• The Korean Journal of Applied Statistics
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• v.32 no.6
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• pp.795-835
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• 2019

Big data has been generated in various fields. Many companies have now tried to make profits by building a system capable of analyzing big data based on artificial intelligence (AI) techniques. Integrating AI technology has made analyzing and utilizing vast amounts of data increasingly valuable. In particular, demand forecasting with maximum accuracy is critical to government and business management in various fields such as finance, procurement, production and marketing. In this case, it is important to apply an appropriate model that considers the demand pattern for each field. It is possible to analyze complex patterns of real data that can also be enlarged by a traditional time series model or regression model. However, choosing the right model among the various models is difficult without prior knowledge. Many studies based on AI techniques such as machine learning and deep learning have been proven to overcome these problems. In addition, demand forecasting through the analysis of stereotyped data and unstructured data of images or texts has also shown high accuracy. This paper introduces important areas where demand forecasts are relatively active as well as introduces machine learning and deep learning techniques that consider the characteristics of each field.

• Journal of Korean Philosophical Society
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• v.145
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• pp.91-117
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• 2018

This paper aims to clarify the similarities and differences between the Zhouyi and artificial intelligence. The divination of the Zhouyi is rooted in the oldest system of human knowledge, while artificial intelligence stands at the cutting edge of modern scientific revolution. At first sight, there does not appear to be any association that links the one to the another. However, they share the same ground as seen from a semiotic standpoint because both of them depend on the semiotic system as a means of obtaining knowledge. At least four aspects can be pointed out in terms of similarities. First, artificial intelligence and the Zhouyi use artificial language that consists of semiotic signs. Secondly, the principle that enables divination and artificial intelligence lies in imitation and representation. Thirdly, artificial intelligence and the Zhouyi carry out inferences based on mathematical algorithms that adopt the binary system. Fourth, artificial intelligence and the Zhouyi use analogy as a means of obtaining knowledge. However, those similarities do not guarantee that the Zhouyi could arrive at the scientific certainty. Nevertheless, it can give us important insight into the essence of our civilization. The Zhouyi uses intellect in order to get new information about the unknown world. However, it is hard to know what kind of intellect is involved in the process of divination. Likewise, we do not know the fundamental character of artificial intelligence. The intellect hidden in the unknown subject is a mystic and fearful existence to us. Just as the divination of the Zhouyi inspires the sense of reverence toward the supernatural subject, we could not but have fear in front of the invisible subject hidden in artificial intelligence. In the past, traditional philosophy acknowledged the existence of intellect only in conscious beings. Nonetheless, it becomes evident that human civilization ushers into a new epoch. As Ray Kurzweil mentioned, the moment of singularity comes when artificial intelligence surpasses human intelligence. In my viewpoint, the term of singularity can be used for denoting the critical point in which the human species enters into the new phase of civilization. To borrow the term of Shao Yong(邵雍) in the Northern Song Dynasty, the past civilization belongs to the Earlier Heaven(先天), the future civilization belongs to the Later Heaven(後天). Once our civilization passes over the critical point, it is impossible to go back into the past. The opening of the Later Heaven foretold by the religious thinkers in the late period of Joseon Dynasty was a prophecy in its own age, but it is becoming a reality in the present.

• Journal of the KSME
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• v.20 no.1
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• pp.31-39
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• 1980

Automation(자동화)은 1946년 Ford 자동차회사에서 출생한 이래 반도체공업의 기술정보를 배 경으로 한 Computer, NC, Digital 정보처리기술, 도형정보처리기술등의 개발로 급격히 발전하 였다. 1970년대에 접어들면서 공업계기의 발달로 계장 system의 Hardware가 성능이나 신뢰성이 실용화레벨에 올라서 Roqort, 인공화능, man-machine system까지도 나타나게 되었다. 생산 system의 자동화에 있어서도 생산공정의 소재관리, 기계가공, 조립, 검사, 포장등을 일관서있는 연속작업이 되도록하는 종래의 Machanical Automation이 있다. 이는 소품종 다량생산체제에서 고능율, 고도의 가공효율의 요구에 따라 제품의 품질관리 및 제조를 자동전용기에 의한 양산체 제라 하겠는데 이것이 선진국의 1950년대의 자동화의 형태라 할수 있다. 1960년대에 들어서 앞서 기술한 전기 전자 기술의 발달과 제품에 대한 사회의 요구와 그것에 부응하기 위하여서는 생산 Line의 자동화가 점차 지능화하는 경향을 보이고 있으며 이를 Mechatronical Automation이라 부르기도 하나 이 점이 종래의 자동화와 성격이 다르다고 하겠다. 여기서는 생산시스템의 자동 화에 대한 새로운 경향이 어떠한 것이며 또 앞으로의 전망등을 살펴보기로 한다.

