NDLI: Startup error detection and containment to improve the robustness of hybrid FlexRay networks

Content Provider	IEEE Xplore Digital Library
Author	Kordes, A. Vermeulen, B. Deb, A. Wahl, M.G.
Copyright Year	2014
Description	Author affiliation: Central R&D, NXP Semicond., Eindhoven, Netherlands (Vermeulen, B.; Deb, A.) \|\| Fac. IV / ETI / OSDS, Univ. of Siegen Siegen, Siegen, Germany (Kordes, A.) \|\| Fac. IV / ETI / MSE, Univ. of Siegen, Siegen, Germany (Wahl, M.G.)
Abstract	The research and development on in-vehicle networks (IVNs) is driven by two main requirements: bandwidth and robustness. In this paper we address the robustness requirement. We focus on FlexRay IVNs that are used for safety-critical applications. We analyze and discuss faults that may affect the startup and operation of a FlexRay network. These failures may not only occur during the startup phase of the vehicle, but they may also happen due to a bus problem that requires the bus to be reinitialized during normal operation. Here any startup failure leads to a critical situation like a brake system failure. The fault scenarios we discuss in this paper are the resetting leading coldstart node (RLCN), the deaf coldstart node (DCN), and the babbling idiot (BI). These faults are described in literature, but neither the precise behavior of all involved nodes, nor a clear solution is provided to contain their impact. The idea of a bus guardian (BG) is given in a draft specification of the FlexRay consortium, but no details are given. In this paper, we extend on these ideas by investigating and implementing a detailed (BG) concept, based on our fault analysis. We subsequently evaluate the successful containment of the three fault types in simulation. We also quantify the chip area cost of our solution.
Starting Page	1
Ending Page	6
File Size	188146
Page Count	6
File Format	PDF
ISBN	9783981537024
DOI	10.7873/DATE.2014.018
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-03-24
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	European Design Automation Association (EDAA)
Subject Keyword	Detectors Bismuth Decoding Synchronization Protocols Schedules Switches
Content Type	Text
Resource Type	Article

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