• 산업경영시스템학회지
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• 제22권53호
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• pp.99-109
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• 1999

The International Organization for Standardization(ISO) is a worldwide federation of national standards bodies. Through ISO Technical Committees(TC), various International Standards are being carried out. Each member body interested in a subject for which a TC has been established has the right to be represented on that committee. ISO collaborates closely with the International Electro-technical Commission(IEC) on all matters of electro-technical standardization. ISO established the ISO 9000 Family standard in 1987, and International Standard ISO 9000-3 was worked by ISO/TC 176, Quality management and quality assurance, Subcommittee 2(SC 2), Quality systems, in accordance with the ISO/IEC Directives, Part 3: 1997 Rules for the structure and drafting of International Standards, Many organizations have applied the ISO 9000-3 for their quality system standard in the software sector. That means that ISO 9000-3: 1991 and ISO 9000-3: 1997 have been used successfully by the software industry as the internationally accepted interpretation of ISO 9001 for the development and maintenance of computer software. Additionally ISO 9000-3: 1997 involved how the software life cycle processes defined in ISO/IEC 12207: 1995, Information Technology - Software Life Cycle Processes related to the requirements of ISO 9001:1994. After having performed full reviews of the WD3, CD1, CD2 and DIS drafts of the future ISO 9001:2000, this document will partly replace the part of ISO 9000-3: 1997 for measurement analysis and improvement of quality management system in computer software industry, as an interpretation for organizations and certification bodies, which will be withdrawn when ISO 9001:1994 is replaced by ISO 9001:2000,.

• 정보보호학회논문지
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• 제25권4호
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• pp.793-805
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• 2015

현대의 자동차는 안전필수(Safety Critical) 시스템이기 때문에 차량의 안전성을 보장하는 것은 물론 초 연결사회를 지향하는 사물인터넷 기술의 발전과 자동차의 스마트화 됨에 따른 자동차 보안문제가 대두됨에 따라 자동차 소프트웨어와 공급망에서의 보증 방안과 공급망에서 발생할 수 있는 위험을 식별, 평가 및 통제하기 위한 위험관리 방안이 필요하다. 본 논문에서는 자동차 Life-Cycle 내에서 이해관계자 별 위험관리(A-SCRM, Automotive Supply Chain Risk Management) 방법을 연구 제안한다.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2007년도 춘계학술대회 논문집
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• pp.1244-1249
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• 2007

Pursuing sustainable development throughout society and industry and the field of environmental policy, each international organization or nation has performed international standardization projects on environmental management activities for their system as well as environmental assessment for a product such as life cycle assessment (LCA) and life cycle inventory database (LCI DB), and the environmental aspects have been increasingly demanded as crucial evaluation specifications. Moreover, the conventional environmental policy, which represents the direct-control, has been more dependent on the market forces and product itself after the Climate Change Convention., and the Integrated Product Policy (IPP, EU) is applied vigorously to strengthen global competitiveness of a product and to achieve the effect of environmental improvement for it. According to change of the international railway market, the value of Eco-Design has been increasingly important in developed countries including EU. Thus, each country is establishing its own guidelines, software and database for each product, and developing new policies through Eco-Design with practical results in marketing. To react this and develop Korean railway as an environment-friendly industry with priority to other transportation system as well as maintain high place in technology, the direction of RACE software development of main function is introduced, which is exclusively used for EMU to assess both environmental and economic aspects with LCA and eco-efficiency (EE).

• 한국인터넷방송통신학회논문지
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• 제11권4호
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• pp.147-156
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• 2011

소프트웨어 프로젝트를 개발하는 방법론에는 20여 가지의 개발 프로세스 모델들이 존재한다. 그러나 모든 소프트웨어의 특성을 만족시킬 수 있는 일반화된 하나의 모델이 없는 실정으로 개발조직은 여러 모델들을 적절히 혼합하여 개발될 시스템과 개발팀의 능력에 맞도록 새로운 모델을 개발하여야만 한다. 본 논문에서는 다양한 소프트웨어 개발 상황에 보다 적합할 것으로 판단되는 동시개발 프로세스 모델을 제안한다. 먼저, 개발 요구사항 목록들이 작성되면, 요구사항을 중요도에 따라 20:80 비율로 분할하고, 중요한 20% 요구사항의 요구사항 분석과 아키텍쳐 설계가 완료될 때까지는 순차적으로 수행한다. 20%의 중요 요구사항에 대해 상세설계를 시작하는 시점에서 나머지 80%의 요구사항에 대한 요구사항 분석단계를 동시에 수행하는 개념이다. 동시개발은 타임박스(Timebox) 개념으로 수행되며, 이때 적용되는 순차적, 반복적 & 점진적 또는 Agile 방법들에 따라 각 타임박스에서 개발되는 요구사항의 분할 비율은 차이가 발생한다. 순차적, 반복적 & 점진적 또는 Agile 방법론을 동시개발 개념을 적용한 결과 단일화된 프로세스 모델로 표현할 수 있었다. 제안된 모델은 개발 단계들을 팀 단위로 수행할 경우 개발자원 활용의 비효율성을 크게 줄일 수 있다. 또한, 동시개발 개념을 적용하여 단계들이 중첩되어 수행되므로 개발기간도 크게 단축시키는 장점이 있다. 따라서 제안된 모델은 보다 빠른 시간에 보다 저렴한 비용으로 보다 좋은 품질의 소프트웨어를 개발하여 고객에게 납품할 수 있어 고객을 만족도를 향상시킬 수 있으며, 더불어 소프트웨어 개발 성공률을 높이는데도 기여할 것으로 판단된다.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2005년도 심포지엄 논문집 정보 및 제어부문
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• pp.185-187
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• 2005

