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In Sync with Today's Industrial System Clocks
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0003-2018-0996
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-7159-7508
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-2419-2735
2020 (English)In: 2020 International Conference on COMmunication Systems and NETworkS, COMSNETS 2020, Institute of Electrical and Electronics Engineers Inc. , 2020, p. 785-790Conference paper (Refereed)
Abstract [en]

Synchronization is essential for correct and consistent operation of automation systems. Synchronized devices accurately time-stamp the events and enable timely communication of messages over a communication network. In absence of a common time base, critical functions of automation systems cannot be carried out in a safe fashion. Unsynchronized systems may lead to malfunctions such as false alarms, wrong decisions and erroneous outcomes resulting into serious showstopper for plant operations. Despite technical advances in synchronization, industrial automation systems have lagged compared to telecommunication and financial services in utilization of latest synchronization technology. Thus, there is a need to investigate the adoption of synchronization in industrial networks, its current state and implementation problems. We carried out an extensive literature search in a structured way to study the evolution of synchronization in automation systems. We also investigated today's industrial automation systems and their network topologies to get insight into the synchronization techniques and mechanisms being used. As an outcome of study, the paper highlights the challenges related to synchronization in existing automation networks that need to be addressed in the immediate and short-term future. 

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2020. p. 785-790
Keywords [en]
Building Automation, Factory Automation, Heterogeneous communication, IEEE 1588, IEEE 802.1AS, IEEE C37.238, Industrial automation, Industrial networks, Last-mile connectivity, NTP, PTP, Secured synchronization, SNTP, Substation Automation, Synchronization, IEEE Standards, Intelligent buildings, Telecommunication services
National Category
Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:mdh:diva-47458DOI: 10.1109/COMSNETS48256.2020.9027323Scopus ID: 2-s2.0-85082169343ISBN: 9781728131870 (print)OAI: oai:DiVA.org:mdh-47458DiVA, id: diva2:1421163
Conference
2020 International Conference on COMmunication Systems and NETworkS, COMSNETS 2020, 7 January 2020 through 11 January 2020
Note

Conference code: 158297; Export Date: 2 April 2020; Conference Paper

Available from: 2020-04-02 Created: 2020-04-02 Last updated: 2020-04-02Bibliographically approved

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Lisova, ElenaÅkerberg, JohanBjörkman, Mats

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Citation style
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  • Other locale
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