State synchronization of a class of homogeneous linear multi-agent systems in the presence of unknown input delays via static protocols

2019 ◽  
Vol 47 ◽  
pp. 20-29
Author(s):  
Meirong Zhang ◽  
Ali Saberi ◽  
Anton A. Stoorvogel ◽  
Zhenwei Liu
Keyword(s):  
Unknown Input ◽  
Multi Agent Systems ◽  
Agent Systems ◽  
Multi Agent ◽  
Input Delays ◽  
Homogeneous Linear

Leader-Following Consensus Control of General Linear Multi-Agent Systems With Diverse Time-Varying Input Delays

2017 ◽  
Vol 140 (6) ◽  
Author(s):  
Chengzhi Yuan
Keyword(s):  
Single Agent ◽  
General Linear ◽  
Control Synthesis ◽  
Time Varying ◽  
Multi Agent Systems ◽  
Consensus Control ◽  
Agent Systems ◽  
Leader Following ◽  
Multi Agent ◽  
Input Delays

This paper addresses the problem of leader-following consensus control of general linear multi-agent systems (MASs) with diverse time-varying input delays under the integral quadratic constraint (IQC) framework. A novel exact-memory distributed output-feedback delay controller structure is proposed, which utilizes not only relative estimation state information from neighboring agents but also local real-time information of time delays and the associated dynamic IQC-induced states from the agent itself for feedback control. As a result, the distributed consensus problem can be decomposed into H∞ stabilization subproblems for a set of independent linear fractional transformation (LFT) systems, whose dimensions are equal to that of a single agent plant plus the associated local IQC dynamics. New delay control synthesis conditions for each subproblem are fully characterized as linear matrix inequalities (LMIs). A numerical example is used to demonstrate the proposed approach.

scholarly journals Impulsive Consensus Tracking of Multiagent Systems with Quantization and Input Delays Using Position-Only Information

2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
Hong Zhou ◽  
Yu-Zhen Qin ◽  
Kuo Feng ◽  
Wen-Shan Hu ◽  
Zhi-Wei Liu
Keyword(s):  
Sampling Period ◽  
Second Order ◽  
Quantization Scheme ◽  
Multi Agent Systems ◽  
Agent Systems ◽  
Consensus Tracking ◽  
Sufficient And Necessary Conditions ◽  
Multi Agent ◽  
Input Delays ◽  
And Control

This paper investigates the consensus tracking problem for second-order multi-agent systems without/with input delays. Randomized quantization scheme is considered in the communication channels, and impulsive consensus tracking algorithms using position-only information are proposed for the consensus tracking of multi-agent systems. Based on the algebraic graph theory and stability theory of impulsive systems, sufficient and necessary conditions for consensus tracking are studied. It is found that consensus tracking for second-order multi-agent systems without/with input delays can be achieved by appropriately choosing the sampling period and control gains which are determined by second/third degree polynomials. Simulations are performed to validate the theoretical results.

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