title: Discontinuous Observers Design for Finite-Time Consensus of Multiagent Systems With External Disturbances.
abstract: This brief investigates the problem offinite-time robust consensus(FTRC) for second-order nonlinear multiagent systems with external disturbances. Based on the global finite-time stability theory of discontinuous homogeneous systems, a novel finite-time convergentdiscontinuous disturbed observer(DDO) is proposed for the leader-following multiagent systems. The states of the designed DDO are then used to design the control inputs to achieve the FTRC of nonlinear multiagent systems in the presence of bounded disturbances. The simulation results are provided to validate the effectiveness of these theoretical results.This brief investigates the problem offinite-time robust consensus(FTRC) for second-order nonlinear multiagent systems with external disturbances. Based on the global finite-time stability theory of discontinuous homogeneous systems, a novel finite-time convergentdiscontinuous disturbed observer(DDO) is proposed for the leader-following multiagent systems. The states of the designed DDO are then used to design the control inputs to achieve the FTRC of nonlinear multiagent systems in the presence of bounded disturbances. The simulation results are provided to validate the effectiveness of these theoretical results.
authors.affiliation: Jiangsu Key Laboratory for Education Big Data Science and Engineering, School of Computer Science and Technology, Jiangsu Normal University, Xuzhou, China.
authors.forename: Xiaoyang
authors.initials: X
authors.lastname: Liu
authors.affiliation: Department of Mathematics, City University of Hong Kong, Hong Kong.
authors.forename: Daniel W C
authors.initials: DWC
authors.lastname: Ho
authors.affiliation: Department of Mathematics, Southeast University, Nanjing, China.
authors.forename: Jinde
authors.initials: J
authors.lastname: Cao
authors.affiliation: Department of Mathematics, City University of Hong Kong, Hong Kong.
authors.forename: Wenying
authors.initials: W
authors.lastname: Xu
keywords: Computer crime; Learning systems; Multi-agent systems; Observers; Robustness; Topology; Uncertain systems