자동차 고속 CAN 통신에서 회로단선 고장진단에 관한실험적 연구
An Experimental Study on Circuit Open Circuit Fault Diagnosis in High-Speed CAN Communication of Automobiles
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In this paper, each controller's unique ID and PICO oscilloscope were used to measure the voltage waveform of each CAN communication line, and compare and analyze the serial decoding results. Using the voltage change level of the CAN communication line, it was possible to check whether the CAN-High line and the Low line were disconnected. And it was possible to infer the circuit disconnection point between the controller and the controller only with the unique ID information of each controller. And when the CAN-High circuit was disconnected, the voltage of the high line was measured at the same voltage level as the Low line.
Abstract
In this paper, each controller's unique ID and PICO oscilloscope were used to measure the voltage waveform of each CAN communication line, and compare and analyze the serial decoding results. Using the voltage change level of the CAN communication line, it was possible to check whether the CAN-High line and the Low line were disconnected. And it was possible to infer the circuit disconnection point between the controller and the controller only with the unique ID information of each controller. And when the CAN-High circuit was disconnected, the voltage of the high line was measured at the same voltage level as the Low line.
참고문헌 (6)
- 이석, "Controller Area Network의 실시간 서비스 품질 향상을 위한 동적 ID 할당 알고리즘 개발", 한국정밀공학회지, 26(10), pp.40~46 (2009), 한국정밀공학회
- 안종영, "오류검출이 가능한 임베디드 시스템용 CAN통신 인터페이스 설계", 한국인터넷방송통신학회 논문지, 10(1), pp.69~74 (2010), 한국인터넷방송통신학회
- 최원승, "차량 안전성 향상을 위한 CAN 통신 트래픽 감소 기법", 한국정보기술학회논문지, 14(11), pp.87~92 (2016), 한국정보기술학회[DOI]