A Vehicle SoC Fault Diagnosis Technique using FlexRay Protocol

강승엽; Ji Hun Jeong; Park Sung Ju

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2016, 21(1), pp.39-47
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

강승엽 ¹, Ji Hun Jeong ², Park Sung Ju ³

¹한양대학교
²한양대학교
³한양대학교

ABSTRACT

In this paper, we propose vehicle SoC fault diagnosis platform using FlexRay protocol in order to detect the faults of semiconductor control chip even after vehicle production. Before FlexRay protocol by sending NFI (Null Frame Indicator) bit among the header segment and a specific identifier in the payload segment of FlexRay frame, this technique can be distinguishable from normal mode and test mode. By using this technique, it is possible to detect the faults such as performance degradation of vehicle network system caused by the aging or several problems of vehicle semiconductor chip. Also high reliability and safety of vehicle can be maintained by using structural test for vehicle SoC fault detection.
KEYWORDS

FlexRay Protocol, Null Frame Indicator, IEEE 1149.1, FPGA, BIST, Structural test
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