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        항공기 계기판의 적정배열을 위한 인간공학적 연구

        박종선,Park Jong-Sun 한국국방경영분석학회 1976 한국국방경영분석학회지 Vol.2 No.1

        The purpose of this thesis is to study the optimal arrangement of aircraft instrument panels through the human factors approach. Human factors engineering is the process of effectively fitting the human component to the machine component in any man-machine system. The human factors. are especially important to an aircraft pilot who must constantly shift his attention between the instrument panel within the cockpit and the surrounding area of the aircraft. The preliminary part of this study is to find the general patterns of the Korean pilot's eye movements during their various flying maneuvers, and which instruments require the most attention while in flight. It is assumed that all pilots have a general pattern of eye movement when observing the aircraft instrument panel and that an optimum arrangement would be to minimize the eye travel distance between instruments. In this thesis the arrangements of instruments is taken to be the independent variable and the eye travel distance between instruments the dependent variable. la order to compile the information necessary for this study, sixty Korean Air Force pilots were interviewed and requested to complete information forms. These information forms listed various flying maneuvers and listed each instrument used on the instrument panel. The compilation of the information on these completed forms listed the instruments most frequently used by the pilots. The second part of this study was to determine the optimum instrument arrangement. It was necessary to study the various number of possible arrangements of instruments depending upon the number of instruments involved. Therefore, these instruments are grouped by two major functions, The flight instruments were subdivided into three groups, and the engineering instruments were subdivided into six groups. With this subdivision we arrive at the possible number of arrangements of 4,320. Through the simulation method, total eye travel distance for each of these 4,320 arrangements is calculated and the arrangement which appears to be of optimum distance between the most frequently used aircraft instruments is determined. The results of this study indicate that the optimum distance between instruments would be 33,028cm and that the corresponding distance of the instrument panel now being used is 34,288cm. Therefore, an increased efficiency of $3.8\%$ would be realized if the existing aircraft instrument panel were re-arranged according to layout proposed in this thesis.

      • KCI등재

        벌점함수를 이용한 부분최소제곱 회귀모형에서의 변수선택

        박종선,문규종,Park, Chong-Sun,Moon, Guy-Jong 한국통계학회 2008 Communications for statistical applications and me Vol.15 No.4

        본 논문에서는 반응변수가 하나 이상이고 설명변수들의 수가 관측치에 비하여 상대적으로 많은 경우에 널리 사용되는 부분최소제곱회귀모형에 벌점함수를 적용하여 모형에 필요한 설명변수들을 선택하는 문제를 고려하였다. 모형에 필요한 설명변수들은 각각의 잠재변수들에 대한 최적해 문제에 벌점함수를 추가한 후 모의담금질을 이용하여 선택하였다. 실제 자료에 대한 적용 결과 모형의 설명력 및 예측력을 크게 떨어뜨리지 않으면서 필요없는 변수들을 효과적으로 제거하는 것으로 나타나 부분최소제곱회귀모형에서 최적인 설명변수들의 부분집합을 선택하는데 적용될 수 있을 것이다. Variable selection algorithm for partial least square regression using penalty function is proposed. We use the fact that usual partial least square regression problem can be expressed as a maximization problem with appropriate constraints and we will add penalty function to this maximization problem. Then simulated annealing algorithm can be used in searching for optimal solutions of above maximization problem with penalty functions added. The HARD penalty function would be suggested as the best in several aspects. Illustrations with real and simulated examples are provided.

      • KCI등재

        SE 전산지원도구를 이용한 형상관리 방안 연구

        박종선,Park, Jong-Sun 한국시스템엔지니어링학회 2011 시스템엔지니어링학술지 Vol.7 No.1

        Configuration management plays a key role in systems engineering process for any project from earlier stage of development. It consists of five major activities, ie., configuration management planing, configuration identification, configuration control, configuration status accounting and configuration verification and audit, and is essential to control system design, development and operation throughout entire life cycle of the system development. And it is directly associated with other part of systems engineering management process, ie., technical data management which provides traceability of important decisions and changes during development. In this paper, we describe how to apply CASE(Computer-aided Systems Engineering) tool-Cradle for the configuration management to achieve effectiveness of Technical Management process.

