Successive lag cluster consensus on multi-agent systems via delay-dependent impulsive control
Qiu Xiao-Fen, Zhang Yin-Xing, Li Ke-Zan
       

Trajectories of state variables of first-order multi-agent systems (5) with τ1=0.7 and τ2=0.1: (a) x i 1 , (b) x i 2 .