Embedded System Platform for Safety-Critical Road Traffic Signal Applications

Thomas Novak, Christoph Stögerer

Publikation: Beitrag in Buch/Bericht/TagungsbandKonferenzbeitragBegutachtung

Abstract

Road traffic signals are used to signal information to drivers (e.g., red signal to stop). A controller residing in a local cabinet is managing the traffic signal. Depending on the desired traffic situation, the corresponding traffic signal is switched on or off via the power line. For the time being, there is no programmable logic included in each traffic signal. As a result, there is a single type for each application available e.g., due to different power supply levels or light output. In addition, functionality of traffic signals is limited so that its status information cannot be retrieved.

This paper presents an approach to traffic signals for safety-critical applications based on an embedded system. It includes a presentation of safetyrelated hardware and a microcontroller with embedded safety-related firmware. The result is a platform to be used in various applications and meeting safety and performance requirements according to standard EN 50556 and VDE 0832.
OriginalspracheEnglisch
TitelComputer Safety, Reliability, and Security - 32nd International Conference, SAFECOMP 2013, Proceedings
UntertitelProceedings of the 32nd International Conference, SAFECOMP 2013
Redakteure/-innenFriedemann Bitsch, Jérémie Guiochet, Mohamed Kaâniche
Herausgeber (Verlag)Springer-Verlag GmbH
Seiten138-145
Seitenumfang8
ISBN (elektronisch)978-3-642-40793-2
ISBN (Print)978-3-642-40792-5
DOIs
PublikationsstatusVeröffentlicht - 2013
Extern publiziertJa

Publikationsreihe

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Band8153 LNCS
ISSN (Print)0302-9743
ISSN (elektronisch)1611-3349

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