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Enabling Safety-Critical Communication using WirelessHART and PROFIsafe
Mälardalen University, School of Innovation, Design and Engineering.ORCID iD: 0000-0002-7159-7508
Mälardalen University, School of Innovation, Design and Engineering.
Mälardalen University, School of Innovation, Design and Engineering.ORCID iD: 0000-0002-2419-2735
2010 (English)In: 15th IEEE International Conference on Emerging Technology and Factory Automation (ETFA), Bilbau, Spain, 2010, p. 1-8Conference paper, Published paper (Refereed)
Abstract [en]

Two major trends can be recognized in industrial automation. One of them is that Ethernet is replacing traditional fieldbus networks continuously, because it combines flexibility, reliability, and introduces fast data rates, which allow beside others quality of services. This is pushed even further when field devices use wireless communication to connect to the control system. Beside that another trend is seen in functional safety due to rising customer demands and evolving regulations in industry. That leads necessarily to a consolidation of both technologies, where safety must be guaranteed in the same manner over wireless channels as it is handled over Ethernet. This paper addresses safety issues emerging when PROFIsafe, as one of various safety protocols on the market, is used on top of a black channel layer, which is comprised by non safe protocols including WirelessHART.

Place, publisher, year, edition, pages
Bilbau, Spain, 2010. p. 1-8
Identifiers
URN: urn:nbn:se:mdh:diva-11072DOI: 10.1109/ETFA.2010.5641253Scopus ID: 2-s2.0-78650562356ISBN: 978-1-4244-6848-5 (print)OAI: oai:DiVA.org:mdh-11072DiVA, id: diva2:369801
Conference
15th IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2010; Bilbao; 13 September 2010 through 16 September 2010
Available from: 2010-11-12 Created: 2010-11-12 Last updated: 2013-12-03Bibliographically approved
In thesis
1. On Safe and Secure Communication in Process Automation
Open this publication in new window or tab >>On Safe and Secure Communication in Process Automation
2011 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

In the process industry, network and system security have become important since the introduction of Ethernet-based fieldbus protocols. As an example, a successful attack on a power plant, supporting large cities with energy, could result in a temporal but total power loss. Such attacks could be devastating for the society. The security threats are real, and motivations for attacking industrial communication systems may be political or economical.

The visions of autonomous systems, which can be supervised, diagnosed and maintained from remote is not far from reality, but stress the need for security and safety measures. Wired fieldbus protocols are mature with respect to safety and there are existing standards for safe communication. However, the wired fieldbuses lack adequate security measures to be deployed in industrial automation. In wireless sensor networks security is addressed thoroughly in the standards, but is not mature with respect to safety. Future automation systems need ideally to seamlessly support safety and security in heterogeneous networks while hiding the complexity for the end-users in order to successfully manage large-scale industrial production.

This thesis presents one feasible solution towards safe and secure communication in heterogeneous industrial networks for process control. The presented solution addresses several other important aspects such that engineering efficiency, transparency, possibilities for retrofitting, coexistence with international standards in order to protect the return-of-investment of products, systems, and installed base within the area of process automation. Field trials show that several improvements of wireless sensor networks with respect to determinism in both the uplink and the downlink are needed. This is not only true when it comes to the research problems addressed within the scope of this thesis, but rather a necessity for market acceptance and deployment in process automation in general. The major contribution of this thesis is a method that enables end-to-end safe and secure communication in heterogeneous automation networks without major changes in existing standards, while preserving engineering and integration efficiency.

Place, publisher, year, edition, pages
Västerås: Mälardalen University, 2011
Series
Mälardalen University Press Dissertations, ISSN 1651-4238 ; 109
National Category
Computer Engineering
Research subject
Computer Science
Identifiers
urn:nbn:se:mdh:diva-13079 (URN)978-91-7485-039-0 (ISBN)
Public defence
2011-11-25, Paros, Mälardalens högskola, Västerås, 10:00 (English)
Opponent
Supervisors
Available from: 2011-10-10 Created: 2011-10-03 Last updated: 2018-01-12Bibliographically approved

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Åkerberg, JohanBjörkman, Mats

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