<p>This paper investigates resilient impulsive control for achieving consensus in nonlinear multi-agent systems subject to partial information transmission and denial-of-service (DoS) attacks with unknown frequency and duration bounds. Many existing impulsive control protocols depend on adjustable gains or the feasibility of linear matrix inequalities. Such requirements become infeasible when hardware constraints fix the gain or severely restrict its range. Moreover, conventional resilient designs against DoS also usually require prior knowledge of attack parameters. In practice, this assumption is often unrealistic. To overcome these limitations, this paper proposes a distributed impulsive protocol that accommodates partial information transmission and unknown DoS attacks. First, an online estimation scheme is developed for the unknown DoS bounds. Second, an adaptive inter-impulse interval is proposed to guarantee sufficient successful transmissions against DoS attacks. Finally, global exponential consensus is established under mild topology and dynamics assumptions, without restrictive gain inequalities or linear matrix inequalities. Numerical examples validate the resilience and practicality of the proposed approach.</p>

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Resilient impulsive control for nonlinear multi-agent systems under partial information transmission and unknown DoS attacks

  • Yishu Wang,
  • Jianquan Lu,
  • Qihua Ruan,
  • Jungang Lou

摘要

This paper investigates resilient impulsive control for achieving consensus in nonlinear multi-agent systems subject to partial information transmission and denial-of-service (DoS) attacks with unknown frequency and duration bounds. Many existing impulsive control protocols depend on adjustable gains or the feasibility of linear matrix inequalities. Such requirements become infeasible when hardware constraints fix the gain or severely restrict its range. Moreover, conventional resilient designs against DoS also usually require prior knowledge of attack parameters. In practice, this assumption is often unrealistic. To overcome these limitations, this paper proposes a distributed impulsive protocol that accommodates partial information transmission and unknown DoS attacks. First, an online estimation scheme is developed for the unknown DoS bounds. Second, an adaptive inter-impulse interval is proposed to guarantee sufficient successful transmissions against DoS attacks. Finally, global exponential consensus is established under mild topology and dynamics assumptions, without restrictive gain inequalities or linear matrix inequalities. Numerical examples validate the resilience and practicality of the proposed approach.