• Title/Summary/Keyword: Defect Prevention Process

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The ISO/TS16949 the research regarding the application instance of the development technique for a APQP zero defect attainment (ISO/TS16949 APQP Zero Defect 달성을 위한 개발기법의 적용사례에 관한 연구)

  • Moon, Chan-Oh
    • Management & Information Systems Review
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    • v.22
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    • pp.211-229
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    • 2007
  • The ISO/TS16949 APQP goal of defect prevention and decrease of spread waste, is the customer satisfaction which leads a continuous improvement and profit creation. The quality expense where the most is caused by but with increase of production initial quality problem occurrence is increasing to is actuality. Like this confirmation amendment. with the problem which is forecast in the place development at the initial stage which it does completeness it does not confront not to be able, production phase to be imminent, the problem accumulates and it talks the development shedding of which occurs. In opposition, prediction confrontation. is forecast in development early stage to and it is a structure which does not occur a problem to production early stage. Like this development is a possibility of accomplishing competitive company from production phase. Which attains an goal of, chance cause it leads a APQP activity (common cause) with special cause prevention & detection the connection characteristic of the focus technique against a interaction is important. And the customer requirement satisfaction and must convert a APQP goal of attainment at the key characteristics action step. (1) The Prevention - with Design FMEA application prevention of the present design management/detection, (2) the Detection (prevention/detection) - with Process FMEA application prevention of the present process control/detection, (3) Special Cause - statistical process control (SPC) 4M cause spread removal, (4) Common Cause - statistical process control (SPC) the nothing zero defect which leads the continuous improvement back of spread with application it will be able to attain with application.

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Study of the Improvement Measurement of Test project through Software Defect trend analysis (소프트웨어 결함 추이분석을 통한 테스트 프로젝트 개선방안에 대한 연구)

  • Jang, Jin-WooK
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.1
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    • pp.691-696
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    • 2015
  • The interest in software defects is growing. Companies are working on reducing them by various ways with a software development part, customer service part and quality management part. The defect data collected from them will be analyzed according to the condition and purpose to minimize the defect, and it will contribute to improving the quality of products. This study analyzed the software defect progress for companies based on the test maturity model, and set up the defect preventing process. They were applied to the project, and the number of defects decreased from 106 to 16. This study focused on the existing defect, which is a basic requirement for software quality management, and have importance by presenting a way to improve the software product quality with minimum resources.

A Study for Process Improvement by State Analysis of Risk Items (위험요소의 상태분석에 의한 프로세스 개선에 관한 연구)

  • Lee, Eun-Ser
    • The KIPS Transactions:PartD
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    • v.15D no.4
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    • pp.523-530
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    • 2008
  • There are many defects that cause the process improvement of lifecycle problems during software development. This paper propose the management method of risk items that removes and manages the lifecycle problems as well. For the similar projects, we can estimate defects and prepare to solve them by using domain expert knowledge and the state analysis of defect items, which can greatly improve the software process. This research provides solution of management of risk items problem and detection of defect transition and its prevention and causes that happen on software development. Also, In this paper propose to making quantity of degree and transition phase.

Nexus based Quality Inspection Support Model for Defect Prevention of Architectural Finishing Works (하자예방정보 넥서스 기반 건축마감공사 품질점검 지원 모델)

  • Lee, Hye-Rin;Cho, Dong-Hyun;Park, Sang-Hun;Koo, Kyo-Jin
    • Korean Journal of Construction Engineering and Management
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    • v.18 no.5
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    • pp.59-67
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    • 2017
  • At the completion of the construction, various finishing processes are concentrated. This imposes a burden on the on-site manager and imposes on experience based quality control, thereby causing deviations in the quality of construction depending on supervisor or worker's individual competence. In addition, the information related to quality control is frequently scattered in various types of documents such as specifications and drawings, and checkpoints are frequently omitted. It is necessary to provide a tool that can effectively provide the practitioner before or during the inspection work by systematically storing the information related to the defect prevention and linking them in a mutually referential state. This paper proposes an quality inspection support model that can systematically store necessary information on activity or room basis for the quality check of the apartment house finishing work. Establish a defect prevention information base and a information nexus by linking specifications, design standards, checklists, regulations, defect cases, and drawings to the finishing process and the rooms. Based on this, information registration and search interface are presented. It can contribute to securing a certain level of construction quality or more by suggesting a frame that can be utilized by linking various defects prevention information with the focus on closing activity and room.

A Study on the Flow Control Forming Process and Experiment Device of Drum Clutch for Automatic Transmission (자동변속기용 드럼클러치의 유동제어 성형공정 및 실험장치 개발 연구)

  • Park, Jong-Nam
    • Journal of the Korean Society of Manufacturing Process Engineers
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    • v.12 no.6
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    • pp.69-76
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    • 2013
  • This paper presents the development of the FCF method for the manufacturing of final products using numbers related to the minimum amount of work. The utilized product is a drum clutch, which is part of the transmission of an automobile. A double acting press is secured first and a prediction of the forming load on the practical material is made through an experiment with a plasticine model. Also, a finite element simulation using product shape and properties is performed, as well as a press experiment. A double acting press is manufactured that is suitable for a double acting experiment with a conventional hydraulic press(200 tons). A peripheral device for the press is additionally designed for experimental purposes. And, the press has as its essential points the drive speed, stroke control, etc., all of which influence the forming and is modified. Especially, a laser system is used for velocity measurement of two punches. The forming load of a practical material is predicted in order to derive a forming load formula for cold conditions on the basis of approximate similarity theory. Finite element analysis of the relative velocity ratio(RVR), etc., for most suitable flow defect(unfilling, etc.) prevention is achieved as well. The results are verified through a press experiment.

