and all the heavy actuators are mounted at the base, the proposed manipulators can be applied for planar positioning/assembly tasks requiring high stiffness and high speed. The position, velocity, and statics are analyzed, and the design methodology using prescribed workspace and velocity transmission capability is presented. Finally, two types of prototype manipulators have been developed.

        • KCI등재
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