New Smith Predictor and Generalized Predictive Control for Wireless Networked Control Systems

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Executive Summary

This paper aims at time-variant or uncertain network delay in the Wireless Networked Control Systems (WNCS), as well as Smith predictor models might be imprecise, a novel approach is proposed that new Smith predictor combined with Generalized Predictive Control (GPC) for the WNCS. Because new Smith dynamic predictor hides predictor model of the network delay into real transmission process of the network data, further the network delay no longer need to be measured, identified or estimated on-line. It is applicable to some occasions that wireless network delays are random, time-variant or uncertain, possibly large compared to one, even tens sampling periods, meanwhile, there are some data dropouts in closed loop.

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