Journal
ISA TRANSACTIONS
Volume 68, Issue -, Pages 150-159Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.isatra.2017.01.001
Keywords
Multi-agent systems; Leader-follower consensus; Aperiodic sampling; Switching topology; Linear matrix inequality (LMI)
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Funding
- National Natural Science Foundation of China [61403341, 61673350]
- Open Foundation of the First Level Zhejiang Key in Key Discipline of Control Science and Engineering
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This paper is concerned with the distributed H infinity consensus of leader-follower multi-agent systems with aperiodic sampling interval and switching topologies. Under the assumption that the sampling period takes values from a given set, a new discrete-time model is proposed for the tracking error system. For the multi-agent systems with time-varying sampling period, switching topologies and external disturbance, the considered tracking problem is converted to a robust H infinity control problem. With help. of the Lyapunov stability theory, a sufficient condition for the existence of mode-dependent controller is established and it guarantees the exponential stability of tracking error system and a prescribed H infinity, disturbance attenuation level. The influence of sampling period on the overall control performance is also discussed. Two simulation examples are given to show the effectiveness of the proposed control algorithm. (C) 2017 Published by Elsevier Ltd. on behalf of ISA.
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