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Implementation of Underwater Entertainment Robots Based on Ubiquitous Sensor Networks

유비쿼터스 센서 네트워크에 기반한 엔터테인먼트용 수중 로봇의 구현

  • 신대정 (전남대학교 유비쿼터스정보가전사업단) ;
  • 나승유 (전남대학교 전자컴퓨터공학부) ;
  • 김진영 (전남대학교 전자컴퓨터공학부) ;
  • 송민규 (전남대학교 전자컴퓨터공학부)
  • Published : 2009.08.31

Abstract

We present an autonomous entertainment dolphin robot system based on ubiquitous sensor networks(USN). Generally, It is impossible to apply to USN and GPS in underwater bio-mimetic robots. But An Entertainment dolphin robot which presented in this paper operates on the water not underwater. Navigation of the underwater robot in a given area is based on GPS data and the acquired position information from deployed USN motes with emphasis on user interaction. Body structures, sensors and actuators, governing microcontroller boards, and swimming and interaction features are described for a typical entertainment dolphin robot. Actions of mouth-opening, tail splash or water blow through a spout hole are typical responses of interaction when touch sensors on the body detect users' demand. Dolphin robots should turn towards people who demand to interact with them, while swimming autonomously. The functions that are relevant to human-robot interaction as well as robot movement such as path control, obstacle detection and avoidance are managed by microcontrollers on the robot for autonomy. Distance errors are calibrated periodically by the known position data of the deployed USN motes.

유비쿼터스 센서 네트워크(USN)에 기반한 엔터테인먼트용 자율 돌고래 로봇의 구현에 관하여 소개한다. 일반적으로 수중에서 동작하는 생체모방 로봇에 유비쿼터스 센서 네트워크와 GPS를 적용하는 것은 불가능한 일이다. 본 논문에서 제안된 엔터테인먼트용 돌고래 로봇은 수중이 아닌 수면에서 동작하므로, 사용자와의 상호작용을 중요시하며 제안된 수중 로봇의 네비게이션은 GPS정보와 배치된 USN 모트로부터 얻어진 미세한 위치 정보로부터 수행된다. 본 논문에서는 제안된 돌고래 로봇의 기계적인 구조, 센서와 엑추에이터, 마이크로컨트롤러 보드와 수영 방법, 사용자와의 상호작용의 특징을 기술한다. 엔터테인먼트 돌고래 로봇은 유저에 의한 접촉 센서의 감지 신호를 입력받아 입을 움직이거나, 꼬리를 치고, 물을 뿜어내는 등의 전형적인 응답을 보인다. 로봇의 자율성을 위하여 경로 설정, 장애물 감지 및 회피 등과 같은 로봇의 움직임뿐 아니라 인간과 로봇의 상호작용에 관련된 기능들을 마이크로컨트롤러가 제어한다. 돌고래 로봇의 위치 정보는 배치된 USN 모트의 알려진 위치 정보로부터 주기적으로 교정된다.

Keywords

References

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