      • Statistical study on nightside geosynchronous magnetic field responses to interplanetary shocks

        박종선,김관혁,이동훈,이은상,진호,Park, Jong-Sun,Kim, Khan-Hyuk,Araki, Tohru,Lee, Dong-Hun,Lee, Ensang,Jin, Ho 한국천문학회 2012 天文學會報 Vol.37 No.2

        When an interplanetary (IP) shock passes over the Earth's magnetosphere, the geosynchronous magnetic field strength near the noon is always enhanced, while the geosynchronous magnetic field near the midnight decreases or increases. In order to understand what determines the positive or negative magnetic field response at nightside geosynchronous orbit to sudden increases in the solar wind dynamic pressure, we have examined 120 IP shock-associated sudden commencements (SC) using magnetic field data from the GOES spacecraft near the midnight (MLT = 2200~0200) and found the following magnetic field perturbation characteristics. (1) There is a strong seasonal dependence of geosynchronous magnetic field perturbations during the passage of IP shocks. That is, the SC-associated geosynchronous magnetic field near the midnight increases (a positive response) in summer and decreases (a negative response) in winter. (2) These field perturbations are dominated by the radial magnetic field component rather than the north-south magnetic field component at nightside geosynchronous orbit. (3) The magnetic elevation angles corresponding to positive and negative responses decrease and increase, respectively. These field perturbation properties can be explained by the location of the cross-tail current enhancement during SC interval with respect to geosynchronous spacecraft position.

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      • KCI등재

        日帝 强占期(1920~1930年代) 朝鮮人의 書堂改良運動

        朴鍾善(Park Jong-sun) 역사교육연구회 1999 역사교육 Vol.71 No.-

        This study is intended to show the historical significance of the Seodang Improvement Movement by examining Koreans" Seodang Improvement Movement and the Japanese Seodang Policy to take advantage of the movement during the Japanese Occupation (1920s to 1930s). In the early period of the Japanese Occupation, it was in Seodangs, rather than in common schools, that primary education for Koreans was conducted; but, before long, many Koreans realized that Japanese and other practical subjects taught in common schools were advantageous. Moreover, after the March First Movement, in relation to the theory of the Capability Cultivation Movement, they thought that a new type of education was necessary. As Koreans" zeal for a new type of education came to a climax, common schools became insufficient. Entrance into common schools was competitive. Thus, Koreans drove the establishment of more common schools and developed the Seodang Improvement Movement as a solution to the difficulty of entering a common school. Koreans enlarged Seodang facilities, engaged teachers who could teach both old and new learning, improved instructional styles, and added new subjects to the curriculum. Depending on the situation some people integrated several traditional Seodangs, and from the first, established such Seodangs by means of fund-raising. Fund-raising was done by leading figures and residents in villages. Koreans had numerous visions for the Seodang Improvement Movement. Some people asserted that the curriculum of Seodangs should be reorganized focusing on practicality and that they should be centers of rural rehabilitation. Others asserted that, first and foremost, Seodangs had to give a Korean-centered education. Meanwhile, in 1929, Japanese government published the "Revised Seodang Law" and introduced the Seodang Establishment Sanction System, tightening its control over Seodangs. The Japanese government controlled unauthorized Seodangs and in most cases shut them down. On the other hand, the Japanese government reinforced the qualifications necessary to become a Seodang teacher, urged the adoption of textbooks used in common schools, and gave subsidies to selected model-Seodangs. All these were implemented to spread colonial education. The Japanese government took notice of the modern character of Koreans" Seodang Improvement Movement, which emphasized practicality and utility, and planned to exploit it for colonial education. In the beginning, The Japanese government attempted to eliminate the sprout of ideological resistance in rural children and to acquire rural human resources to serve the exploitation of agriculture by exercising moral training and work-production education. Therefore, the Japanese government trained Seodang teachers and promoted them as leaders of rural rehabilitation. It also reorganized the Seodang curriculum into a vocational education system which focused on practical training. This was the true nature of so-called practical education. In conclusion, Koreans’ Seodang Improvement Movement was an attempt to modernize education inspired by national consciousness and focusing on practicality and utility; However, partly by promoting the improved Seodangs, and partly by reinforcing moral schooling and work-production education, the Japanese government attempted to lay the foundation of an education system intent on the "Japanization" of Koreans. Those Koreans who were eager for a new type of education did their best to utilize their educational opportunities, despite the colonial system, and brought about a boom of improved Seodangs. These educational activities of Koreans became the basis for the spread of a new style of education after Liberation in 1945.

