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Efficient Integration of Secure and Safety Critical Industrial Wireless Sensor Networks
ABB, Västerås, Sweden .ORCID iD: 0000-0002-7159-7508
ABB, Västerås, Sweden .
ABB, Västerås, Sweden .
ABB, Västerås, Sweden .
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2011 (English)In: EURASIP Journal on Wireless Communications and Networking, ISSN 1687-1472, E-ISSN 1687-1499, no 1, 100Article in journal (Refereed) Published
Abstract [en]

Wireless communication has gained more interest in industrial automation due to flexibility, mobility, and cost reduction. Wireless systems, in general, require additional and different engineering and maintenance tasks, for example cryptographic key management. This is an important aspect that needs to be addressed before wireless systems can be deployed and maintained efficiently in the industry. In this paper, we take an holistic approach that addresses safety and security regardless of the underlying media. In our proposed framework we introduce security modules which can be retrofitted to provide end-to-end integrity and authentication measures by utilizing the black channel concept. With the proposed approach, we can extend and provide end-to-end security as well as functional safety using existing automation equipment and standards, such as Profisafe, Profinet IO, and WirelessHART. Furthermore, we improve the WirelessHART standard with periodic and deterministic downlink transmissions to enable efficient usage of wireless actuators, as well as improving the performance of functional safety protocols.

Place, publisher, year, edition, pages
2011. no 1, 100
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-13077DOI: 10.1186/1687-1499-2011-100ISI: 000301069300001Scopus ID: 2-s2.0-84964211644OAI: oai:DiVA.org:mdh-13077DiVA: diva2:445369
Available from: 2011-10-03 Created: 2011-10-03 Last updated: 2016-05-06Bibliographically 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: 2014-05-16Bibliographically approved

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