This paper studies the periodic zero-dynamics attacks(ZDAs)in multi-agent systems without velocity measurements under directed graph.Specifically,two types of attack modes are addressed,i.e.,infinite number and finite...This paper studies the periodic zero-dynamics attacks(ZDAs)in multi-agent systems without velocity measurements under directed graph.Specifically,two types of attack modes are addressed,i.e.,infinite number and finite number of zero-dynamics attacks.For the former case,the authors show that the consensus of the considered system cannot be guaranteed.For the latter case,the dynamic evolution of the agents is investigated and it is found that only attacking the rooted agents can destroy the consensus.Then,a sufficient condition which quantifies whether or not the consensus value is destroyed is given,revealing the relationship among parameters of system model,filter and attack signal.Finally,simulations are carried out to verify the effectiveness of the theoretical findings.展开更多
基金supported by the National Natural Science Foundation of China under Grant Nos.62173243 and 61933014.
文摘This paper studies the periodic zero-dynamics attacks(ZDAs)in multi-agent systems without velocity measurements under directed graph.Specifically,two types of attack modes are addressed,i.e.,infinite number and finite number of zero-dynamics attacks.For the former case,the authors show that the consensus of the considered system cannot be guaranteed.For the latter case,the dynamic evolution of the agents is investigated and it is found that only attacking the rooted agents can destroy the consensus.Then,a sufficient condition which quantifies whether or not the consensus value is destroyed is given,revealing the relationship among parameters of system model,filter and attack signal.Finally,simulations are carried out to verify the effectiveness of the theoretical findings.
