• 시스템엔지니어링학술지
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• 제7권2호
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• pp.31-37
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• 2011

Korean Naval Ship acquisition processes are very complicate. There are 4 phases, Feasibility Study, Concept Design, Basic Design, Detail Design and Construction. A number of organizations and support groups exist to acquire naval war ships. Thus, It is very important how to establish traceability about requirements. This work has investigated how to improve traceability about requirements using Shipboard Work Breakdown Structure.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2008년도 춘계학술대회 논문집
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• pp.1880-1886
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• 2008

Recently, a railroad system has a big and complicated structure of specification. Therefore, traceability between specification need to be identified for design change management and this is many engineer's concerns. Traceability means technical relationship. This is to trace other specification or component connect with relevant problem in case some problem should be examined. Traceability between functional specification can be proved through functional analysis essentially. This study will introduce an application method of functional analysis in the case of practical use project of MAGLEV train. And we propose the guide to identify traceability between function through functional analysis.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제13권2호
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• pp.619-634
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• 2019

In the field of traceability systems, researchers focus on applications in the agricultural food traceability and scanning commodities. The purposes of this paper, however, is to propose an efficient and reliable traceability system that can be applied to all kinds of commodities. Currently, most traceability systems store data in a central server, which is unreliable when the system is under attack or if the administrator tampers with the data for personal interests. Therefore, it is necessary to design a system that can eliminate these threats. In this paper, we propose a decentralized and non-reversible traceability system for storing commodity data. This system depends on blockchain technology, which organizes data in the form of chains without a central server. This chain-style storage mechanism can prevent malicious modifications. In addition, some strategies are adopted to reduce the storage pressure and response time when the system has stored all kinds of commodity data.

• 한국군사과학기술학회지
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• 제3권2호
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• pp.149-155
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• 2000

This paper presents results from a computer-aided systems engineering application to system development projects. RDD-100 version of ALC Inc. was used in this work. The framework adopted in the study takes a unified approach to the system design and the process management associated with it, thereby coherent and full traceability between them is maintained. Conventional system engineering process supported by the tool is adopted in the system design. On the other hand, the same tool is also used to the systems engineering management to get full traceability between system design data and engineering management data. It is greatly helpful in managing many sub-contractors in the sense that the traceability can help identify the sub-project responsibility as well as the objectives of the project in coordination with interface requirements. We conclude with the advantage and limits of our unified approach.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2017년도 추계 학술논문 발표대회
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• pp.183-184
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• 2017

Some of the information created during the design phase of an New NPP life cycle is useful only for the execution of the construction phase; however, much of the information greatly impacts the longer-term operational phase. To most make use of design and construction information produced by data based design system during the construction and operation phase, This research is identified controlled data and drawn design information of controlled equipment from documents generated during the life-cycle stages. This study aimed to analyze related documents to assure traceability of controlled equipment from design phase through O&M and then suggested DB(Data Base) based control method on technical information of major equipment throughout nuclear power plant lifecycle.

• 한국정보통신학회논문지
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• 제11권1호
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• pp.216-221
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• 2007

본 논문에서는 RFID 기술을 이용한 EPC 네트워크(EPC Network)를 응용하여 농 축산물의 유통정보와 이력정보를 제공하고, 여기에 농 축산물 생산/재배환경을 원격으로 monitoring할 수 있는 USN(Ubiquitous Sensor Network)을 접목하여 새로운 농 축산물 이력관리 시스템(Agro-Livestock Products Traceability System)을 제안한다. 농업에 u-IT 기술을 적용하여, 생산${\rightarrow}$출하${\rightarrow}$유통의 단계를 본 논문에서 제안하는 하나의 ALPC,코드로 묶어서 유비쿼터스(ubiquitous) 환경에서의 농 축산물 생산/재배 기술과 농 축산물에 대한 다양한 정보를 이용자에게 빠르고 정확하게 제공하는 하는 것이 이 시스템의 목적이다. 제안된 농 축산물 이력관리 시스템을 사용함으로써 친환경 농산물 거래의 신뢰성을 확보할 수 있게 되고, 농가 소득 증대 및 소비자만족도를 높일 수 있어서, 농업의 경쟁력을 향상 시킬 수 있다.

