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Effects of Wireless Packet Loss in Industrial Process Control Systems

Published

Author(s)

Yongkang Liu, Rick Candell, Nader Moayeri

Abstract

Timely and reliable sensing and actuation control are essential in networked control. This depends on not only the precision/quality of the sensors and actuators used but also on how well the communications links between the field instruments and the controller have been designed. Wireless networking offers simple deployment, reconfigurability, scalability, and reduced operational expenditure, and is easier to upgrade than wired solutions. However, the adoption of wireless networking has been slow in industrial process control due to the stochastic and less than 100% reliable nature of wireless communications and lack of a model to evaluate the effects of such communications imperfections on the overall control performance. In this paper, we study how control performance of a chemical reactor process is affected by wireless link quality, which in turn is adversely affected by severe propagation loss in harsh industrial environments, co-channel interference, and unintended interference from other devices.
Proceedings Title
Proceedings of the 2015 ISA Process Control & Safety Symposium
Conference Dates
November 9-12, 2015
Conference Location
Houston, TX, US
Conference Title
2015 Process Control & Safety Symposium

Keywords

industrial control systems, chemical process control, process resilience, process performance, measurement science, testbed, safety

Citation

Liu, Y. , Candell, R. and Moayeri, N. (2015), Effects of Wireless Packet Loss in Industrial Process Control Systems, Proceedings of the 2015 ISA Process Control & Safety Symposium, Houston, TX, US, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=919379 (Accessed November 30, 2023)
Created November 11, 2015, Updated October 12, 2021