Journal of Broadcast Engineering (방송공학회논문지)

The Korean Institute of Broadcast and Media Engineers (한국방송∙미디어공학회)
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Development of a Chameleonic Pin-Art Equipment for Generating Realistic Solid Shapes

실감 입체 형상 생성을 위한 카멜레온형 핀아트 장치 개발

  • Kwon, Ohung (Korea Institute of Industrial Technology, Human Convergence Technology R&D Department) ;
  • Kim, Jinyoung (Korea Institute of Industrial Technology, Human Convergence Technology R&D Department) ;
  • Lee, Sulhee (Korea Institute of Industrial Technology, Human Convergence Technology R&D Department) ;
  • Kim, Juhea (Korea Institute of Industrial Technology, Human Convergence Technology R&D Department) ;
  • Lee, Sang-won (Korea Institute of Industrial Technology, Human Convergence Technology R&D Department) ;
  • Cho, Jayang (Korea Institute of Industrial Technology, Human Convergence Technology R&D Department) ;
  • Kim, Hyungtae (Korea Institute of Industrial Technology, Human Convergence Technology R&D Department)
  • 권오흥 (한국생산기술연구원 휴먼융합연구부문) ;
  • 김진영 (한국생산기술연구원 휴먼융합연구부문) ;
  • 이설희 (한국생산기술연구원 휴먼융합연구부문) ;
  • 김주혜 (한국생산기술연구원 휴먼융합연구부문) ;
  • 이상원 (한국생산기술연구원 휴먼융합연구부문) ;
  • 조자양 (한국생산기술연구원 휴먼융합연구부문) ;
  • 김형태 (한국생산기술연구원 휴먼융합연구부문)
  • Received : 2020.05.26
  • Accepted : 2020.06.29
  • Published : 2020.07.30
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Abstract

A chameleonic surface proposed in this study was a pin-art and 3D display device for generating arbitrary shapes. A smooth and continuous surface was formed using slim telescopic actuators and high-elasticity composite material. Realistic 3D shapes were continuously generated by projecting dynamic mapping images on the surface. A slim telescopic actuator was designed to show long strokes and minimize area for staking. A 3D shape was formed by thrusting and extruding the high-elasticity material using multiple telescopic actuators. This structure was advantageous for generating arbitrary continuous surface, projecting dynamic images and lightening weight. Because of real-time synchronization, a distributed controller based on EtherCAT was applied to operate hundreds of telescopic actuators smoothly. Integrated operating software consecutively generated realistic scenes by coordinating extruded shapes and projecting 3D image from multiple projectors. An opera content was optimized for the chameleon surface and showed to an audience in an actual concert.

본 논문에서 제안된 카멜레온형 서피스 (chameleonic surface)는 핀 아트 (pin-art) 장치로서 임의 형상 발생용 입체 디스플레이 장치이다. 슬림 텔레스코픽 액츄에이터 (slim telescopic actuator)와 고탄성의 복합 소재로 생성되는 부드럽고 연속적인 곡면 위에 동적 매핑 영상을 투사하여 사실적인 입체 형상을 연속적으로 생성할 수 있다. 슬림 텔레스코픽 액츄에이터는 적층을 위하여 긴 행정거리를 가지면서 최소 점유 면적을 가지도록 설계하였다. 3차원 형상은 다수의 슬림 텔레스코픽 액츄에이터가 고탄성 소재를 밀어서 돌출시켜서 만들어진다. 이와 같은 구조는 임의의 연속적인 곡면 형상 생성, 동적 영상 투사 및 장치 경량화 등의 장점이 있었다. 수백 개의 슬림 텔레스코픽 액츄에이터가 원활하게 동작하기 위하여 실시간 동기화가 가능한 이더캣 (EtherCAT) 통신 기반의 분산 제어기를 적용하였다. 통합 운영 소프트웨어로 돌출 형상과 입체 영상을 정합하고 다수 영상 투사기로 투사하여 실감 영상을 연속적으로 생성할 수 있었다. 실제 공연을 위하여 오페라용 콘텐츠를 제작하면서 카멜레온 서피스에 최적화하였고, 일반인들을 대상으로 상영하였다.

Keywords

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