RobustL2-L∞ consensus control is studied for second-rnorder multi-agent systems with external disturbances rnand parameter rnuncertainties. By defining an appropriate controlled rnoutput, consensus problem of the systems is rntransformed into a normal L2-L∞ rncontrol problem, and then a distributed state rnfeedback protocol with time-delay is proposed. rnSufficient conditions are established for rnthe convergence to consensus of the network on fixed rnor switching topology. Numerical simulations are rnprovided to demonstrate the rneffectiveness of theoretical results.
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