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Real-Time Fault Diagnosis of Node and Link Failures for Industrial Controller Redundancy

Fulltext:


Authors:

Kasra Ekrad, Sebastian Leclerc, Bjarne Johansson, Ines Alvarez, Mohammad Ashjaei, Saad Mubeen

Research group:

Real-Time Systems Design

Publication Type:

Conference/Workshop Paper

Venue:

IEEE International Conference on Emerging Technologies and Factory Automation

Publisher:

IEEE

Abstract

In an Industrial Control System (ICS), link failures causing partitioning between the redundant controller pair can prevent synchronization. This disruption could potentially trigger incorrect redundancy role-switching procedures. Distinguishing link and node failures from each controller’s perspective can effectively mitigate these dependability threats. We introduce an algorithm capable of detecting and differentiating link failures from node failures within a bounded time. The proposed algorithm leverages periodic messages generated by industrial protocols operational in network devices. Our preliminary evaluation indicates the feasibility of the proposed algorithm in terms of meeting the real-time requirements of the ICSs.

Bibtex

@inproceedings{Ekrad6982,
author = {Kasra Ekrad and Sebastian Leclerc and Bjarne Johansson and Ines Alvarez and Mohammad Ashjaei and Saad Mubeen},
title = {Real-Time Fault Diagnosis of Node and Link Failures for Industrial Controller Redundancy},
month = {September},
year = {2024},
booktitle = {IEEE International Conference on Emerging Technologies and Factory Automation},
publisher = {IEEE},
url = {http://www.es.mdu.se/publications/6982-}
}