• Title/Summary/Keyword: 품질관리상

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Development of Water Profile Visualization Method for Water Level Data Quality Management (수위자료의 품질관리를 위한 수위의 공간적 변화 시각화 기법 개발)

  • Park, Hee-Seong;Cho, Herin;Kim, Hyoungseop
    • Proceedings of the Korea Water Resources Association Conference
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    • 2015.05a
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    • pp.505-505
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    • 2015
  • 수위자료는 유량을 판단하기 위한 기초적인 수문자료이다. 하지만 관측자료는 항상 오류 가능성이 있으므로 이에 대해 지속적인 품질관리가 요구된다. 일반적으로 수위자료는 단일 지점에서 시간에 따라 수집되므로 시간에 따른 변화 등을 이용하여 수위자료의 오류 여부를 판단한다. 하지만 실제 수위자료는 상류와 하류가 공간적으로 연결되어 있으므로 상 하류의 관계를 비교함으로써 수위자료의 오류 여부를 판단하는 것도 가능할 것이다. 이에 본 논문에서는 하천의 수위자료를 해발수위 자료로 변환하여 하구로부터의 거리를 이용해 도시함으로써 수위 프로파일을 시각화하고 그 변화를 고찰함으로써 수위자료의 시공간적인 변화를 이용해 수위 오류를 찾을 수 있는 시각화 기법을 개발하였다. 그림 1에서 보는 것과 같이 각 관측소 수위의 정상 경사와 역 경사를 시간별로 구분하고 이를 연속적으로 추적함으로써 수위자료의 오류와 수위관측소 제원 정보의 오류 등을 찾는데 도움을 줄 수 있으며, 수위자료에 대한 향상된 품질관리를 가능하게 할 것이다.

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특집 / 2003년도 상반기 우수 데이터베이스 선정

  • Korea Database Promotion Center
    • Digital Contents
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    • no.8 s.123
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    • pp.46-47
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    • 2003
  • 한국데이터베이스진흥센터는 지난해부터 정보통신부의 지원을 받아 데이터베이스 품질평가 사업을 추진하고 있다. 정부나 기업에서는 데이터베이스 구축을 위해 매년 1,000억원 이상을 투입하는데 반해, 지속적인 사후 품질관리가 제대로 이루어지지 못해 이용자들의 불만을 사왔다. 이에 한국데이터베이스진흥센터에서는 우수한 데이터베이스의 제작. 유통 기반을 조성하고 체계적인 데이터베이스 품질관리를 유도하기 위해 데이터베이스 품질평가 모델을 개발, 보급하고 있다.

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Response Calibration for Bridges based on Statistical Quality Control Chart (통계적 품질 관리도에 기초한 교량의 응답 보정)

  • Hwang, Jin Ha;An, Seoung Su;Kim, Ju Han
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.33 no.1
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    • pp.61-70
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    • 2013
  • This paper presents the response calibration method based on quality control range, which is established from the concept and method of statistical quality control for natural frequency ratio and response ratio. To this end, statistical analysis including descriptive statistics analysis, normality test, ANOVA were performed for response characteristics obtained from loading tests and structural analysis for more than hundred and thirty well-conditioned bridges. Suggested method is based on real structural integrity evaluation case studies and statistical quality control approach, in this respect it is expected to provide scientific criteria and systematic procedure for response calibration and load carrying capacity assessment.

Developement of GPS Data Quality Control Program (GPS 데이터 품질관리 프로그램의 개발)

  • Yun Hong-Sic;Lee Dong-Ha;Lee Young-Kyun;Cho Jae-Myung
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.24 no.1
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    • pp.9-18
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    • 2006
  • This paper describes a new program called GPS_QC needed to check the quality of GPS observations before post-processing so that the surveyors can be improved the precision of GPS data analysis. The GPS_QC was designed to calculate the quality control (QC) parameters such as data gaps, cycle slips, low elevation angle, inonspheric delay, multi-path effects and DOP etc, within the period of GPS observation. It can be used to read and calculate the QC parameters from RINEX files. This program gives users brief statistics, time series plots and graphs of QC parameters. The GPS_QC can simply be performed the quality checking of GPS data that was difficult for surveyors in the field. It is expected that we can be improved the precision of positioning and solved the time consuming problem of GPS observation.

Suggestion for Integrated Process Quality Control for Facility Management of Smart City at Construction Stage (Smart City 시공단계 시설물 통합품질관리 프로세스 제안)

  • Park, In-Woo;Kim, In-Han;Choi, Jung-Sik
    • Journal of the Korea Institute of Building Construction
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    • v.16 no.6
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    • pp.535-544
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    • 2016
  • Korean government is promoting "K-Smart City" to overseas market which is an integrated solution of construction industry with ICT(Information and Communciations Technologies) industry. Due to nature of Smart City, construction quality and the development quality of the facilities need to be established to improve the overall quality. However, guidelines and regulations to initiate quality control for Smart City are behind the actual demand. This deficiency is bringing quality control for construction and ICT to be controlled separately causing lack of synergy and resulting in overall quality degradation. This research is designed to improve the construction quality of Smart City during its establishment stage by integrating ICT system with on-site construction (Integrated control center and on-site equipment). The adoption of this research to a real Smart City case had resulted in 22% reduction of construction inspection failure (Audit), and also allowed Construction Company to pre-align quality control of all purchased items of ICT Infra that resulted in 18% reduction of nonconformity, thus contributing to an overall quality improvement. This research is expected to be used widely among all construction industry of Smart City.

Business Process Improvement of Defect Management in Apartment Housing Project (공동주택 하자관리 업무프로세스 개선)

  • Oh, Jung-Hwan;Song, Young-Woong;Choi, Yoon-Ki;Lim, Hyoung-Chul
    • Korean Journal of Construction Engineering and Management
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    • v.10 no.5
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    • pp.16-27
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    • 2009
  • Recently construction companies expand position for apartment house in construction market because of house supply rate increase and its amount. In addition, because the focus of house sale market has moved to customer from supplier, the importance of defect management is being issued currently. However, current apartment defect management is not satisfied with customer's demand for the lack of business process management, management organization, information feedback, and readiness for defect in construction phase. To solve this problem, this study proposed business process management improvement model for defect management. Proposed improvement model make information feedback, defect management business quality improvement, and improper process improvement through integrating defect management and quality management. It is expected to contribute to customer's satisfaction improvement and reliance improvement for construction companies.