简介：
简介：ThispaperisconcernedwiththeclocksynchronizationproblemforIEEE1588networks.First,thesynchronizationerrorisdescribedasaboundeddisturbance,andalinearextendedstateobserver(LESO)isdesignedtoestimatethelumpeddisturbanceinducedbytheoscillatorfrequencydriftandtimestampsquantizationerrors.Then,thelumpeddisturbanceiscompensatedbytheproposedcontroller.Theproposedapproachhastheadvantagethatit'sabletodealwithnon-Gaussiandisturbanceinducedbyaccumulatedquantizationerrors.SimulationsareDrovidedtovalidatetheeffectivenessandsuperiorityoftheproposedapproach.
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