• 한국중재학회지:중재연구
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• 제27권2호
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• pp.59-81
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• 2017

The purpose of this study is to find a solution to disputes in the process of producing digital music sources. At present, the center of the world music market including the domestic market has been completely transformed from the tangible musical record market to the intangible sound source market. Due to these environmental changes, the music production process becomes industrialized and specialized, causing conflicts of interest among the individuals in the process. First of all, this study examined changes in the music market which is the background of the dispute, identified the problems of the process and suggested solutions while summarizing the meaning and role of each process of producing a sound source that may arise during the sound production process. This study covers plagiarism between producers, copyright infringement of the creator against assistant creator caused by the industrialization and division of the production environment, issues related to the rights of sound engineers whose role and importance become bigger as acoustic technology develops and music genres become more diverse, and vertical hierarchy due to the formation of oligopoly by several distributors with huge capital. As a result of the study, it was concluded that Alternative Dispute Resolution (ADR) system is suitable for solving these problems. Specific methods of using ADR include activation of the dispute settlement system of the Korea Copyright Commission, active use of the arbitration clause specified in the standard contract, and recalculation of labor costs and earnings from copyright through mutual negotiations. This paper can be differentiated from previous studies in that it studied overall problems that might arise in the process of digital music source production and suggested ADR utilization as the solution.

• 한국정밀공학회지
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• 제26권11호
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• pp.124-130
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• 2009

In the multi-stage shape drawing process, the most important aspect for the economy is the correct design of the various drawing stage. For most of the products commonly available round or square materials can be used as initial material. However, special products should be pre-rolled. This study proposes a process design method of multi-stage shape drawing process for producing cross roller guide. Firstly, a standard classification of shape drawing process is suggested based on the requirement of pre-rolling process. And a design method is proposed to design the intermediate die shape. The process design method is applied to design the multi-stage shape drawing process for producing cross roller guide. Finally, the effectiveness of the proposed design method is verified by FE-analysis and shape drawing experiment.

• 품질경영학회지
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• 제24권2호
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• pp.44-53
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• 1996

This paper deals with the problem of selecting optimal wear limit and initial process mean in a wear-out process. Consider a material removal processing machinery where 1)there are deffective items by linear shift in the mean of the diameter of to be processed with varing process variance and 2)there can be any failure in the machine tools or to be processed. In the previous studies, the one is analyzed by 'Model of Producing Goods' in quality control area and the other, any failure, is analyzed by 'Model of Producing Services' in reliability area. We propose a new integrated maintenance model, considering the percent defective and the failure rate. A numerical example for the model is given.

• 대한조선학회논문집
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• 제33권4호
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• pp.124-132
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• 1996

선박 거주구 설계를 예로하여 선박설계에 있어서 업무 부하가 평준화된 최적의 설계일정계획을 도출할 수 있는 일정계획시스템을 수립하여 보았다. 설계일정관리에 영향을 주는 여러 요소들을 찾아 분석하여 최적의 설계일정을 도출할 수 있는 알고리즘을 설계하였다. 계획된 선박의 각 도면작성에 소요되는 시수를 신속하게 추정하기 위하여, 표준선박에 대한 기본 시수를 미리 설정하여 놓고 해당 선박에 대한 난이도를 적절히 적용하는 방법을 사용했다. 여러 도면작업의 진행상의 선후관계를 matrix table로 표현하여 일정표 작성의 전산화를 단순화 하였다. 이 시스템을 전산화 함으로써 계획된 선박에 대하여 그 선박의 특성이 충분히 반영 되어 작업이 평준화된 설계일정계획을 짧은 시간에 얻을 수 있었다.

• 대한안전경영과학회지
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• 제2권4호
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• pp.19-32
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• 2000

Assignable causes producing temporary deviation from the underlying system can influence on process adjustment and process monitoring in dynamic feedback control system. In this paper, the impact of assignable causes on EWMA forecasts and process adjustment which is based on the EWMA forecasts are derived for optimum control methods.

