• 제목/요약/키워드: Design Assurance

검색결과 357건 처리시간 0.026초

AOQL제약하 생산공정의 경제적 샘플링검사방식 설계 (A Design of Economic Sampling Inspection Plan for Production Process with AOQL Constraint)

  • 박명규
    • 산업경영시스템학회지
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    • 제21권46호
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    • pp.119-125
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    • 1998
  • In this study, a traditional concept of sampling inspection plan for the quality assurance system is extended to a consideration of economic aspects in total production system by representing and analyzing the effects between proceeding / succeeding production process including inspection. This approach recognizes that the decision to be made at one manufacturing process (or assembly process) determine not only the cost and the average outgoing quality level of that process but also the input parameters of the cost and the incoming quality to the succeeding process. By analyzing the effects of the average incoming and outgoing quality, manufacturing / assembly quality level and sampling inspection plan on the production system, mathematical models and solution technique to minimize the total production cost for a single product manufacturing system with specified average outgoing quality limit(AOQL) are suggested.

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정보보호 서비스를 위한 보안평가 시스템 설계 (Design of the Security Evaluation System for Internet Secure Connectivity Assurance Platform)

  • 김상춘;현정식;이종태;손승원
    • 한국데이타베이스학회:학술대회논문집
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    • 한국데이타베이스학회 2000년도 추계학술대회 E-Business와 정보보안
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    • pp.269-279
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    • 2000
  • 인터넷의 발달로 정보보호에 대한 인식이 증가하면서 정보보호 서비스를 제공하기 위한 연구 및 개발의 필요성이 증가하고 있다. 정보보호 서비스를 제공하기 위하여 개발되고 있는 시스템은 일반적인 시스템보다 보안성 유지의 필요성이 훨씬 중요하기 때문에 이러한 시스템의 안전성을 평가하는 기술은 매우 중요하다. 그러나 아직까지 정보보호 서비스를 제공하는 시스템에 대한 안전성을 평가하는 기술이나 연구는 전무한 실정이다. 본 논문에서는 IP 레벨에서의 정보보호 서비스를 제공하기 위하여 개발되고 있는 인터넷 패킷보호 보증플랫폼에 대한 보안성을 평가하는 시스템을 설계하기 위하여 이 시스템에서 제공하는 정보보호 서비스와 이러한 서비스가 정상적으로 제공되고 있는 지를 평가하기 위한 보안평가 시스템을 설계한다.

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A Document-Driven Method for Certifying Scientific Computing Software for Use in Nuclear Safety Analysis

  • Smith, W. Spencer;Koothoor, Nirmitha
    • Nuclear Engineering and Technology
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    • 제48권2호
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    • pp.404-418
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    • 2016
  • This paper presents a documentation and development method to facilitate the certification of scientific computing software used in the safety analysis of nuclear facilities. To study the problems faced during quality assurance and certification activities, a case study was performed on legacy software used for thermal analysis of a fuelpin in a nuclear reactor. Although no errors were uncovered in the code, 27 issues of incompleteness and inconsistency were found with the documentation. This work proposes that software documentation follow a rational process, which includes a software requirements specification following a template that is reusable, maintainable, and understandable. To develop the design and implementation, this paper suggests literate programming as an alternative to traditional structured programming. Literate programming allows for documenting of numerical algorithms and code together in what is termed the literate programmer's manual. This manual is developed with explicit traceability to the software requirements specification. The traceability between the theory, numerical algorithms, and implementation facilitates achieving completeness and consistency, as well as simplifies the process of verification and the associated certification.

Modal Testing을 이용한 자동차 배기계의 유한요소 모델 검증 (Verification of the Finite Element Model of an Automotive Exhaust System Using Modal Testing)

  • 조민호;정해일
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2001년도 추계학술대회논문집 II
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    • pp.665-670
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    • 2001
  • The purpose of this paper is to verify a finite element model of an automotive exhaust system using Modal testing. In general, a lot of finite element models are used in initial design step of automotive development. One of them is a finite element model of an exhaust system. Verification on the finite element model of an automotive exhaust system is indispensable. In this paper, a finite element analysis on the exhaust system using MSC/NASTRAN is carried out, and the results are compared with those obtained by modal testing. By comparing MAC values of the analytical modes with the experimental modes, the finite element model of the automotive exhaust system is verified.

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항공기용 임무 통제 컴퓨터(General Avionic Computer)의 품질인증시험절차 수립에 관한 연구 (Study of the Qualification Test Procedure for the General Avionic Computer for Aircraft)

  • 조장현
    • 한국산업융합학회 논문집
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    • 제4권2호
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    • pp.119-125
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    • 2001
  • This paper discuss the Qualification Test Procedure which is composed of main functional and environmental tests for the localizing avionics and subsystems, especially the detail test approaches of General Avionics Computed(GAC) through the analysis of related technical data packages for the purpose of performance proof of final products. Quality assurance procedures are properly established with the several kinds of inspections and functional test items. They are called as process inspections, functional test, acceptance test procedure and qualification test procedure. The Qualification test procedure are composed of the analysis of original engineering design concept and shall be performed for the acquisition of the certification of the GAC's quality as well as the aquisition of the related techniques and engineering know-how items.