• 스마트미디어저널
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• 제12권10호
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• pp.85-92
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• 2023

2014년 12월, 가축 및 축산물 이력 관리에 관한 법률이 제정되면서 소비자는 축산물 이력정보를 제공받게 되었다. 이러한 축산물이력제는 소비자들에게 먹거리에 대한 투명하고 공정한 정보를 제공하여 신뢰를 높일 수 있는 반면, 정육업계 관계자들에게는 이력 관리로 인한 업무 증가와 과태료 부담을 가져왔다. 본 논문에서는 판매자가 소비자에게 편리하게 축산물 이력정보를 제공할 수 있도록 이력번호 기반의 재고관리 IoT 시스템을 제안하였다. 저울 데이터를 관리하기 위한 전송 프로토콜을 분석하고 모바일 기기에서의 기능 테스트와 검증을 진행하였으며, 안드로이드 기반 기기에서 이력정보와 상품정보를 전자저울과 연동하고 동기화할 수 있도록 사용자 입장에서의 UI/UX를 고려한 디자인 설계와 시스템 기능을 구현하였다. 향후 제안된 방식은 기존 시장에서 사용자의 불편함을 최소화하고 생산 효율성을 향상시킬 것으로 기대된다.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제12권2호
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• pp.817-828
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• 2018

Modern software, especially web-based software, is broadly used in various fields. Most web applications employ design patterns, such as a model-view-controller (MVC) pattern and a factory pattern as development technology, so the application can have a good architecture to facilitate maintenance and productivity. A web application, however, may have defects and developers must fix the defects when a user submits bug reports. In this paper, we propose a novel approach to improving fault traceability in web application by using software revision information and software behavior model to reduce costs and effectively handle the software defect. We also provide a case study to show effectiveness of our approach.

• 한국CDE학회논문집
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• 제20권4호
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• pp.328-336
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• 2015

We proposed a methodology to automatically extract the requirements from the documents and check the consistency and traceability among them. The documents include not only text but also PDF or image files. We also suggest a method to visualize the result with maps, numbers, and graphs. By comparing the results with those of manual reviews from experts, we show that it is necessary to use knowledge-based method in future instead of the wordbased method for improving the reliability. The results can be applied effectively for already existing documents.

• 대한안전경영과학회지
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• 제15권1호
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• pp.11-19
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• 2013

In modern systems design and development, one of the key issues is considered to be related with how to reflect faithfully the stakeholder requirements including customer requirements therein, thereby successfully implementing the system functions derived from the requirements. On the other hand, the issue of safety management is also becoming greatly important these days, particularly in the operational phase of the systems under development. An approach to safety management can be based on the use of the failure mode effect and analysis (FMEA), which has been a core method adopted in automotive industry to reduce the potential failure. The fact that a successful development of cars needs to consider both the complexity and failure throughout the whole life cycle calls for the necessity of applying the systems engineering (SE) process. To meet such a need, in this paper a method of FMEA is developed based on the SE concept. To do so, a process model is derived first in order to identify the required activities that must be satisfied in automotive design while reducing the possibility of failure. Specifically, the stakeholder requirements were analyzed first to derive a set of functions, which subsequentially leads to the task of identifying necessary HW/SW components. Then the derived functions were allocated to appropriate HW/SW components. During this design process, the traceability between the functions and HW/SW components were generated. The traceability can play a key role when FMEA is performed to predict the potential failure that can be described with the routes from the components through the linked functions. As a case study, the developed process model has been applied in a project carried out in practice. The results turned out to demonstrate the usefulness of the approach.