• 한국기록관리학회지
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• 제21권4호
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• pp.81-99
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• 2021

직제분석 업무는 다양한 생산기관에 대한 변천 이력과 주요 업무 기능을 파악하는 과업으로, 영구기록물관리기관 내에서 공통적으로 수행되어야 하는 과업이며 다수의 작업자가 관련 지식을 공동으로 참조해야 한다. 그러나 현업에서는 한정된 수의 담당자가 개별적으로 수작업을 통해 수행하고 있으며 그 결과도 공유되지 않고 있다. 이에 본 연구는 직제 분석 프로세스의 자동화를 통해 기록물 담당자의 업무 부담을 경감시키고 영구기록물관리기관에서 공통으로 활용 가능한 기초 자원을 구축하고자 한다. 영구기록물관리기관의 실무 담당자와 FGI를 수행함으로써 직제분석 업무를 세분화하고 자동화 가능한 부분을 선별하였으며, 이를 실현할 수 있는 방안을 함께 제안하였다. 또한 전자기록관리 과정에서 공통으로 참조 가능한 기초분석자료를 도출하고 그 결과를 실무자를 통해 검증함으로써 효율적인 지식자원 활용 방안을 제시하였다. 나아가 규격화된 업무 프로세스 정립을 통해 일관된 체계적인 업무 수행을 지원하는 기반을 마련하였다.

• Journal of Microbiology and Biotechnology
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• 제4권4호
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• pp.343-348
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• 1994

Enterobacter sp. producing -$\beta$-galactosidase with high transgalactosylation activity was isolated from dairy wastewater. The isolate had common biochemical features to E. aerogenes and E. cloacae. Enzyme production increased as the cell mass increased with optimum enzyme activity of 0.21 Unit/mg-protein (o-nitro-phenyl-$\beta$ -D-galactoside (ONPG) as substrate) until 8 hr of culture. Whole cells permeabilized by toluene were used to produce galacto-oligosaccharide. Optimum toluene concentration, temperature and pH for -$\beta$-galactosidase activity of permeabilized whole cells were 10% (v/v), $50^{\circ}C$ and 6.0, respectively. A maximum of 38% (w/w) of galacto-oligosaccharide was obtained with lactose concentration of 20% (w/w) at $40^\{\circ}C$ and pH 6.0.

• 품질경영학회지
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• 제26권4호
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• pp.65-78
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• 1998

Process capability indices, used to determine whether a production process is capable of producing items within a specified tolerance, have been widely used in process assessments. In this paper, we consider some process capability indices using loss function when process is contaminated normal. Also, we examine some small sample properties related to these estimaters by some simulations.

• 품질경영학회지
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• 제31권2호
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• pp.183-193
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• 2003

A special cause producing temporary deviation in the underlying process can influence on process adjustment in responsive feedback control system. In this paper, the impact of special causes on the EWMA(Exponentially Weighted Moving Average) forecasts and the process adjustment that is based on the EWMA forecasts are derived. For some special causes with patterned type of contamination, the influence of the causes on the output process are explicitly investigated. A data set, contaminated by a special cause of level shift, is analyzed to evaluate the impact numerically.

• 소성∙가공
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• 제20권2호
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• pp.154-159
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• 2011

The roll die forming (RDF) process is a new manufacturing technique for producing gear parts such as clutch drum and clutch hub in automotive transmission. In the RDF process, the material is deformed by a roll installed on a die set. Excellent productivity, low forming load and improved dimensional accuracy have quantitatively been shown to be the benefits of the RDF. In this study, the RDF process is applied to manufacture a clutch hub with a gear shaped part. A finite element (FE) analysis was performed in order to investigate the material strain field and dimension of the final product. Based on the result of the FE analysis, a RDF experiment was performed and the dimensional accuracy of the final product was validated. This work demonstrates that RDF is a process capable of producing a sound clutch hub.