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시스템 엔지니어링 표준 기반 제철 플랜트 엔지니어링 업무표준 개발 사례
이태경,조래혁,이중윤,Lee, TaeKyong,Cho, RaeHyuk,Salim, Shelly,Lee, JoongYoon 한국시스템엔지니어링학회 2016 시스템엔지니어링학술지 Vol.12 No.1
Plant engineering industry is considered as a key industry which will drive the future of Korea. However, Korean plant engineering companies have recently made huge losses in overseas businesses and the lack of engineering capability is pointed out as a main cause of this situation. Unlike Korean plant engineering companies, world leading engineering companies such as Flour and Bechtel have their own systems Engineering Standards/Guides ensuring successful fulfillments of the concept and basic design processes. An engineering standard for an organization is an essential means to shorten the time for engineering design, to maintain the engineering quality and to secure the engineering efficiency in the development of the complex system. Korean plant engineering companies'lack of engineering capability comes from the absence of the engineering standard. In the paper, we have developed a steel-making plant engineering standard based on a systems engineering standard. We chose both ISO/IEC/IEEE 15288 and NASA SE Handbook as main reference standards. First, we have introduced a life-cycle definition and a physical hierarchy of a general steel-making plant. Then we have introduced detailed engineering processes of each life-cycle stage. The full scope of the study was from the feasibility study to the basic design but in the paper, we have only introduced detailed engineering processes and exit criteria for the feasibility study and the concept design.
시스템 엔지니어링 공통 프로세스 개선 연구 : 기술 프로세스를 중심으로
이태경,이중윤,Lee, Taekyong,Lee, Joong-Yoon 한국시스템엔지니어링학회 2017 시스템엔지니어링학술지 Vol.13 No.1
Systems engineering is being applied to various fields of industry such as national defense, aerospace, transportation, railway, and information technology industries. But in Korea, systems engineering has been selectively applied to government-driven projects such as space rocket development projects and unmanned flight development projects. And systems engineering processes introduced from international systems engineering standards has been directly applied to those projects. Unfortunately, this application method is not recommended as it requires highly experienced systems engineers. From our previous paper, we have proposed that domain specific engineering standards should be developed to be used as references for development of organizational engineering guide, so that more successful engineering performances can be achieved. And in this paper we have proposed a refinement of systems engineering processes from international systems engineering standards as they are bases of domain specific engineering standards.
이태경,차재민,김준영,Lee, Taekyong,Cha, Jae-Min,Kim, Joon-Young,Salim, Shelly 한국시스템엔지니어링학회 2018 시스템엔지니어링학술지 Vol.14 No.2
In traditional Document Based Configuration Management(DBCM) environment, changes in a system's configurations are hard to be reflected to existing engineering documents. This nature of DBCM triggers unconformities of system configurations which could become great risks. Model-based Configuration Management(MBCM) has been introduced to solve the problem of DBCM by managing system's configurations through an unified model. Therefore, it is important to model engineering documents in a general modeling language, down to low-level information items to develop traceability and flexibility of a system's engineering information. So, in the research, to explore the possibility of Model-based Approach(MBA) in the field of configuration management, a development of a systems requirement document model using SysML based Views & Viewpoints concept has been studied.
이태경,차재민,김준영,신중욱,김진일,염충섭,Lee, Taekyong,Cha, Jae-Min,Kim, Jun-Young,Shin, Junguk,Kim, Jinil,Yeom, Choongsub 한국시스템엔지니어링학회 2017 시스템엔지니어링학술지 Vol.13 No.2
Implementation of Model-based Systems Engineering(MBSE) depends on a model supporting efficient communication among engineers from various domains. And SysML is designed to create models supporting MBSE but unfortunately, SysML itself is not practical enough to be used in real-world engineering projects. SysML is designed to express generic systems and requires specialized knowledge, so a model written in SysML is less capable of supporting communication between a systems engineer and a sub-system engineer. Domain Specific Languages(DSL) can be a great solution to overcome the weakness of the standard SysML. A SysML based DSL means a customized SysML for a specific engineering domain. Unfortunately, current researches on SysML Domain Specific Language(DSL) for the plant engineering industry are still on the early stage. So as the first step, we have developed our own SysML based Piping & Instrumentation Diagram (P&ID) creation environment and P&ID itself of a specific plant system, using a widely used SysML authoring tool called MagicDraw. P&ID is one of the most critical output during the plant design phase, which contains all information required for the plant construction phase. So a SysML based P&ID has a great potential to enhance the communication among plant engineers of various disciplines.
이태경(Taekyong Lee) 한국정보과학회 1998 한국정보과학회 학술발표논문집 Vol.25 No.2Ⅰ
최근 멀티미디어 자료(Multimedia Data)들을 이용한 멀티미디어 상연물(Multimedia Presentation)의 제작에 많은 관심이 쏟아지고 있다. 한편, 멀티미디어 상연물들의 효과적인 사용을 위해서는 멀티미디어 상연물과 데이타베이스 시스템(Database System)의 통합(Integration)이 필요하며 이에 그래프 타입(Graph Type)을 이용하여 표현되고 있는 멀티미디어 상연물의 검색을 위한 검색 언어(Query Language)의 필요성이 대두되고 있다. 검색언어는 멀티미디어 자료들의 물리적 특징과 내용(Content), 상연물을 표현하는 데이타 타입(Data Type)을 표현할 수 있으야 한다. 또한 검색 언어는 사용자(end-user)가 손쉽게 사용할 수 있으야 한다. 이에 앞서 언급된 멀티미디어 상연물 검색 언어가 갖추어야 할 요소들을 가지고 있으며 또한 사용자가 편리(user-friendly)하게 사용하는 visual language의 formal basis가 되는 calculus에 바탕을 둔 검색 언어인 GCalculus/S를 소개한다.
이태경(Taekyong Lee),차재민(Jae-Min Cha),살림 셀리(Shelly Salim),김준영(Joon-Young Kim) 대한기계학회 2018 대한기계학회 춘추학술대회 Vol.2018 No.12
Configuration Management(CM) is a practice of keeping conformance among requirements, configuration information and physical configurations throughout a life cycle of a system. Due to its high complexity and long life cycle, the necessity of CM has highly demanded for plant systems. Nevertheless, it is hard to deploy CM in the field of plant engineering because plant engineering information mostly produced as documents require too much effort to trace and update. To overcome the limitations of documents-based CM, the study develops a concept of applying Model-based Approach(MBA) to CM and shows how SysML plant model works in a plant configuration management system.