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Design of a Wireless Control System With Unreliable Nodes and Communication Links | JoVE Visualize

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Design of a Wireless Control System With Unreliable Nodes and Communication Links

Ahmad W Al-Dabbagh

IEEE Transactions on Cybernetics|July 11, 2018

View abstract on PubMed

Summary

This study introduces a novel control system topology with an intermediate network, enhancing robustness against system and communication failures. It provides practical design methods for reliable closed-loop control systems.

Area of Science:

Control Systems Engineering
Networked Systems

Background:

Traditional control systems rely on direct feedback loops.
Failures in plant, controller, or communication links compromise system performance.

Purpose of the Study:

To propose and analyze a new control system topology incorporating an intermediate network.
To develop modeling and computational frameworks for designing robust closed-loop systems under component and communication failures.

Main Methods:

Development of modeling frameworks for networked control systems.
Computational procedures for controller and network synthesis.
Analysis of system resilience to node and link failures.

Main Results:

Characterization of conditions for controller and network synthesis.
Quantification of maximum allowable node unavailability and communication link failure probability.
Demonstration using a four-tank process system.

Conclusions:

The proposed topology offers a more practical approach to designing resilient control systems.
The developed methods enable robust design for systems with potential failures.

Communications Engineering

Network Engineering

Design Of A Wireless Control System With Unreliable Nodes And Communication Links