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  • 1.
    Åkerberg, Johan
    et al.
    ABB AB Corporate Research, Västerås, Sweden.
    Gidlund, Mikael
    ABB AB Corporate Research, Västerås, Sweden.
    Lennvall, Tomas
    ABB AB Corporate Research, Västerås, Sweden.
    Landernäs, Krister
    ABB AB Corporate Research, Västerås, Sweden.
    Björkman, Mats
    School of Innovation, Design, and Technology, Mälardalen University, Västerås, Sweden.
    Design Challenges and Objectives in Industrial Wireless Sensor Networks2013In: Industrial wireless sensor networks: applications, protocols, and standards / [ed] V. Çağrı Güngör and Gerhard P. Hancke, Boca Raton: Taylor & Francis , 2013, p. 79-100Chapter in book (Other academic)
  • 2.
    Åkerberg, Johan
    et al.
    Corporate Research, ABB AB, Västerås, Sweden.
    Gidlund, Mikael
    Corporate Research, ABB AB, Västerås, Sweden.
    Lennvall, Tomas
    Corporate Research, ABB AB, Västerås, Sweden.
    Neander, Jonas
    Corporate Research, ABB AB, Västerås, Sweden.
    Björkman, Mats
    School of Innovation, Design, and Technology, Mälardalen University, Västerås, Sweden.
    Efficient integration of secure and safety critical industrial wireless sensor networks2011In: EURASIP Journal on Wireless Communications and Networking, ISSN 1687-1472, E-ISSN 1687-1499, no 1, article id 100Article in journal (Refereed)
    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.

  • 3.
    Åkerberg, Johan
    et al.
    ABB Corporate Research, Västerås, Sweden.
    Gidlund, Mikael
    ABB Corporate Research, Västerås, Sweden.
    Lennvall, Tomas
    ABB Corporate Research, Västerås, Sweden.
    Neander, Jonas
    ABB Corporate Research, Sweden.
    Björkman, Mats
    School of Innovation, Design, and Technology, Mälardalen University, Västerås, Sweden.
    Integration of WirelessHART Networks in Distributed Control Systems using PROFINET IO2010In: 8th IEEE International Conference on Industrial Informatics (INDIN), Institute of Electrical and Electronics Engineers (IEEE), 2010, p. 154-159Conference paper (Refereed)
    Abstract [en]

    In this paper we describe a method to integrate WirelessHART networks in Distributed Control Systems (DCS)using PROFINET IO. By modeling the WirelessHART network in the Generic Station Description file, that describes a PROFINET IO device, the WirelessHART related configuration can be distributed from the central engineering stations. In this way, both process controller configuration and WirelessHART network configuration is engineered and maintained from a central location. Thus the end-user do not need any additional tool-specific training, as the existing tools are used to engineer the WirelessHART networks. We base the method of integration on the keywords simple deployment and maintenance, and flexible topology. A proof-of-concept implementation of the proposed method shows that it is possible to download WirelessHART configuration both to the WirelessHART network managers, as well as the WirelessHART sensors. By integrating WirelessHART in this way, maintenance is greatly simplified as the actual configuration will be downloaded automatically by the DCS when faulty field devices are replaced.

  • 4.
    Åkerberg, Johan
    et al.
    ABB Corporate Research, Västerås, Sweden.
    Gidlund, Mikael
    ABB Corporate Research, Västerås, Sweden.
    Neander, Jonas
    ABB Corporate Research, Västerås, Sweden.
    Lennvall, Tomas
    ABB Corporate Research, Västerås, Sweden.
    Björkman, Mats
    School of Innovation, Design, and Technology, Mälardalens University, Västerås, Sweden.
    Deterministic Downlink Transmission in WirelessHART Networks enabling Wireless Control Applications2010In: IECON 2010 - 36th Annual Conference on IEEE Industrial Electronics Society, New York: Institute of Electrical and Electronics Engineers (IEEE), 2010, p. 2120-2125Conference paper (Refereed)
    Abstract [en]

    Wireless sensor and actuator networks bring many benefits to industrial automation systems. However, unreliable wireless and multihop communications among sensors and actuators cause challenges in designing such systems. Wireless HART is the first standard for wireless real-time industrial applications. However, current Wireless HART standard does not provide services for efficient usage of actuators, which are an essential part of automation. In this paper we focus on Wireless HART and propose a periodic and deterministic downlink transmission functionality which enables efficient usage of actuators and control applications. Furthermore, we define new HART commands extending the interface, without affecting available services, to support the integration of actuators. This can be achieved with minor changes in the current standard.

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