• 대한전기학회논문지:전력기술부문A
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• 제53권3호
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• pp.152-160
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• 2004

A novel UPQC(Unified Power Quality Conditioner), which consists of series inverter, shunt inverter, distributed generation system, is proposed. The proposing system can compensate reactive power, harmonics, voltage sag and swell, voltage interruption etc. through the change of paralleling operation mode and islanding operation mode. The control strategy for the proposing system was derived using the instantaneous power method. The performance of proposing system was analyzed by means of the PSCAD/EMTDC simulation and the experimental work with the hardware prototype. The proposing system has the ultimate capability of improving power quality at the point of installation on power distribution systems or Industrial power systems and can be utilized for the custom power device in th future distribution system.

• 융합보안논문지
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• 제14권7호
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• pp.45-51
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• 2014

IoT시스템 품질확보를 목표로 하는 QoS 관리체계에서 가장 중요한 포인트는 품질 측정체계 설계와 품질평가 제도이다. 본 연구는 IoT시스템 구조와 기능 진단을 토대로 한 핵심품질 측정용 매트릭스 모델 연구이다. 특히 사물인터넷(IoT) 환경의 품질측정에 대한 메트릭스를 개발함으로써 사물 인터넷(IoT) 품질 측정/분석을 위한 기초를 제공한다. IoT시스템 품질평가용 매트릭스는 기능적 요구사항과 품질 요구사항을 하나의 통합 테이블에 기술하여 품질평가를 시행하는 방법이다. 기능적 요구사항과 품질 요구사항을 종합하여 연관성을 평가함으로써 평가 신뢰도와 활용성을 높일 수 있다. 제안된 방법 적용 시 IoT 품질은 신호처리, 프로세싱, 네트워킹 기능 등에서 보다 효율적인 품질확보의 토대가 되고 전체적으로 지연을 줄이면서 QoS를 향상 시킬 수 있다.

• 산업경영시스템학회지
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• 제41권3호
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• pp.50-60
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• 2018

The use of Project Management Information System (PMIS) is increasing in project management industries such as construction, defense, manufacturing, software development, telecommunication, etc. It is generally known that PMIS helps to improve the quality of decision making in project management, and consequently improves the project performance. However, how much and which parts of project management performance are affected by PMIS still need to be studied further. The purpose of this study is to investigate the impact of PMIS quality on project management performance. We collected data from various project based industries such as construction, defense, manufacturing, software development and telecommunication by using survey questionnaire. PMIS quality was measured in three dimensions. They are system quality, information quality and service quality. Project management performance was measured in nine variables such as time reduction, work accuracy, cost management, etc. Statistical analyses such as multiple regression were used to analyze the data. The results showed that PMIS quality had significant impacts on the project management performance and user satisfaction. It was notable that only two dimensions out of the three PMIS quality dimensions, system quality and information quality, affected the project management performance. Also, it was found that PM performance played a mediating role between PMIS and user satisfaction, and between PMIS and reuse intention. The contribution of this research is that it helps to clarify what aspects of PMIS affect the project management performance and user satisfaction.

• 한국한의학연구원논문집
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• 제6권1호
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• pp.59-68
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• 2000

The purpose of this study is to encourage the circulation of good quality of oriental medicine and to improve national welfare. Investigation for the induction of quality inscription system was conducted by mail and interview. The data were analyzed by SAS. The major results were as follows: The portion of subjects agree to necessity of quality inscription was 78.5%. In the question of side effect against quality inscription, the rate of negative was 67.7%. The responses answered that the necessity of quality inscription was not economical profit but authority of knowledge and improvement on health(37.8%), established market for herbal medicine(34.7%) and effect of clinical care(23.9%), respectively These results might be useful information for establishing of quality inscription system for herbal medicine.

• 품질경영학회지
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• 제39권4호
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• pp.516-526
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• 2011

The AS9100 standard builds upon the ISO 9001:2000 quality management system requirements(in their entirety) and defines additional quality management system requirements for the aerospace industry. The 9100 standard on quality management system requirements is intended to be used at all levels of the supplier chain. The International Aerospace Quality Group has released a revision to 9100 for the aviation, space and defense industries. This change aims at improvement on quality, schedule and cost performance by adopting new requirements based on stakeholders' needs. This paper is to review how the AS9100 QMS Requirement has been established and improved, and to communicate the significant changes from AS9100, Rev. B to Rev. C focusing on reasons for revisions. The proposed schedule and considerations on the transition of the changes to Rev. C are also dealt with in this paper.

