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텔레매틱스을 통한 자가진단 저전력 임베디드 리눅스 시스템 구현

Implementation of Self Diagnostics Low-power Embedded Linux System using Telematics

  • 주재한 (송호대학교 보건의료전자과)
  • Ju, Jae-han (Department of Medical Electronics, Songho College)
  • 투고 : 2017.05.24
  • 심사 : 2017.06.24
  • 발행 : 2017.06.30

초록

주행중인 차량내의 컴퓨터 시스템과 통신을 효과적으로 연계해서 언제, 어디서나 각종 데이터의 검색이나 수정 등이 가능하고, 제한적인 플랫폼에서 원활한 동작을 하기 위해 장비를 적절히 제어할 수 있도록 주행차량에 맞게 시스템이 구축되어야 한다. 또한 시스템 엔진 정보 추출을 위해 차량 CAN 통신을 이용하고, 이러한 정보 전송을 위해 ZigBee을 이용하여 데이터를 전송한다. 따라서 차량 CAN을 위해 차량에서 자체 제공되는 OBD-II 프로토콜을 사용하여 차량의 각종 센서 정보 및 O2 센서 값을 이용하여 차량 상태 정보와 배기 가스양을 구하고 ZigBee 메인 컨트롤 시스템에 전송한다. 본 연구는 저전력 차량용 임베디드 시스템으로 전력 사용량을 최대로 줄여서 배터리 부하의 데미지를 최대한으로 감소시키고, ZigBee 통신을 통한 차량의 내부 상태 모니터링을 할 수 있는 시스템을 구현하였다.

It is necessary to establish a system suitable for the driving vehicle so that it can effectively search for and modify various data anywhere and anytime by effectively linking communication with the computer system in the running vehicle and to control the equipment properly for smooth operation on a limited platform do. Also, vehicle CAN communication is used to extract system engine information, and data is transmitted using ZigBee for this information transmission. Therefore, OBD-II protocol, which is provided by the vehicle itself, is used for vehicle CAN to obtain vehicle status information and exhaust gas using various sensor information of the vehicle and O2 sensor value, and transmits it to the ZigBee main control system. In this study, we implemented a system that can reduce the battery load damage to the maximum by reducing the power consumption to the maximum, and to monitor the internal state of the vehicle through ZigBee communication with the embedded system for low power vehicles.

키워드

참고문헌

  1. N. Li, M. Sun, Z. Bi, Z. Su, and C. Wang, "Internet of Things (IoT): A vision, architectural elements, and future directions," Information Systems Frontiers, Vol. 16, No. 5, pp. 953-977, 2013. https://doi.org/10.1007/s10796-013-9407-z
  2. G. Jayavardhana, B. Rajkumar, M. Slaven, and P. Marimuthu, "Internet of Things (IoT): A vision, architectural elements, and future directions," Future Generation Computer Systems, Vol. 29, No. 7, pp. 1645-1660, 2013. https://doi.org/10.1016/j.future.2013.01.010
  3. G. Xu, J. He, and Z. Chen, "Design and actualization of IoTbased intelligent logistics system," in 2012 IEEE International Conference on Industrial Engineering and Engineering Management, Hong Kong: China, pp. 2245-2248, 2012.
  4. Y. Huang, Z. Yang, and S. Xiong, "The research on the control algorithm of IOT based bicycle parking system," in 2012 IEEE 2nd International Conference on Cloud Computing and Intelligence Systems, Hangzhou: China, pp. 1221-1225, 2012.
  5. J. Kai, W. Muqing, X. Chunxiu, W. Jingrong, and S. Yang, "Shock hazard in the presence of protective residual current devices," in 2011 International Conference on Electronics, Communications and Control(ICECC), Ningbo: China, pp. 1448-1451, 2011.
  6. C. Yuan, and W. Zhou, "Design and implementation of embeded streaming media player based on STB," in 2011 International Conference on Multimedia Technology, Hangzhou: China, pp. 3017-3019, 2011.
  7. M. Ganchev, and U. Reisenbichler, "Design of a general purpose user interface for realtime embeded systems," in 2011 IEEE EUROCON-International Conference on Computer as a Tool, Lisbon: Portugal, pp. 1-4, 2011.
  8. H. G. Zhang, L. Gan, H. S. Liao, P. Wei, and L. P. Li, "Estimating spreading waveform of long-code direct sequence spread spectrum signals at a low signal-to-noise ratio," in Institution of Engineering and Technology Signal Processing, Vol. 6, No. 4, pp. 358-363, 2012.
  9. A. Jamshidi, "Direct sequence spread spectrum point-topoint communication scheme in underwater acoustic sparse channels," Institution of Engineering and Technology Communications, Vol. 5, No. 4, pp.456-466, 2011.
  10. T. Zhao, Z. Yang, and Y. Zhao, "Partial-code-aided scheme for narrowband interference suppression in direct-sequence spread spectrum systems," Institution of Engineering and Technology Communications, Vol. 4, No. 18, pp.2240-2251, 2010.