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Using Aol Forecasts in Communicating and Robust Distributed Model-Predictive Control
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DOI：10.1109/TCNS.2021.3124260.png)
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Abstract
En 中文
In order to enhance the performance of cyber-physical systems, this article proposes the integrated design of distributed controllers for distributed plants together with the control of the communication network. Conventional design methods use static interfaces between both entities and, therefore, rely on worst-case estimations of communication delay, often leading to conservative behavior of the overall system. By contrast, the present approach establishes a robust distributed model-predictive control scheme, in which the local subsystem controllers operate under the assumption of a variable communication schedule that is predicted by a network controller. Using appropriate models for the communication network, the network controller applies a predictive network policy for scheduling the communication among the subsystem controllers across the network. Given the resulting time-varying predictions of the age of information, this article shows under which conditions the subsystem controllers can robustly stabilize the distributed system. To illustrate the approach, this article also reports on the application to a vehicle platooning scenario.
Keywords:
Age of information (Aol)
distributed control
latency
networked control systems
optimal scheduling
predictive control
robustness
Journal
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5
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1.6K
Citations:
5.8K