H8 observer-based consensus for nonlinear multiagent systems with actuator saturation and input delays
INTERNATIONAL JOURNAL OF CONTROL(2024)
Abstract
In this paper, H infinity observer-based consensus for a class of nonlinear multiagent systems (MASs) with actu-ator saturation and input delays are estimated. A new delay-dependent region partitioning approach has been introduced in multiagent systems. The state information of the leader can be obtained by designing a distributed observer for each follower. Based on the state information of the follower and the estimated state information of the neighbouring agents, a distributed controller has been developed. With the help of a novel Lyapunov-Krasovakii functional (LKF), using a region partitioning approach combined with Wirtinger inequalities, a sufficient condition is established in terms of Linear Matrix Inequality (LMI). Finally, simulation examples are presented to the applicability of the proposed theoretical results.
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Key words
Nonlinear MASs,leader-following consensus,distributed controller,actuator saturation,input delays
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