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정보통신기기의 품질차원에 관한 연구 (A Study on the Dimension of Quality of Telecommunications)

  • 손은일
    • 산업융합연구
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    • 제1권2호
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    • pp.3-15
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    • 2003
  • Many researches have concluded that product advantage or superiority is the most important factor for the commercial success of new products. However, the specific dimensions of product advantage have not been studied as yet. In order to know what kind of product attributes have been major determinants of commercial success, telecommunications winning products from 1985 to 1997 in the Korean market were examined. As results of the analysis, the determinants are classified into function, aesthetics, economy, safety, usability, reliability, brand image, assurance, distribution channel, advertisement, DEF(design for the environment). This study augmented the data set through questionnaire survey to marketing professor in University. The results will be a cue to future of new product development.

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Saudi Universities Electronic Portals: A Case Study of Northern Border University

  • Al Sawy, Yaser Mohammad Mohammad
    • International Journal of Computer Science & Network Security
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    • 제21권2호
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    • pp.103-109
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    • 2021
  • The study aimed to analyze the current situation of the electronic portal of the Northern Border University, in terms of content and components, the extent of quality of use, service assurance and integrity, linguistic coverage of objective content, in addition to assessing the efficiency of the Blackboard e-learning platform and measuring the degree of safety of the portal, in addition to measuring the extent of satisfaction, through a sample that included 135 faculty members, as the researcher was keen to apply the case study methodology with the use of the questionnaire as the main tool for measurement, and the study found that there is an average trend among faculty members in the degree of content for the components of the portal and electronic security While it rose to good use, and very good at using the Blackboard platform.

An Autonomous Operational Service System for Machine Vision-based Inspection towards Smart Factory of Manufacturing Multi-wire Harnesses

  • Seung Beom, Hong;Kyou Ho, Lee
    • Journal of information and communication convergence engineering
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    • 제20권4호
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    • pp.317-325
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    • 2022
  • In this study, we propose a technological system designed to provide machine vision-based automatic inspection and autonomous operation services for an entire process related to product inspection in wire harness manufacturing. The smart factory paradigm is a valuable and necessary goal, small companies may encounter steep barriers to entry. Therefore, the best approach is to develop towards this approach gradually in stages starting with the relatively simple improvement to manufacturing processes, such as replacing manual quality assurance stages with machine vision-based inspection. In this study, we consider design issues of a system based on the proposed technology and describe an experimental implementation. In addition, we evaluated the implementation of the proposed technology. The test results show that the adoption of the proposed machine vision-based automatic inspection and operation service system for multi-wire harness production may be considered justified, and the effectiveness of the proposed technology was verified.

품질 지향적 CIM시스템 개발에 관한 연구 (제1부:Freamwork) (A Study on the Development of a Quality-Driven CIM System (part l: Framework))

  • 강무진
    • 한국정밀공학회지
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    • 제13권12호
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    • pp.63-69
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    • 1996
  • As the significance of quality in the sense of customer satisfaction is growing, the management of quality becomes one of the main interests in the manufacturing systems research. This paper presents the concept of quality-driven CIM(Computer Integrated Manufacturing) system which is composed of a business process domain and a quality domain. In the business process domain, business functions are integrated by conventional design and manufacturing databases on the one hand, and an integrated quality system is interlinked to them via several quality modules on the other hand. Quality information model connects the business process domain with the quality domain where various types of quality data are stored in the form of quality database. This framework helps a manufacturing enterprise to implement the quality-driven CIM system to achieve its final objective "customer satisfaction".ion".uot;.

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APQP와 DFSS를 연계한 자동차부품연구개발 단계에서 품질보증에 관한 연구 (A Study on Quality Assurance in Auto-parts Research & Development Stage with APQP and DFSS)

  • 이강인;김재휴
    • 품질경영학회지
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    • 제39권1호
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    • pp.131-140
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    • 2011
  • Today, due to the global recession car sales have been decreased rapidly and auto makers are competing continuously to expand their market share. Automakers are struggling in order to secure competitive cost and quality through continuous cost reduction and quality innovation activities to win in the competition. In this situation, auto parts makers are trying to reinforce price competitiveness by reducing COPQ (Cost Of Poor Quality) in the mass production stages by securing the quality of components in advance from the design stage through DFSS (Design For Six Sigma) activities which is 6 sigma approach in the R&D field. However, auto parts makers have been undergone various confusion, feeling difficulties to get interrelationship among various activities. Thus, this study is going to suggest approach method for much more effective R&D activities by securing interrelationship between ISO/TS 16949 system established in the auto parts industry and DFSS activities.