Tianya Liu

ORCID: 0000-0003-2905-0936
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Research Areas
  • Distributed Control Multi-Agent Systems
  • Neural Networks Stability and Synchronization
  • Adaptive Control of Nonlinear Systems
  • Target Tracking and Data Fusion in Sensor Networks
  • Mathematical and Theoretical Epidemiology and Ecology Models
  • Advanced Memory and Neural Computing
  • Stability and Control of Uncertain Systems

Nanjing University of Science and Technology
2021-2023

Abstract The consensus tracking control problem for singular multi‐agent systems (SMASs) with Lipschitz nonlinearities and unknown disturbances is investigated. An extended state observer using only the relative output information introduced then a distributed protocol proposed, whose performance analyzed matrix analysis, system theory Lyapunov stability theory. Sufficient conditions ensuring disturbance rejection of linear nonlinear SMASs are, respectively, obtained under directed networks....

10.1002/rnc.6060 article EN International Journal of Robust and Nonlinear Control 2022-02-07

This article aims to solve the output consensus problem for singular heterogeneous multiagent systems (MASs) subject input saturation and disturbances under leader–follower communication topology. By low-gain feedback technique regulation theory, a distributed observer-based protocol is proposed. To guarantee without involving global information of considered MAS, an adaptive control scheme further constructed address this problem, which enables it be implemented in fully fashion. With help...

10.1109/jsyst.2023.3301960 article EN IEEE Systems Journal 2023-08-17

This brief focuses on the network of singular agents with unknown disturbances. An admissible bipartite consensus problem is considered under cooperative-competitive interactions modeled by signed graphs. A distributed control algorithm derived extended state observer designed, based which multi-agent systems achieve not only disturbance rejection but also consensus. It shown that, using system theory and matrix theory, designed controller solvable for assumption connection structural...

10.1109/tcsii.2021.3058803 article EN IEEE Transactions on Circuits & Systems II Express Briefs 2021-02-13

Abstract This article investigates the bipartite output formation tracking problem of heterogeneous singular multiagent systems (MASs) over a signed digraph on which two types cases without and with input saturation are considered, respectively. First, novel protocol is presented for MASs in absence constraints. In proposed protocol, distributed observer adaptive updating mechanism constructed each follower, does not involve global information communication graph. Based observer, designed...

10.1002/rnc.6909 article EN International Journal of Robust and Nonlinear Control 2023-07-20

This paper focuses on consensus control for singular multi-agent systems with unknown external disturbances. Each agent is modeled by nonlinear dynamics, and a leader-following system considered. Then, to eliminate disturbance achieve of the studied system, an extended state observer-based distributed protocol proposed in this paper. By means matrix analysis Lyapunov theory, we establish sufficient conditions systems. Finally, numerical example presented show feasibility method.

10.23919/ccc52363.2021.9550732 article EN 2021-07-26

In this paper, average-consensus problem of multi-agent systems with measurement noise is studied under matrix-valued weighted topologies. To reduce the interference noise, a time-varying control gain introduced, and then distributed protocol proposed for each agent. With help Lyapunov function closed-loop system analyzed sufficient conditions ensuring unbiased mean square topologies are given. It proven that state agent converges in sense to common Gaussian random vector, whose mathematical...

10.23919/ccc58697.2023.10240996 article EN 2023-07-24
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