Approach to Method of Process Failure Mode and Effect Analysis for Construction Industry (건설업에서의 시공FMEA적용 방안 연구)

  • Kim Yoon-Sung
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • autumn
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    • pp.271-274
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    • 2002
  • The aim of FMEA method which is already generalized in the industry engineering is to grasp a possibility that defect forms will appear. And it is a means of prevention step to let person remove obstacles which have an influence on customers beforehand in order. The two parts of FMEA are Design FMEA which we prepare in an early stage and Process FMEA which we prepare in time previous to mass production. This Study apply Process FMEA to execution fields of the construction industry.

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A Study on Defect Prevention for Process Improvement based on CMMI (CMMI기반 프로세스 개선을 통한 장애 예방 연구)

  • Bae, Jang-Jun;Park, Seung-Hyun
    • Proceedings of the Korea Information Processing Society Conference
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    • 2006.11a
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    • pp.527-530
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    • 2006
  • 오늘날 많은 기업들이 납기 단축, 비용 절감 및 효율적인 프로세스 관리 등을 위해 소프트웨어 프로세스 모델 및 표준을 도입하고 있다. 이러한 표준들은 유지보수 과정에서 빈번하게 발생하는 장애를 혁신적으로 감소시켜 안정적 서비스 제공을 한다. 본 논문에서는 CMMI에서 요구되는 프로세스를 좀 더 자세히 체계화하여 CMMI 인증을 받은 금융회사의 장애분석을 통하여 장애의 원인들을 파악하고 이에 대한 개선된 프로세스를 제안하고자 한다.

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EFFECTS OF Si, Ge PRE-IMPLANT INDUCED DEFECTS ON ELECTRICAL PROPERTIES OF P+-N JUNCTIONS DURING RAPID THERMAL ANNEALING

  • Kim. K.I.;Kwon, Y.K.;Cho, W.J.;Kuwano, H.
    • Journal of the Korean Vacuum Society
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    • v.4 no.S2
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    • pp.90-94
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    • 1995
  • Defects introduced by Si, Ge preamorphization and their effects on the dopant diffusion and electrical characteristics. Good crystalline quality are obtained after the annealing of Ge ion double implanted samples. The defect clusters under the a/c interface are expected to extend up to the deep in the Si ion implanted samples. The dislocation loops near the junction absorb the interstitial Si atoms resolving from the defect cluster and result in the prevention of enhanced boron diffusion near the tail region of boron profile and show good reverse current charactristics.

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A CASE REPORT OF ORBITAL FLOOR RECONSTRUCTION WITH TEMPORAL MUSCLE-CORONOID PROCESS FLAP (측두근-오훼돌기 피판을 이용한 안와저의 재건 예)

  • Lee, Sang-Chull;Kim, Yeo-Gab;Ryu, Dong-Mok;Choi, Jae-Yong
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.15 no.1
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    • pp.1-6
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    • 1993
  • The maxillary squamous cell carcinoma is major part of maxillary malignant tumor. The treatment of maxillary malignancy tumor is the maxillectomy in combination with radiation therapy and chemorherapy. When tumor invasion is occured to the orbit, orbital exenteration is required. But if the periosteum of the orbital floor is intact, the orbit can be preserved. There are many orbital floor reconstruction materials for the prevention of ptosis of the orbital content. The patients on this paper were diagnosised as squamous cell carcinoma on maxilla, we performed the partial maxillectomy including the orbital floor, and we used temporalis muscle-coronoid process flap for the reconstruction of the orbital floor after partial maxillectomy and obtained good esthetic and functional results, as followed. 1. We obtained sufficient flap width for defect of orbital floor. 2. It permits good blood supply and no necessary other donor site. 3. It gives a solid base for the support the globe and the orbital floor. 4. It gives minimal postoperative morphorogical defect and functional disturbance.

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Product Liability Prevention by ISO9001:2000 Quality Management System (제조물책임(PL) 대응방안으로의 ISO9001:2000 품질경영시스템)

  • 최성운;이락구
    • Journal of the Korea Safety Management & Science
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    • v.2 no.2
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    • pp.57-69
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    • 2000
  • Beginning from July. 2000, the product liability of Korea is designed for reduction of customer loss by defective products. Therefore, most of company are supposed to be ready for taking care of safety and quality of products. ISO9001:2000 quality management system reform to emphasize continual improvement of the process with customer satisfaction. First of all, this paper start with introduction motive of the product liability and examine distinctive mark of the ISO9001:2000 quality management system. We consider the correlation between ISO9001:2000 quality management system and product liability and would like to propose product liability prevention by ISO9001:2000 quality management system with classification a defect style of product, the management guide and the law case.

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