      • KCI등재

        사이버대학 성인 학습자의 이러닝 준비도와 학습활동 분석

        박종선 ( Jong Sun Park ),이영민 ( Young Min Lee ) 한국컴퓨터교육학회 2010 컴퓨터교육학회 논문지 Vol.13 No.4

        상당 기간의 학습공백에서 벗어나 원격 혹은 사이버대학 수업에 참여하게 된 성인 학습자들은 초기 학습 참여에 많은 어려움을 경험하게 된다. 이러한 학습과정의 어려움을 극복하도록 지원하기 위해서 신규로 사이버대학 수업에 참여하게 되는 신입생과 편입생 학습자들을 중심으로 이들의 이러닝 준비도를 조사하고 학습이 수행되는 과정에서 이들의 학습활동을 분석할 필요가 있다. 본 연구의 목적은 사이버대학 신입생과 편입생 학습자들의 이러닝 준비도 수준을 진단하고 이들의 학습활동 유형을 분석하였다. 연구결과, 신입생과 편입생은 사이버대학 수업에 참여할 수 있는 기본적인 지식과 기술을 소유하고 있었으며, 이들은 상호작용, 학습과제 문의, 학습방법 등에 관한 일상적인 학습활동을 전개하는 것으로 나타났다. 또한 신입생과 편입생의 학습활동 양태 및 결과에 있어서는 뚜렷한 차이가 없는 것으로 나타났다. Many of learners in cyber universities have experienced the difficulties of learning and participation because they have never participated courses of cyber universities before. One of main reasons why they have experienced the difficulties was that they might have not received systematic guidances of university system as well as learning supports, depending on their readiness of e-learning. Otherwise, they may have lack of supports frequently and finally, fail to graduate. However, few studies were conducted to investigate the e-learning readiness of freshmen and enrollees in cyber universities. The purpose of the study was to analyze the e-learning readiness and learning activities of freshmen and enrollees of A cyber university and to support them more systematically and get them to succeed in studying. In the results, there were no differences between the freshmen and enrollees in basic competencies of cyber learning as well as interaction, task performance, and learning methods.

      • KCI등재

        인공지능에 대한 주요국의 대응전략 및 한국의 정치발전을 위한 제언

        박종선 ( Park Jong-sun ) 단국대학교 법학연구소 2017 법학논총 Vol.41 No.3

        지난 2016년 1월 스위스 다보스에서 열린 세계경제포럼(WEF; World Economic Forum)에서는 4차 산업혁명이라는 화두가 세상에 던져졌다. WEF의 보고서를 기점으로 많은 미래학자와 연구기관들은 4차 산업혁명과 미래사회변화에 대한 전망들을 논의하기 시작했고 독일, 미국, 일본 등의 주요 국가들은 미래변화에 대해 정부차원에서 다양한 전략과 정책을 수립하여 추진하고 있다. 우리나라도 다양한 논의를 기반으로 4차 산업혁명의 도래에 따른 미래사회 변화에 대응하기 위한 전략을 마련하기 위해 2017년 8월 16일 대통령 직속 ‘4차 산업혁명위원회’가 신설되었다. 4차 산업혁명은 사물인터넷(IoT), 빅데이터, 인공지능(AI), 3D프린팅 등이 핵심원동력이나, 특히 이 중 핵심기술 중 하나인 인공지능 기술분야에서 비약적 발전이 이루어지면서 획기적인 변화를 야기할 수 있게 되었다. 본 연구는 다보스가 제시한 14개의 이니셔티브를 고용, 교육, 의료, 안보의 4가지 영역으로 집약하여, 이 4가지 영역에서 인공지능의 변화가 가져올 미래의 방향을 고용, 교육, 의료영역은 국내정치의 측면에서 몇 가지 대응방안을 제시하였고, 국제정치적 측면에서는 국제안보에 초점을 맞춰 향후 발전방안을 제시하였다. World Economic Forum(WEF) held in Davos, Switzerland in Jan. 2016 brought up the topic ‘4th Industrial Revolution’ to the world. With WEF Report as the starting point, a number of futurologists and research institutes started the discussion on the outlook on the change of future society and the 4<sup>th</sup> industrial revolution. Major countries including Germany, USA and Japan have been establishing and implementing a variety of strategies and policies on the future change at the government level. Korea also established the ‘4th Industrial Revolution Committee’ under the direct control of the President of Korea on Aug. 16, 2017 for preparing the strategies to cope with the change of society in the future according to the advent of the 4<sup>th</sup> Industrial Revolution on the basis of various kinds of discussions. The key driving forces of the 4<sup>th</sup> Industrial Revolution including Internet of Things(IoT), big data, artificial intelligence(AI) and 3D printing. In particular, the artificial intelligence technology, one of core technologies above, could achieve the innovative change through the significant development. This paper classified 14 initiatives proposed in Davos, into 4 fields, employment, education, medicine and national security. The future direction to be brought by the change of artificial intelligence was proposed for these 4 fields. Several response approaches were proposed on the domestic political aspects for employment, education and medical field. The proposal in the international political aspects focused on the international security.

      • KCI등재
      • KCI등재후보

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