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Design of Central Control System based on Fuzzy-Logic in USN

USN에서 퍼지 로직 기반 중앙 통제시스템의 설계

  • Oh, Sun-Jin (Dept. of Computer & Information Science, Semyung University)
  • Received : 2014.09.20
  • Accepted : 2014.12.12
  • Published : 2014.12.31

Abstract

With the rapid growth of the mobile computing and sensor technologies, various application techniques related to USN converged with other related technologies are actively disseminated recently. Most of these applications are aimed at the proper control and system monitoring using context information gathered through various sensors. But it is not easy to control and monitor the system precisely and flexibly since data generated by sensors are huge and variety. In this paper, we design and implement the fuzzy-logic based central control system in USN to provide the flexibility and preciseness with sensed data. The performance of the proposed system is evaluated by a simulation study in terms of consumed electric power on the test bed of USN based streetlight control system.

최근 모바일 컴퓨팅과 센서 기술의 급속한 발전과 더불어, 유비쿼터스 센서 네트워크(USN) 관련 응용 기술이 다양한 관련 기술과의 융합을 통해 활발하게 확산되고 있다. 이러한 응용들은 대부분 다양한 센서를 통한 주변의 상황정보를 이용하여 적절하게 제어하고 시스템을 모니터링 하는데 그 목표를 두고 있다. 하지만 센서들로부터 발생하는 데이터들은 큰 용량과 다양성으로 인해 정확하고 유연한 통제나 모니터링을 하기가 쉽지 않은 상황이다. 본 논문에서는 센서 네트워크를 통해 센싱된 데이터를 기반으로 상황정보를 적절하게 반영하여 유연하게 시스템을 제어하고 모니터링할 수 있도록 USN에서의 퍼지 로직 기반 중앙 통제시스템을 설계하고 구현하였다. 제안한 시스템은 실제 테스트 베드를 구축하여 운영 중인 USN기반 가로등 제어 시스템에 적용하여 그 성능을 모의실험을 통해 가로등의 소비 전력량에 대한 에너지 절감 영향을 비교 평가하였다.

Keywords

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