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Stochastic Channel Allocation for Networked Control Systems | IEEE Journals & Magazine | IEEE Xplore

Stochastic Channel Allocation for Networked Control Systems


Abstract:

In this letter, we study a channel scheduling problem for a class of networked nonlinear control systems. The controller, sensors, and actuators of a group of dynamically...Show More

Abstract:

In this letter, we study a channel scheduling problem for a class of networked nonlinear control systems. The controller, sensors, and actuators of a group of dynamically decoupled nonlinear subsystems are connected through a digital communication channel, and due to the limited capacity, only one sensor and actuator can communicate with the controller at each time instant. To alleviate the negative effects of the limited communication capacity, we adopt a predictive control framework for controller/scheduler co-design. Instead of sending a single control value, the controller sends a sequence of predicted control values to a selected actuator so that there are control input candidates which can be fed to the subsystem when the actuator does not communicate with the controller. A stochastic algorithm is designed to schedule the sensors and actuators and we show that stochastic stability can be achieved under some mild assumptions and properly chosen design parameters.
Published in: IEEE Control Systems Letters ( Volume: 1, Issue: 1, July 2017)
Page(s): 176 - 181
Date of Publication: 06 June 2017
Electronic ISSN: 2475-1456

Funding Agency:


References

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