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Link to original content: https://doi.org/10.48550/arXiv.2403.18917
[2403.18917] Formal Verification of Consistency for Systems with Redundant Controllers
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Computer Science > Software Engineering

arXiv:2403.18917 (cs)
[Submitted on 27 Mar 2024]

Title:Formal Verification of Consistency for Systems with Redundant Controllers

Authors:Bjarne Johansson (ABB AB, Västerås, Sweden), Bahman Pourvatan (Mälardalen University, Västerås, Sweden), Zahra Moezkarimi (Mälardalen University, Västerås, Sweden), Alessandro Papadopoulos (Mälardalen University, Västerås, Sweden), Marjan Sirjani (Mälardalen University, Västerås, Sweden)
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Abstract:A potential problem that may arise in the domain of distributed control systems is the existence of more than one primary controller in redundancy plans that may lead to inconsistency. An algorithm called NRP FD is proposed to solve this issue by prioritizing consistency over availability. In this paper, we demonstrate how by using modeling and formal verification, we discovered an issue in NRP FD where we may have two primary controllers at the same time. We then provide a solution to mitigate the identified issue, thereby enhancing the robustness and reliability of such systems.
Comments: In Proceedings MARS 2024, arXiv:2403.17862
Subjects: Software Engineering (cs.SE)
Cite as: arXiv:2403.18917 [cs.SE]
  (or arXiv:2403.18917v1 [cs.SE] for this version)
  https://doi.org/10.48550/arXiv.2403.18917
Journal reference: EPTCS 399, 2024, pp. 169-191
Related DOI: https://doi.org/10.4204/EPTCS.399.8

Submission history

From: EPTCS [view email] [via EPTCS proxy]
[v1] Wed, 27 Mar 2024 18:08:49 UTC (1,882 KB)
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