한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)

  • 제19권5호
  • /
  • Pages.159-167
  • /
  • 2002
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  • 1225-9071(pISSN)
  • /
  • 2287-8769(eISSN)
한국정밀공학회 (Korean Society for Precision Engineering)
권호 표지

자동차 ECU 자기진단 신호의 원격계측 시스템

Remote Measuring System for Automobile′s ECU Self Diagnostic Signal

  • 정진호 (전북대학교 대학원 기계공학과) ;
  • 윤여흥 (전북대학교 기계공학과) ;
  • 이영춘 (전북대학교 기계공학과) ;
  • 권대규 (전북대학교 기계공학과) ;
  • 이성철 (전북대학교 기계공학부(MRC))
  • 발행 : 2002.05.01
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초록

In this paper. we present a new method for monitoring of ECU's self diagnostic signals of vehicle without wire. In order to measure the ECU's self diagnostic signals, the interfaced circuit is designed to communicate ECU and designed terminal according to the IOS, SAE regulation of communication protocol standard. Micro-processor 80C196KC is used for communicating ECU's self diagnositc signals and the results are sent to the wireless terminal and PC monitoring system. Wireless terminal is also developed by 80C196KC, LCD, RF module, and keypad. The command from the keypad is sent to ECU through RF module and the result show on the Graphic LCD in real time. Software on PC is developed to monitor the ECU's self diagnostic signals using the Visual C++ complier in which RS232 port is programmed by half duplex method. The algorithms for measuring the ECU's self diagnostic signals are verified to monitor both ECU and portable terminal state. At the same time, the information to fix the vehicle's problem can be shown on the developed software. The possibility for remote measurement of ECU self diagnostic signal is verified through the developed systems and algorithms.

키워드

참고문헌

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