The reactor protection system is the most important function for the safe operation of nuclear powerplants (NPPs) in that such system protects a nuclear reactor tore whose damage can cause an enormous disaster to the nuclear facility and the public. A digital reactor protection system (DRPS) is being developed in KAERI for use in the newly-constructed NPPs and also for replacing the existing analog-type reactor Protection systems. In this paper, an software verification and validation (V&V) activities for DRPS, which are independent of the DRPS development processes, are described according to the software development life cycle. The main activities of DRPS V&V processes are the software planning documentations, the verification of software requirements specification (SRS) and software design specification (SDS), the verification of codes, the tests of the integrated software and system. Moreover, the software safety analysis and the software configuration management are involved in the DRPS V&V processes. All of the V&V activities are described, in detail, in this paper.

• 한국IT서비스학회지
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• 제8권1호
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• pp.125-142
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• 2009

The Ministry of Information and Communication announced "The Guideline for Management of Software Project" in October 2006. The public employees(acquirer) have to manage software projects with this guideline. The guideline was based on the International standard(ISO/IEC 12207) and IEEE standard(IEEE/EIA 12207), and was developed by considering the domestic software industry environment. The guideline can help to establish a software acquisition process for appropriate management of software projects, and the process can increase the management productivity of software projects. This study provides the explanation about the guideline with terms of 5W1H(who(user), what(summary), when(time to apply), where(domain of application), why(objective), how(method of use)) for understanding of the guideline.

• 시스템엔지니어링학술지
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• 제14권2호
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• pp.49-57
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• 2018

The main objective of this paper is come up with methodology approach for FPGA-based system in verification and validation lifecycle regarding software reliability using system engineering approach. The steps of both reverse engineering and re-engineering are carried out to implement an FPGA-based of safety critical system in Nuclear Power Plant. The reverse engineering methodology is applied to elicit the requirements of the system as well as gain understanding of the current life cycle and V&V activities of FPGA based-system. The re-engineering method is carried out to get a new methodology approach of software reliability, particularly Software Reliability Growth Model. For measure the software reliability of a given FPGA-based system, the following steps are executed as; requirements definition and measurement, evaluation of candidate reliability model, and the validation of the selected system. As conclusion, a new methodology approach for software reliability measurement using software reliability growth model is developed.

• International journal of advanced smart convergence
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• 제9권4호
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• pp.124-131
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• 2020

As users of internet-based software applications increase, functional and non-functional problems for software applications are quickly exposed to user reviews. These user reviews are an important source of information for software improvement. User review mining has become an important topic of intelligent software engineering. This study proposes a user review mining method for software improvement. User review data collected by crawling on the app review page is analyzed to check user satisfaction. It analyzes the sentiment of positive and negative that users feel with a machine learning method. And it analyzes user requirement issues through topic analysis based on structural topic modeling. The user review mining process proposed in this study conducted a case study with the a non-face-to-face video conferencing app. Software improvement through user review mining contributes to the user lock-in effect and extending the life cycle of the software. The results of this study will contribute to providing insight on improvement not only for developers, but also for service operators and marketing.

• 한국건설관리학회:학술대회논문집
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• 한국건설관리학회 2008년도 정기학술발표대회 논문집
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• pp.291-296
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• 2008

지난 20년간 3D/4D CAD에 관한 연구는 시설물 생애주기의 설계, 시공단계를 중심으로 활발히 진행되어 왔지만 시설물 생애주기 전반에 걸쳐서 3D/4D CAD의 유용성에 관한 연구는 아직까지 미흡한 실정이다. 본 연구에서는 설계, 시공단계에 국한하지 않고 시설물 생애주기 동안의 3D/4D CAD 사용에 따른 유용성을 도출하기 위하여 현재 상용화된 소프트웨어를 사용하여 3D/4D CAD 모델을 생성하였다. 생성된 모델과 기존의 시설물 생애주기 관리 방법을 기반으로 전문가와 포커스 그룹 인터뷰를 실시하여 그 결과를 바탕으로 155명의 시설물 생애주기 관련 업무 수행자들의 설문조사를 통해 3D/4D CAD를 통한 시설물 생애주기 관리 유용성을 도출하였다.

• 디지털산업정보학회논문지
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• 제6권1호
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• pp.55-67
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• 2010

Decision problem called an optimal release policies, after testing a software system in development phase and transfer it to the user, is studied. The applied model of release time exploited infinite non-homogeneous Poisson process. This infinite non-homogeneous Poisson process is a model which reflects the possibility of introducing new faults when correcting or modifying the software. The failure life-cycle distribution used generalized gamma type distribution which has the efficient various property because of various shape and scale parameter. Thus, software release policies which minimize a total average software cost of development and maintenance under the constraint of satisfying a software reliability requirement becomes an optimal release policies. In a numerical example, after trend test applied and estimated the parameters using maximum likelihood estimation of inter-failure time data, estimated software optimal release time.