research-article

Wireless routing and control: a cyber-physical case study

Authors:

Bo Li,

Chenyang LuAuthors Info & Claims

ICCPS '16: Proceedings of the 7th International Conference on Cyber-Physical Systems

Article No.: 32, Pages 1 - 10

Published: 11 April 2016 Publication History

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Abstract

Wireless sensor-actuator networks (WSANs) are being adopted in process industries because of their advantages in lowering deployment and maintenance costs. While there has been significant theoretical advancement in networked control design, only limited empirical results that combine control design with realistic WSAN standards exist. This paper presents a cyber-physical case study on a wireless process control system that integrates state-of-the-art network control design and a WSAN based on the WirelessHART standard. The case study systematically explores the interactions between wireless routing and control design in the process control plant. The network supports alternative routing strategies, including single-path source routing and multi-path graph routing. To mitigate the effect of data loss in the WSAN, the control design integrates an observer based on an Extended Kalman Filter with a model predictive controller and an actuator buffer of recent control inputs. We observe that sensing and actuation can have different levels of resilience to packet loss under this network control design. We then propose a flexible routing approach where the routing strategy for sensing and actuation can be configured separately. Finally, we show that an asymmetric routing configuration with different routing strategies for sensing and actuation can effectively improve control performance under significant packet loss. Our results highlight the importance of co-joining the design of wireless network protocols and control in wireless control systems.

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Mager FBaumann DJacob RThiele LTrimpe SZimmerling MLiu XTabuada PPajic MBushnell L(2019)Feedback control goes wirelessProceedings of the 10th ACM/IEEE International Conference on Cyber-Physical Systems10.1145/3302509.3311046(97-108)Online publication date: 16-Apr-2019
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Index Terms

Wireless routing and control: a cyber-physical case study
1. Networks
  1. Network architectures
2. Software and its engineering
  1. Software organization and properties
    1. Software system structures
      1. Distributed systems organizing principles
        Organizing principles for web applications

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Reviews

Reviewer: Mohammad Sadegh Kayhani Pirdehi

Utilization of wireless sensor networks at automated industrial processing plants, not only for monitoring aspects but also for actuator ones, opens a new horizon for their deployment. In this platform, sensing components, control adapters, and actuating entities are the main elements that interact to perform automated industrial processing in an online and sensitive manner. They are connected by a wireless mesh networking platform, a wireless control processing system. In this configuration, information about the environment is transferred by the sensors, appropriate decisions are made by the control section, and the commands are dispatched to the actuators. Packet loss, which is a common issue in wireless networking, is more critical in the link between the control unit and actuators than between the sensors and the control unit. In the former, the command messages should be transferred at a more timely and reliable manner to perform the appropriate action with a defined accuracy and precision. A joint network routing and control mechanism policy is proposed to mitigate the destructive effects of packet loss. In the control system, based on the prediction and update mechanisms at the extended Kalman filter (EKF), with the presence of the uncertainties in the communication media, a state observer is used to determine the next most appropriate state, utilizing a model predictive control (MPC) policy. In addition, a buffer in the actuators is placed to store the received control commands and alleviate the possible packet loss effects. A WirelessHART architecture with physical layer specification IEEE802.15.4 is considered for the network design. The proposed asymmetric routing mechanism is the most significant part of the paper: in response to the different nature of requirements in the network, both source-routing and graph-routing mechanisms are utilized simultaneously for sensor-control and control-actuator links, respectively. A comprehensive case study in accord with its theoretical discussion is presented, and gained results are demonstrated. The paper definitely has many good and fruitful ideas, but the mutual interaction and influences of the control section and wireless system, somehow, are vague. Online Computing Reviews Service

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Information & Contributors

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Published In

ICCPS '16: Proceedings of the 7th International Conference on Cyber-Physical Systems

April 2016

291 pages

General Chairs:
Xenofon Koutsoukos
Vanderbilt University
,
Ian M. Mitchell
University of British Columbia, Canada

Publisher

IEEE Press

Publication History

Published: 11 April 2016

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Research-article

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ICCPS '16

Sponsor:

SIGBED

ICCPS '16: ACM/IEEE 7th International Conference on Cyber-Physical Systems

April 11 - 14, 2016

Vienna, Austria

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Cited By

View all

Ayan OVilgelm MKlügel MHirche SKellerer WLiu XTabuada PPajic MBushnell L(2019)Age-of-information vs. value-of-information scheduling for cellular networked control systemsProceedings of the 10th ACM/IEEE International Conference on Cyber-Physical Systems10.1145/3302509.3311050(109-117)Online publication date: 16-Apr-2019
https://dl.acm.org/doi/10.1145/3302509.3311050
Mager FBaumann DJacob RThiele LTrimpe SZimmerling MLiu XTabuada PPajic MBushnell L(2019)Feedback control goes wirelessProceedings of the 10th ACM/IEEE International Conference on Cyber-Physical Systems10.1145/3302509.3311046(97-108)Online publication date: 16-Apr-2019
https://dl.acm.org/doi/10.1145/3302509.3311046
Kim DWon YKim SEun YPark KJohansson KLiu XTabuada PPajic MBushnell L(2019)Sampling rate optimization for IEEE 802.11 wireless control systemsProceedings of the 10th ACM/IEEE International Conference on Cyber-Physical Systems10.1145/3302509.3311045(87-96)Online publication date: 16-Apr-2019
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Ma YGuo JWang YChakrabarty AAhn HOrlik PLu CLiu XTabuada PPajic MBushnell L(2019)Optimal dynamic scheduling of wireless networked control systemsProceedings of the 10th ACM/IEEE International Conference on Cyber-Physical Systems10.1145/3302509.3311040(77-86)Online publication date: 16-Apr-2019
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Cheng XShi JSha MLandsiedel ONahrstedt K(2019)Cracking the channel hopping sequences in IEEE 802.15.4e-based industrial TSCH networksProceedings of the International Conference on Internet of Things Design and Implementation10.1145/3302505.3310075(130-141)Online publication date: 15-Apr-2019
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Wang WMosse DCole DPickel JOuhammou YRidouard FGrolleau EJan MBehnam M(2018)Dynamic Wireless Network Reconfiguration for Control System applied to a Nuclear Reactor Case StudyProceedings of the 26th International Conference on Real-Time Networks and Systems10.1145/3273905.3273912(30-40)Online publication date: 10-Oct-2018
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Ma YGunatilaka DLi BGonzalez HLu C(2018)Holistic Cyber-Physical Management for Dependable Wireless Control SystemsACM Transactions on Cyber-Physical Systems10.1145/31855103:1(1-25)Online publication date: 5-Sep-2018
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Holistic Cyber-Physical Management for Dependable Wireless Control Systems

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