Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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Collaborative Maintenance Simulation System Using Virtual Mockup

가상목업을 활용한 협업 정비 시뮬레이션 시스템

  • Received : 2011.07.26
  • Accepted : 2011.11.22
  • Published : 2012.01.31
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Abstract

Applying maintenance simulation using virtual mockup in product design phase enables maintainability test before prototyping physical products, and it is expected to reduce product development costs. The simulation results can be reused as contents of service manuals and RAM (Reliability, Availability, Maintainability) analysis data. Maintenance simulation should provide realistic representation of physical property of virtual product, assembly relation between parts and manipulation process to verify feasibility of product design. The simulation system should be extended to collaborative virtual environment to perform collaborative maintenance procedures. In this paper, the three layered system architecture and the physics based collaborative interaction technique are proposed to extend current maintenance simulation into collaborative virtual environment. The proposed system was implemented as ViMMS (Virtual Mockup Maintenance Simulation system), and compared with case study results of VADE (Virtual Assembly Design Environment). As a result, the ViMMS encompassed broader range of maintenance tasks by using physics based collaborative interaction technique.

가상목업을 이용한 정비 시뮬레이션을 제품 설계 단계에 적용함으로써 시제품 제작 전 정비성을 검증할 수 있고, 제품 개발 비용을 절감할 것으로 기대되고 있다. 정비 시뮬레이션 결과는 정비 매뉴얼 컨텐츠로 재사용하거나 RAM (Reliability, Availability, Maintainability) 분석 자료로 활용할 수 있다. 가상 환경에서 설계 타당성을 검증하기 위해 정비 시뮬레이션은 가상 제품의 물리특성, 부품의 조립관계, 조작 과정을 실제 환경과 유사하게 제공해야 한다. 시뮬레이션 시스템은 협업 정비 절차를 수행하기 위해 가상 협업 환경으로 확장되어야 한다. 본 논문은 현재 알려진 정비 시뮬레이션을 가상 협업 환경으로 확장하기 위한 3계층 시스템 구조와 물리모의 기반 협업 인터렉션 기술을 제안한다. 제안된 협업 정비 시뮬레이션 시스템은 가상목업 정비 시뮬레이션 시스템으로 구현하였으며, 시뮬레이션 결과를 VADE (Virtual Assembly Design Environment) 사례와 비교하여 물리모의 기반 협업 인터렉션 기술로 다양한 정비 작업을 모의하는 것이 가능함을 확인하였다.

Keywords

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