• 한국HCI학회:학술대회논문집
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• 2006.02b
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• pp.646-654
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• 2006

본 연구는 사용자가 캐릭터 에이전트에 대한 신뢰를 높이는데 도움이 되는 메커니즘을 제공하고자 하는 전체연구의 첫 단계로서 모바일이라는 환경에서의 효율적이고 성공적인 캐릭터 에이전트를 위해 사용자가 캐릭터 에이전트에게 가지는 신뢰를 정의하고 이를 구성하는 요소를 제시하는 것을 목적으로 한다. 이를 위해 경영함, 심리학, 인공지능, HCI 등 다양한 분야에서 문헌 연구를 진행하고, 문헌연구의 결과를 토대로 사전설문을 진행하고, 본 설문을 진행하였다. 이러한 방법을 거쳐 신뢰를 구성하는 '1.성격', '2.장기적 관계', '3.이해타산성', '4.업무 처리 능력', '5.호감', '6.의사 수용성', '7.도덕성'의 일곱 가지 차원을 확인하고, 이를 모바일 환경에서 사용자가 캐릭터 에이전트에게 가지는 신뢰의 구성 요소로서 제시하였다.

• Proceedings of the Korea Inteligent Information System Society Conference
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• 2002.11a
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• pp.392-398
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• 2002

사용자와 상호 작용할 수 있도록 애니메이션으로 만들어진 캐릭터는 튜터, 상품 발표 및 어시스턴트 등과 같이 다양한 분야에서 활용될 수 있다. 캐릭터 에이전트를 사용하여 사용자와 상호작용하는 환경을 개발하는 경우에 캐릭터 에이전트를 감성적 에이전트의 성격을 띠는 형태로 정의하고 이 캐릭터를 웹 브라우저상에서 할 수 있는 언어가 필요하다. 따라서 XML 기술을 사용한 스크립트 언어를 통해서 이 문제점을 해결하고자 한다. XML의 장점은 데이터를 구조적으로 기술할 수 있고 각 데이터들을 손쉽게 얻어서 제어할 수 있다. 따라서 XML을 기반으로 스크립트 언어를 사용하면, 추론 과정에서 표현되는 정보를 구조화시키고, 사용자와의 동시 과정에서 정보의 전달이 용이하고 캐릭터를 표현하는데 손쉽게 다를 수 있다. 따라서 본 연구에서는 XML을 기반으로 캐릭터 에이전트를 위한 스크립트 언어를 개발하고 테스트하는데 목적을 둔다.

• Proceedings of the Korea Contents Association Conference
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• 2017.05a
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• pp.63-64
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• 2017

제4차 산업혁명이 시작되었고 한다. 인류가 한 번도 경험하지 못한 새로운 시대가 온다고 하며, 미래 사회의 변화에 전략적 대응 방안이 필요하다고 역설한다. 그럼에도 불구하고 제4차 산업혁명을 명확하게 이해하기가 쉽지 않다. 본 연구에서는 제4차 산업혁명과 세계미래보고서 2055에 있는 단어들의 상호작용 데이터베이스(DB)를 추출하였다. 추출한 DB를 기반으로 상호작용 네트워크를 구축하였다. 네트워크는 멱함수 성격을 가지는 전형적인 사회네트워크를 보여주었다. 제4차 산업혁명 네트워크에서는 제4차 산업혁명, 방법론, 국제안보문제, 사물인터넷, 신소재가 연결계수가 높은 허브 단어였으며, 세계미래보고서 네트워크에서는 인공지능, 메가시티, 자율주행차, 슈퍼휴먼, 텔로미어가 허브단어였다. 추출한 허브 단어를 중심으로 다양한 분야의 콘텐츠와 융합하면 미래세계에 필요한 융합 콘텐츠에 대한 통찰력을 얻을 것으로 기대한다.

• The Journal of Korea Robotics Society
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• v.1 no.1
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• pp.102-106
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• 2006

