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Network-Aware Controller Design With Performance Guarantees for Linear Wireless Systems
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DOI：10.1109/TAC.2020.3035537.png)
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Abstract
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We investigate discrete-time closed-loop dynamics consisting of a linear plant, a linear controller, and a wireless network that connects the sensors and the actuators to the control unit. The objective, as well as the main contribution of this article, is the static output feedback control synthesis under given network specifications. Precisely, network features are formulated in terms of stochastic allowable transmission interval (SATI), which is a concept well suited for the time-triggered control of wireless network control systems (WNCS). Given SATI parameters, we provide sufficient conditions in terms of linear matrix inequalities, under which we can design a static output feedback controller that stabilizes the closed-loop WNCS in mean square sense. Moreover, we guarantee that a quadratic control cost is less than a given bound. Consequently, the results can be used to ensure not only stability but also desired control performances for the WNCS and its SATI characteristics.
Keywords:
Output feedback
Wireless networks
Symmetric matrices
Clocks
Closed loop systems
Sensors
Random variables
Linear matrix inequalities
markov processes
networked control systems
wireless networks
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