Stabilization of networked control systems with large delays and packet dropouts

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Abstract—We consider the stabilization problem for Networked Control Systems (NCSs) with uncertain, time-varying network-induced delays and a bounded number of subsequent packet dropouts. A discrete-time model, describing a NCS with packet dropouts and time-varying delays, that can be both smaller and larger than the sampling interval, is presented. Based on this NCS model sufficient LMI conditions are proposed for the stability analysis and controller synthesis problem for two different controllers, i.e. a feedback controller that depends on both the state and the past control inputs and a state-feedback controller. The applicability of both controllers is compared.Moreover, the stability and controller synthesis LMIs allow for a performance analysis in terms of a lower bound for the transient decay rate of the response. The results are illustrated by application to a typical motion control example.
Originele taal-2Engels
TitelProceedings of the 2008 American Control Conference (ACC2008), Seattle, Washington, USA, June 11-13, 2008
Plaats van productiePiscataway
UitgeverijInstitute of Electrical and Electronics Engineers
Pagina's4991-4996
ISBN van geprinte versie978-1-4244-2078-0
StatusGepubliceerd - 2008

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