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지그비 통신망을 이용한 보안등 관제 시스템에 관한 연구

A study on the street security light management system using Zigbee network

  • 투고 : 2014.01.02
  • 심사 : 2014.05.08
  • 발행 : 2014.05.31

초록

무선통신망을 이용하여 도로 보안등에 대한 상태관리와 원격제어를 통제하는 시스템은 보안등제어기, 중계기, 관제서버 등의 3개의 기능으로 구성되며 보안등간의 통신망은 메쉬 형태를 지원하는 지그비 네트워크를 채택하고 중앙의 관제센타는 CDMA 방식의 무선통신망을 사용하였다. 이를 연동하기 위하여 지그비와 CDMA를 모두 수용하는 게이트웨이인 중계기는 저전력의 32-bit 마이크로콘트롤러인 Cortex M3로 설계 제작하였다. 관제서버와 중계기간의 전송방식을 단문메시지 방식과 소켓 방식을 모두 사용하여 원격제어 시스템을 구축함으로써 공중통신망의 이용료를 최소화하면서 보안등의 상태관리가 실시간으로 관리 가능함을 확인하였다. 실험에서는 95개의 보안등에 2개월간의 실시간을 통하여 확인하여 일일 9회 데이터를 취득하여 결과를 분석하였다.

This paper relates to the study about the street security light management system. The purpose of the wireless remote management system is to manage street security lights efficiently. The system is composed of three components like light controller, CDMA gateway and web based remote management server. The zigbee solution is adopted to make local wireless network between street security lights. The CDMA network is used for the wireless communication between street security light controller and the remote control center. The gateway to interconnect zigbee network and CDMA was designed with low power 32 bits Cortex M3 micro-controller. For the data communication between the management server and the gateway, SMS and socket based TCP streaming is used. The management server sends SMS to the gateway to deliver light control and management requests, and the gateway replies with the light controllers report via TCP streaming. By using both SMS and TCP streaming communication, it was verified that simple cost effective management is possible for street security lights. We tried real test for 95 street security lights in real environment during two months and analyzed the practical possibility for mass supply.

키워드

참고문헌

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피인용 문헌

  1. 시설하우스 온도 조절을 위한 수직형 교반 히터 자동제어 시스템 vol.10, pp.5, 2014, https://doi.org/10.13067/jkiecs.2015.10.5.623