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Event-triggered cooperative control for high-order nonlinear multi-agent systems with finite-time consensus

Gong Shiyin, Zheng Meirong, Hu Jing, Zhang Anguo

International Journal of Applied Mathematics and Computer Science

2023

Vol. 33, no. 3

439--448

An event-triggered adaptive control algorithm is proposed for cooperative tracking control of high-order nonlinear multiagent systems (MASs) with prescribed performance and full-state constraints. The algorithm combines dynamic surface technology and the backstepping recursive design method, with radial basis function neural networks (RBFNNs) used to approximate the unknown nonlinearity. The barrier Lyapunov function and finite-time stability theory are employed to prove that all agent states are semi-globally uniform and ultimately bounded, with the tracking error converging to a bounded neighborhood of zero in a finite time. Numerical simulations are provided to demonstrate the effectiveness of the proposed control scheme.

Rapid exponential stabilization of nonlinear continuous systems via event-triggered impulsive control

Dlala Mohsen

Demonstratio Mathematica

2022

Vol. 55, nr 1

470--481

This article investigates the problem of rapid exponential stabilization for nonlinear continuous systems via event-triggered impulsive control (ETIC). First, we propose a trigger mechanism that, when triggered by a predefined event, causes the closed-loop system exponentially stable. Then, the exponential stabilization is achieved by the designed ETIC with or without data dropout. The case where there are delays in the ETIC signals is also studied, and the exponential stabilization is proved. Finally, a numerical study is presented, along with numerical illustrations of the stability results.

Decentralized controller for software interconnected system subject to malicious attacks

Kishore Pushkar, Barisal Swadhin Kumar, Mohapatra Durga Prasad

Annals of Computer Science and Information Systems

2021

Vol. 26

211--218

This paper examines the decentralized controller for a software interconnected system subject to malicious attack. The security of software interconnected system (SIS) subject to malicious attacks is discussed using Event-Triggered Mechanism (ETM). We design a novel ETM with decentralized feedback for managing resources and keeping system stable during attacks. We use Numenta-Hierarchical Temporal Memory (N-HTM) for monitoring the ETM values. Numerical simulation of service provider system is considered for illustrating our model's effectiveness. Experiments reveal that our model stabilizes system after an average of 2s from the launch of last attack. Average consumption of the resources is reduced by 70%.