• 한국산학기술학회논문지
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• 제11권4호
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• pp.1449-1457
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• 2010

침입방지시스템 솔루션은 차세대에 각광받는 보안시스템으로 국내 외 시장에서 매우 활발한 보안 분야 시장을 형성할 것으로 전망된다. 아울러 국제 시장에 진출하고자 하는 국내 업체들은 검증된 제품임을 증명하는 품질 평가를 요구하고 있으며, 일반 사용자들도 검증된 제품을 선호하고 있다. 본 연구에서는 침입방지시스템 솔루션이 갖추어야할 보안성 품질평가 항목을 도출하여 분석을 통해서 품질평가항목을 세분화하고 침입방지시스템에 대한 보안성 품질평가 모델을 구축하였다. 도출된 품질평가 모델은 침입방지 시스템의 품질을 평가하고 향상시키는데 중요한 역할을 하게 된다.

• 품질경영학회지
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• 제24권2호
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• pp.113-127
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• 1996

A various quality data are produced during nuclear fuel fabrication. In order to control quality data efficiently, Computerization of Quality Information System(QIS) using personal computer was established. Database control software and analysis software were developed for QIS. QIS was applied the fuel manufacturing and quality inspection. Quality trend analysis, process control, process capability and quality history docket for nuclear fuel manufacturing were performed by QIS. Through the Quality Information System, quality assurance, quality control, process control and manufacturing engineering were performed efficiently in nuclear fuel manufacturing.

• 품질경영학회지
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• 제50권1호
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• pp.1-19
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• 2022

Purpose: The purpose of this study is to design a system for quality management and improvement of overall public services. Methods: Literature Review, Framework Design Method, Case Studies Analysis Results: Public Service Quality Management Principles, Definition of Public Services Quality Management Areas, Quality Management Guidelines, Service Quality Management Tools Conclusion: In this study, a study case of the public service quality management framework, which is a system that supports overall quality management and continuous quality improvement of public services, is presented. The management system was designed based on the existing research results and domestic and foreign cases of public service standardization, targeting the entire public service.

• 한국비블리아학회지
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• 제20권4호
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• pp.191-204
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• 2009

데이터베이스 시스템의 사용자 만족과 품질 관리를 위해서는 사용자 요구사항 및 품질 특성의 정확한 이해와 함께 적절한 품질 측정과 평가가 필수적이다. ISO 25000 시리즈를 기반으로 1차 연구에서 도출된 데이터베이스 시스템 품질 평가 모델에서는 5가지 주품질특성과 이에 따른 21가지 부품질특성, 48개의 내부품질특성의 3단계 계층구조를 제시하였다. 주품질특성, 부품질특성, 내부품질에 대한 우선순위(상대적 가중치) 부여 방법에 대한 연구는 일부 있으나 품질 모형을 데이터베이스 시스템 산업현장에서 직접 사용하는 것은 쉽지 않다. 또한 품질평가를 위한 시간과 비용을 고려할 때 48개 내부품질특성을 모두 평가한다는 것은 현실적으로 거의 불가능하며 데이터베이스 시스템에서 요구되는 무결성 수준에 따라 품질평가의 수준도 다르다. 본 연구에서는 다목표의사결정기법의 하나인 AHP(Analytical Hierarchy Process)기법을 이용하여 데이터베이스 시스템 품질특성을 가중치에 따라 선정하는 방법을 제시하고 이를 통해 품질모형의 현실적인 적용 가능성을 제공할 수 있다.

• 디지털융복합연구
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• 제7권2호
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• pp.13-20
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• 2009

Most recently, development and publication of the ordinance and the manual of policy quality management is spreading the recognition of quality control in the public sector. The purpose of this study is to introduce the system of quality control for local government's policy. So we suggested lessons drew from the case study(Daegu metropolitan city, Gumi city) on current introduction. To successfully introduce the system of quality control for local government, we have to gain agrement for the new system, of introduction, secondly prepare the new system, lastly manage PQM with flexibility.