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박중용,황창전,김준호,안이기,이정훈 한국항공우주연구원 2012 항공우주산업기술동향 Vol.10 No.1
본 논문에서는 최근 활발한 고속회전익기 기술개발 현황을 살펴보기 위하여 미국 시콜스키사의 X2, 유럽 유로콥터사의 X3, 미국 DARPA (Defense Advanced Research Project Agency)-보잉의 디스크로터, 러시아의 AHSH(Advanced High Speed Helicopter) 개발현황을 조사하였다. 특히 프로그램 상황 및 기술적인 달성도 측면에서 살펴보았다. 아울러 수직이착륙 및 제자리비행의 특장점을 살린 회전익기의 고속화를 달성하기 위한기술적과제를조사하였다. This paper describes the survey results on major high speed rotorcraft development programs such as Sikorsky X2, Eurocopter X3, DARPA(Defense Advanced Research Project Agency)-Boeing DiscRotor, and Russian AHSH(Advanced High Speed Helicopter). Each development program is investigated especially in viewpoints of program status and technical achievement. And some technical issues are surveyed to develop a high speed rotorcraft without any penalty in VTOL(Vertical Takeoff or Landing) and hovering attributes.
운용개념 개발 가이드와 프로세스 분석 및 작성 사례 연구
박중용,Park, Joongyong 한국시스템엔지니어링학회 2013 시스템엔지니어링학술지 Vol.9 No.1
Operational Concept Descriptions or Document(OCD) shall be developed to understand stakeholder's desire for to-be-delivered system. But there is little study on methodology of OCD generation and many developers do not understand importance of OCD in Korea. According to Nicole Roberts' industry(18 U.S. companies and organizations) survey, only 30% of system development projects had OCD, too. Researchers and developers have opposing views regarding the generation of an OCD. Many researchers believe that the development and use of operational concepts at the start of large projects is essential. Alternatively, developers may view the OCD as a burden to the development process rather than an enabler due to the extensive documentation requirement. In this paper a couple of OCD guidelines were investigated to clarify how to build a CONOPS effectively and what to include. Finally, OCD for rotorcraft based Personal Air Vehicle System(PAVS) was developed as a case study. In the future, a template for generating OCD appropriate to Korean environment could be proposed.
Modelica를 이용한 헬기 로터 블레이드 동적해석 M&S 모델 개발
박중용,Park, Joongyong 한국시스템엔지니어링학회 2015 시스템엔지니어링학술지 Vol.11 No.2
This paper describes modeling & simulation(M&S) model for dynamic analysis of helicopter rotor blades. Simulation model is developed using Dymola tool which implements the open source language - Modelica. Modelica is appropriate for developing multibody dynamic analysis model. To develop an M&S model efficiently, model based systems engineering(MBSE) is applied. Some diagrams such as requirement diagram, block definition diagram and sequence diagram etc. are drawn to capture the concept of M&S model. This activity is done utilizing the open source tool - Papyrus.
ATM(Air Traffic Management) 시스템과 같은 복잡 시스템의 안전 분석 및 설계 모델
박중용,Park, Joong-Yong 한국시스템엔지니어링학회 2007 시스템엔지니어링학술지 Vol.3 No.1
A complex system like ATM(Air Traffic Management) has safety problem emerging from complex interactions between systems. In complex systems, malfunctions of components are not the only causes of critical accidents. To resolve this problem many researchers have proposed new safety analysis models for complex systems. This research is a way of improving safety analysis model focusing on systems engineering design model for ATM.
박중용,Park, Joongyong 한국시스템엔지니어링학회 2012 시스템엔지니어링학술지 Vol.8 No.2
About 20 years have passed since Systems Engineering(SE) was introduced in Korea. KCOSE(Korean Council On Systems Engineering) and KOSSE(The Korean Society of Systems Engineering) were established during that period and Korean SE community has increased quantitatively. But We can not answer "Yes!" for the questions "Did Korean SE community increase qualitatively? and How about SE education or training?" Many participants at SE lecture classes said that they were not able to understand SE concept. I analyzed current SE lecture materials and then proposed new model of SE concept lecture for SE novices. The new model consists of Vee diagram, life cycle model, PMTE paradigm, technical review, SE sample and definition of SE. I expect that the proposed model will contribute to upgrade a quality of domestic SE education.
박중용,박영원,Park, Joong-Yong,Park, Young-Won 제어로봇시스템학회 2001 제어·로봇·시스템학회 논문지 Vol.7 No.8
Large-scale Multi-disciplinary Systems(LMS) such as transportation, aerospace, defense etc. are complex systems in which there are many subsystems, interfaces, functions and demanding performance requirements. Because many contractors participate in the development, it is necessary to apply methods of sharing common objectives and communicating design status effectively among all of the stakeholders. The processes and methods of systems engineering which includes system requirement analysis; functional analysis; architecting; system analysis; interface control; and system specification development provide a success-oriented disciplined approach to the project. This paper shows not only the methodology and the results of model-based systems engineering to Automated Guided Transit(AGT) system as one of LMS systems, but also propose the extension of the model-based tool to help manage a project by linking WBS (Work Breakdown Structure), work organization, and PBS (Product Breakdown Structure). In performing the model-based functional analysis, the focus was on the operation concept of an example rail system at the top-level and the propulsion/braking function, a key function of the modern automated rail system. The model-based behavior analysis approach that applies a discrete-event simulation method facilitates the system functional definition and the test and verification activities. The first application of computer-aided tool, RDD-100, in the railway industry demonstrates the capability to model product design knowledge and decisions concerning key issues such as the rationale for architecting the top-level system. The model-based product design knowledge will be essential in integrating the follow-on life-cycle phase activities. production through operation and support, over the life of the AGT system. Additionally, when a new generation train system is required, the reuse of the model-based database can increase the system design productivity and effectiveness significantly.
PLM(Product Lifecycle Management)과 시스템엔지니어링과의 관계 고찰
박중용,Park, Jung-Yong 한국시스템엔지니어링협회 2004 시스템엔지니어링워크숍 Vol.4 No.-
This paper introduces the concept and market status of PLM, then analyses PLM with an SEview I focus on relations beween SE and PLM. I propose some research topics about integration of SE and PLM and I expect growth of PLM market be a good chance of SE territorial expansion and marketing.