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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.
Citation
Isa Transactions

Keywords

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

Citation

Liu, Y. , Candell, R. and Moayeri, N. (2017), Effects of Wireless Packet Loss in Industrial Process Control Systems, Isa Transactions, [online], https://doi.org/10.1016/j.isatra.2017.02.005, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=920187 (Accessed April 13, 2024)
Created February 8, 2017, Updated October 12, 2021