Output feedback stabilization of networked control systems with a logic zero-order-hold. (English) Zbl 1432.93276
Summary: This paper is concerned with output feedback stabilization of a networked control system in the discrete-time domain. First, a logical zero-order-hold is introduced to select the newest data packets to drive the plant, with which network-induced delays and data packet dropouts can be expressed explicitly. Second, an auxiliary vector-valued function is introduced to establish a novel finite-sum inequality, which can provide a tighter bound than some existing ones for some finite-sum term. Third, this finite-sum inequality is employed to formulate a stability criterion for the closed-loop system under consideration. It is proven that the stability criterion is of less conservatism than some existing ones reported in the literature. Fourth, a cone-complementary-linearization-based algorithm is presented to design suitable output feedback controllers. Finally, three examples are given to show the effectiveness of the proposed method.
MSC:
| 93D15 | Stabilization of systems by feedback |
| 93D20 | Asymptotic stability in control theory |
| 93B70 | Networked control |
| 93C43 | Delay control/observation systems |
Keywords:
networked control system; output feedback stabilization; finite-sum inequality; input delayReferences:
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