Robustness investigation of the FlexRay system

FlexRay, as a communication protocol for automotive control systems, is developed to fulfill the increasing demand on the electronic control units for implementing systems with higher safety and more comfort. Fault-tolerant feature is especially highlighted in the FlexRay protocol such that it can b...

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Bibliographic Details
Main Authors: Kuen-Long Leu, Chin-Long Wey, Jwu-E Chen, Yung-Yuan Chen
Format: Conference Proceeding
Language:English
Subjects:
Automotive applications
Automotive engineering
Communication system control
Control systems
Crosstalk
Electromagnetic interference
EMI
Fault tolerance
FlexRay
interference
Protocols
Robustness
Safety
SEU
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Description
Summary:FlexRay, as a communication protocol for automotive control systems, is developed to fulfill the increasing demand on the electronic control units for implementing systems with higher safety and more comfort. Fault-tolerant feature is especially highlighted in the FlexRay protocol such that it can be robust enough to apply for the safety-critical automotive applications. In this work-in-progress report, a verification strategy of the fault-tolerant mechanisms (FTMs) adopted in the FlexRay protocol is introduced. Our goal is to assess the effectiveness of FTMs to common interferences including EMI, SEU and crosstalk. We will also build up a simplified steer-by-wire system for observing its abnormal behaviors when the FTMs cannot overcome the interferences. All the investigations provide a transparent figure to the robustness of the FlexRay systems.
ISSN:2150-3109
2150-3117
DOI:10.1109/SIES.2009.5196210