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 Towards Efficient Transient Fault Handling in Time-Triggered Systems
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/6582

title: Towards Efficient Transient Fault Handling in Time-Triggered Systems
authors: Luís Marques
V. Vasconcelos
Paulo Pedreiras
Almeida, Luís
Silva, Valter
keywords: Transient communication faults, Flexible-Time Triggered, CAN,on-line scheduling
issue date: 2011
abstract: Transient communication faults in distributed control systems (DCS) are unavoidable but must be handled adequately in order to enforce correct system behaviour. A typical way of handling transient faults is temporal redundancy by means of retransmissions. However, DCS are frequently designed with time-triggered architectures, being scheduled offline and not coping efficiently with retransmissions as these require the pre-allocation of bandwidth that, in the absence of errors, is wasted. In this paper we propose using the Flexible Time-Triggered paradigm to reconcile the Time-Triggered model with on-line scheduling of retransmissions when needed, only, leading to an efficient bandwidth usage. This is confirmed with preliminary experimental results obtained on an FTT-CAN network.
description: DETI
URI: http://hdl.handle.net/10773/6582
source: Inforum - Simpósio de Informática
appears in collectionsESTGA - Comunicações

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