Scaled Consensus of Exponentially Unstable Networked Systems With Time-Varying Input Delay
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS(2023)
摘要
This work studies the scaled consensus problems of exponentially unstable networked systems with time-varying input delays. First, a distributed consensus algorithm is designed under the truncated predictor feedback technique. Then, a delay bound is evaluated by utilizing the Lyapunov function-based method. Moreover, the consensus can be guaranteed when the upper bound of the time-varying input delay is no more than the delay bound. Furthermore, the relation between the delay bound and the network synchronizability is established. In other words, better network synchronizability implies a bigger delay bound. Finally, in the simulation examples, the feasibility of the theoretical results is verified, and the actual delay bounds are evaluated.
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关键词
Delays,Network topology,Eigenvalues and eigenfunctions,Upper bound,Time-varying systems,Laplace equations,Delay effects,Delay bound,exponentially unstable,scaled consensus,time-varying input delay (TVID),truncated predictor feedback (TPF)
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