Consensus seeking in multi-agent systems with noisy and delayed communication in digraphs having spanning tree

Sabir Djaidja and Qinghe Wu

International Journal of Systems Science, 2016, vol. 47, issue 12, 2975-2984

Abstract: This paper studies the consensus problem of continuous-time single-integrator multi-agent systems with measurement noises and time delays under directed fixed topologies. Each agent in the team receives imprecise and delayed information from its neighbours. The noises are considered white noises, and time delays are assumed to be uniform for all the received information states. An analysis framework based on graph theory and stochastic tools is followed to derive conditions under which the asymptotic unbiased mean square linear χ-consensus is achieved in directed fixed topologies having a spanning tree. Then, conditions to achieve asymptotic unbiased mean square average consensus are deduced for fixed balanced digraphs having a spanning tree. The effectiveness of the proposed algorithms is proved through some simulations.

Date: 2016
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DOI: 10.1080/00207721.2015.1053831

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