지능형 서비스 로봇은 인공지능 및 센서인터페이스 등의 다양한 기능과 IT기술의 접목으로 우리의 생활을 윤택하게 해줄 수 있는 인간 지향적인 성격으로 발전하고 있다. 또한 많은 분야에서 새로운 서비스 개발을 통해서 좀더 인간의 생활에 가까이 접근되어 지고 있다. 한편 국내 초등학교에서 초등교사는 학생 수의 과다로 능동적이기 보다는 수동적인 수업을 하고 있어서 학습 효율성이나 능률성이 떨어지고 있다. 이에 본 연구에서는 발전하고 있는 서비스 로봇 기술로 능동적인 수업형태와 자율적이고 창의적인 학습 및 교육서비스를 제공할 수 있는 교사도우미 로봇을 개발하였다. 본 연구에서 개발된 로봇은 기존의 지능형 서비스 로봇과 ICT(Information & Communication Technology) 교육을 접목할 수 있는 로봇의 제반 환경의 구성과 더불어 교육 현장에 알맞도록 HRI 및 시나리오를 기반으로 개발되었고, 로봇의 주요기능은 교사지원, 학습보조, 수업지원 등으로 사전 설문조사를 통하여 필요성이 높은 기능을 중심으로 설정되었다. 개발된 초등학교 지원 로봇은 2006년 10월부터 대전지능로봇산업화센터에서 초등학교 학생을 대상으로 시범수업을 준비하고 있고, 2007년도 중반에는 초등학교에서 시범사업을 추진할 예정이다.

• Journal of Korean Home Economics Education Association
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• v.28 no.3
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• pp.17-32
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• 2016

This exploratory study which applied environmental scanning method to analyse a change in a future society tried to diagnose a reaction ability of our education system for the change in the future society. In addition, the study tried to explore an adequate direction for Home Economics Subject to be an mandatory subject continuously toward the change in the future society. Main changes in the future society can be expected as 1) demographic change due to low birth rate and aging society, 2) an increasing threat of a human living environment due to unexpectable natural disasters and accidents, 3) a radical progress into a ubiquitous computing environment led by AI, 4) an advent of a borderless economic society and a change for jobs, 5) a change in North Korea, and so on. Our education system which mostly concentrates on education to develop constructive intelligence by halving the society and schooling as yet, however, is diagnosed as it has a paradox that can not understand an emotional competency as a target for studying. Home Economics Subject is worth as the subject that can exactly complement a blind spot of our education system which can not respond to the future society adequately. This is because Home Economics Subject has had a characteristic as a 'Subject of Life' traditionally that has dealt with an overall 'life' of human beings, and the characteristic is favorable to develop human practical intelligence. Thus, because the 'life' is the main point of Home Economics Subject, it has the characteristic as a 'Subject of Happiness' which is the most effective method to develop a tendency to appreciate, a sense of empathy, and lots of pro-social behaviors that are important capacities to seek for happiness. As Alderfer's ERG Theory is to understand human beings' behavior based on the satisfactory of human beings' hierarchical desires, it is suggested as an adequate frame for the theory to restructure the characteristic of Home Economics Subject which develops the 'capacity to seek for happiness' by focusing the 'life', into core concept and core capacity of curriculum. A follow-up study should make a connection between ERG Theory and core concept and core capacity of curriculum to explore how the theory can be reflected on Home Economics curriculum.

• Journal of the Korean Institute of Landscape Architecture
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• v.49 no.3
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• pp.29-39
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• 2021

This study interpreted a traditional garden of Korea through reception aesthetics. The 'gap' of acceptable aesthetics is found in the 'distance that occurs between writers and readers'. This study aims to interpret this gap between what the writer intends and what the reader expects. Boundaries do not limit traditional spaces in Korea and, therefore, are not limited by characteristics. These characteristics were studied from the perspectives of the author, the work, and the reader. The aspect first looked at the life and ideas of the gardener, the second analyzed the form and structure of the garden, and the last examined writings, from the past and present, of those who appreciated the garden. From the author's perspective, Sosoewon was understood as a garden that embodied the philosophy of Yang Sanbo. Second, the duality and indeterminateness were recognized as two characteristics of this work; artifacts in the garden were arranged in a natural form, and the gardens have indefinite boundaries, so they can be freely expanded and reduced. Finally, from the reader's perspective, it was noted that the beauty of this garden is enhanced through poetry, painting, and writing. Thus, historic gardens of Korea can be open spaces where the meaning of the garden is enriched through the free participation of viewers based on their own ideas.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.48 no.5
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• pp.355-361
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• 2020

Among these satellites, low - orbit small satellites with military characteristics require multi - target observation, and demand for high-resolution photographs and images is increasing. Fast maneuverability is the most important factor for high-resolution images and multi - target observations. However, in the case of a small satellites, it is possible to perform the attitude maneuver if it has high speed, but the residual vibration occurs when the attitude maneuver is completed and the next attitude maneuver is completed. In this study, to verify the vibration characteristics of the plate generated after attitude maneuver, an experimental fixture for simulating the attitude maneuver was fabricated and tested. In addition, Eddy Current Damper (ECD) using Eddy Current Brake system (ECB) is proposed as a passive damping method using permanent magnet to reduce vibration. A mathematical model was established to apply ECD and it was experimentally implemented according to the magnetic flux density and the air gap of the permanent magnet. One plate of four solar panels (plate) was specified, the residual vibration reduction performance after the test was verified experimentally.