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Design and stability analysis of packet-based networked control systems in continuous time

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  • Design


In this paper, the packet-based control approach to networked control systems is extended to the continuous time case, with the use of a discretization technique for the continuous network-induced delay. The derived approach can effectively deal with network-induced delay, data packet dropout and data packet disorder simultaneously, and also leads to a novel model for networked control systems. This model offers the designer the freedom of designing different controllers with respect to specific network conditions, which is distinct from previous results and is expected to result in better performance. By applying switched system theory, the stability criterion for the closed-loop system is obtained. A numerical example to illustrate the effectiveness of the proposed approach is also presented.

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