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A system is linear if it displays the characteristics of homogeneity and additivity, together termed the superposition property. This principle is fundamental in all linear systems. Linear time-invariant (LTI) systems include systems with linear elements and constant parameters.
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Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
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Finite-time consensus of nonlinear multi-agent systems with intermittent DoS attacks.

Boyu Wang1, Yijun Zhang1, Baoyong Zhang1

  • 1School of Automation, Nanjing University of Science and Technology, Nanjing, 210094, China.

ISA Transactions
|October 10, 2025
PubMed
Summary
This summary is machine-generated.

This study addresses finite-time consensus in nonlinear multi-agent systems (MASs) facing intermittent denial-of-service (DoS) attacks. New methods ensure consensus despite attacks, with faster convergence when more information is available.

Keywords:
ConsensusDoS attacksFinite-timeIntermittent controlStability criteria

Related Experiment Videos

Last Updated: Jan 15, 2026

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Area of Science:

  • Control Theory
  • Networked Systems
  • Cybersecurity

Background:

  • Nonlinear multi-agent systems (MASs) are crucial in distributed control.
  • Intermittent denial-of-service (DoS) attacks disrupt communication, posing significant challenges to system stability and consensus.
  • DoS attacks can alter network topology, leading to partially or completely broken communication links.

Purpose of the Study:

  • To investigate the finite-time consensus problem in nonlinear MASs under intermittent DoS attacks.
  • To develop a novel finite-time stability criterion for intermittent control systems.
  • To establish sufficient conditions for achieving finite-time consensus despite communication disruptions.

Main Methods:

  • Development of a new finite-time stability standard tailored for intermittent control systems.
  • Application of the piecewise Lyapunov function approach to derive stability criteria.
  • Analysis of three distinct topological structures induced by DoS attacks: preserved connectivity, partially broken links, and completely broken links.

Main Results:

  • Sufficient criteria are derived to guarantee finite-time consensus in nonlinear MASs under intermittent DoS attacks.
  • Estimation methods for the settling time are provided.
  • Demonstration that increased availability of valuable information leads to reduced settling times.

Conclusions:

  • The proposed methods effectively ensure finite-time consensus in nonlinear MASs despite intermittent DoS attacks.
  • The derived stability criteria offer a robust framework for analyzing such systems.
  • System performance, specifically settling time, can be optimized by leveraging available information.