NDLI: Disturbance observer-based consensus control of input-delayed LTI systems with matched disturbances: a predictor feedback approach

Content Provider	IET Digital Library
Author	Zhao, Yadong Zhang, Weidong
Abstract	The study addresses the consensus problem of linear time invariant (LTI) multi-agent systems with constant input delay and matched external disturbances by using relative output information. First, distributed disturbance observers are constructed to estimate the disturbances generated by linear exosystems with unknown initial conditions. Next, a disturbance observer-based predictor feedback control law is developed for each agent to realise consensus disturbance rejection in the presence of input delay. Then, a linear matrix inequality-based control design algorithm is given to determine the satisfactory control parameters. It is proved that state consensus can be achieved for both leaderless and leader–follower networks in the presence of large input delay and matched disturbances under the control scheme. Finally, a simulation example is provided to validate the theoretical results.
Starting Page	1584
Ending Page	1591
Page Count	8
ISSN	17518644
Volume Number	12
e-ISSN	17518652
Issue Number	Issue 11, Jul (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/12/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2017.1006
Journal	IET Control Theory & Applications
Publisher Date	2018-04-03
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Control Algebra Combinatorial Mathematics Consensus Disturbance Rejection Constant Input Delay Control System Analysis Control System Synthesis Delay Distributed Disturbance Observers Distributed Parameter Control System Disturbance Observer External Disturbances Feedback Linear ExoSystem Linear Matrix Inequalities Linear Matrix Inequality-based Control Design Algorithm Linear System Linear Time Invariant Multiagent System LTI System Lyapunov Method Matched Disturbances Multi-agent System Multivariable Control System Network Theory (Graph) Nonlinear Control System Observers Predictor Feedback Control Law Relative Output Information Satisfactory Control Parameter Self Adjusting Control System Stability Stability in Control Theory State Consensus Synthesis Method Time Varying Control System Time Varying System Uncertain System Unknown Initial Condition
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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