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이화조,주해호,조광익 한국경영과학회 1998 한국경영과학회 학술대회논문집 Vol.- No.1
For the environmental conservation, all the products should be reused by recycled or reusing of material. If we can divide product into parts according to materials, the recycling is esay. The structure and material of parts affects disassembling and recycling procedure significantly. Especially, in case of a complicated structure such as automobile, we should consider disassemblability on the design stage for easy disassemble. However, it is not easy for the designer to judge how well the designed product is environment al friendly. In this paper, we present an assessment tool that the designer can judge disassemblability easily and fast. Because the user puts data of disassemblability and its characteristics and the assessment result displays graphically, they can evaluate the disassemblability easily and design the product s which consider disassemblability.
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이화조,J.P.Boillot 대한용접접합학회 1996 대한용접·접합학회지 Vol.14 No.1
용접은 힘든 작업환경 때문에 심한 인력난을 겪고 있는 3D 업종 중의 하나이 다. 특히 아크용접을 위해서는 숙련된 작업자가 필요하기 때문에 인력난은 더욱 심각 하다. 현장에서 젊은 작업자는 보기 힘들고 대부분의 작업자는 중년이상의 나이이다. 따라서 머지않아 많은 업체들이 인력난으로 조업을 중단해야 할 사태도 우려하지 않을 수 없는 형편이다. 이러한 문제점들을 해결할 수 있는 용접자동화는 최근 많은 관심을 끌고 있으며 이제 세계적인 추세가 되었다. 용접자동화의 이점은 무엇보다도 일정한 수준의 품질과 생산성에서 찾아볼 수 있다. 용접자동화에서는 가공자동화와는 달리 시스템의 자율성이 특히 중요하다. 작업조건의 설정, 용접봉의 위치와 방향 등은 전적 으로 컴퓨터와 센서시스템을 장착한 로봇에 의해 결정되어야 한다. 따라서 작업자들이 용접에 이용하는 각종 지능적인 능력을 습득하고 이를 각종 제어기와 센서로 모방하여 자율적으로 제어하는 인공지능기술을 응용하는 용접을 로봇의 개발에 관한 각종 연구 가 활발히 진행되고 있다.
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Man-Machine Interface Device for Dismantling Factory
이화조,박정환,박면웅,남택준 한국청정기술학회 2017 청정기술 Vol.24 No.3
In dismantling factories for recycling, it is important to input actual working data to a personal computer (PC) in order to monitor the work results and related recycling rate of the inputs. This should be performed with a keyboard, a mouse, or other devices. But when a worker is working in the factory, it could be bothersome or time consuming to go to the PC. Especially, workers who works at dismantling factories have a generally low education level are scared to use a PC, which could be used as a pretext for not using the PC. In some cases, data input is performed by a worker after the day’s job. In this case, it could take additional time, the worker can make more mistakes, and the data could be unreliable. In this study, we developed a man-machine interface (MMI) device using a safety helmet. A joystick-like device, pushbuttons, and a radio frequency (RF) device for wireless communication is equipped in a safety helmet. This MMI device has functions similar to a PC mouse, and it has a long communication distance. RF is used because it consumes less battery power than Bluetooth. With this MMI device, workers need not go to a PC to input data or to control the PC, and they can control the PC from a long distance. The efficiency of PCs in a factory could be increased by using the developed MMI system, and workers at the dismantling factories could have less reluctance in using the PC.
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사회복지조직의 실제채용기준을 반영할 수 있는 채용공고에 대한 탐색적 연구 : 서울·대전지역을 중심으로
이화조,한가영,이옥진,김유신 梨花女子大學校 社會科學大學 社會科學硏究所 2010 사회과학연구논총 Vol.24 No.-
본 연구의 목적은 사회복지조직의 공개 채용공고가 실제채용기준을 얼마나 반영하고 있는지 파악하여 채용공고의 변화가능성을 탐색하기 위함이다. 이러한 목적을 달성하기 위해 2008년 한국사회복지사협회의 채용공고 중 210건의 조직을 표집하여 기초분석을 통해 정보내용을 파악하였고, 서울과 대전의 23개 조직의 기관장을 대상으로 1:1면접을 통해 사례연구를 진행하였다. 분석결과, 실제채용기준은 자원봉사와 실습을 통한 현장경험, 사회복지사 1급 자격증, 지원자와 조직의 비전 일치, 사회복지 마인드, 대인관계 등으로 드러났다. 그러나 이는 채용공고에 제시되지 않거나 질적인 차이를 보였다. The purpose of this study is to understand how an open employment notice has reflected the actual criterions of the recruitment, and to discover a potential for any changes. To achieve this purpose, a systematic random sample of 210 open employment notices was selected from Korea Association of Social Workers in 2008, and a descriptive analysis was conducted. The qualitative research was carried out for the case study with 23 interviewees from social welfare organizations in Seoul and Daejeon. Consequently, the actual criterions of the recruitment included the following elements: social work field practicum and volunteer work, the level one social welfare license, degree of harmony with the vision of the organization, dept of social welfare-oriented mind, and human networks. However, these criterions may not be presented in open employment notices or show that there are qualitative differences between open employment notices and the actual employment criterions.
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이화조,이정애 이화여자대학교 사회복지연구소 2023 사회복지 실천과 연구 Vol.20 No.3
The primary objective of this study is to examine strategies for mitigating adolescent problem behaviors by identifying the various manifestations of internalizing and externalizing issues. Additionally, we investigate whether distinctions in academic attitudes among adolescents are contingent upon the nature of their problem behaviors. Adolescents' problem behaviors can be categorized into two fundamental types: internalizing and externalizing problems. We seek to access how adolescents' academic attitudes fluctuate depending upon these problem behavior types. Specifically, we focus on two academic attitudes: academic helplessness and academic enthusiasm. The findings of this study can be summarized as follows: Adolescents' problem behaviors were segmented into four distinct groups, with the most salient factor distinguishing these groups being involvement in delinquent activities. The problem behaviors of adolescents have been classified into four types: (a) ‘stable type; (b) ‘average type’; (c) ‘high delinquent behavior type’; and (d) ‘low delinquent behavior type.’ Among these groups, academic enthusiasm was most pronounced in adolescents classified as (a) ‘stable type,’ with no statistically significant variance observed among the other three categories. Conversely, academic helplessness was least prevalent in youths classified as (a) ‘stable behavior type’ and most prominent in those identified as (c) ‘highly delinquent behavior type.’ Based on these research findings, we have proposed practical and policy measures relevant to social welfare.
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이화조,주해호,박영찬 영남대학교 공업기술연구소 2000 工業技術硏究所論文集 Vol.28 No.2
In this thesis, a method has been developed to evaluate a disassembly time of a product. Some factors regards to affects disassemblibility are found by experiment and the value of disassembling time of elements and the computation formular are delived by using WF(work factor) method. The evaluated disassembling times are compared with real disassembling times of recyclable products, a desk toy computer case.
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