Distributed Consensus for Multiagent Systems with Communication Delays and Limited Data Rate

Authors:
Shuai Liu;Tao Li;Lihua Xie
Affiliations:
lius0025@ntu.edu.sg and elhxie@ntu.edu.sg;litao@amss.ac.cn;-
Venue:
SIAM Journal on Control and Optimization
Year:
2011

Citing 13
Cited 2

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Reaching a Consensus in a Dynamically Changing Environment: A Graphical Approach

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Reaching a Consensus in a Dynamically Changing Environment: Convergence Rates, Measurement Delays, and Asynchronous Events

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Average consensus problems in networks of agents with delayed communications

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Brief paper: Consensus protocols for discrete-time multi-agent systems with time-varying delays

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Distributed consensus algorithms in sensor networks with imperfect communication: link failures and channel noise

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Coordination and Consensus of Networked Agents with Noisy Measurements: Stochastic Algorithms and Asymptotic Behavior

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Quantized Coordination Algorithms for Rendezvous and Deployment

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Coding With Side Information for Rate-Constrained Consensus

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Consensus seeking over directed networks with limited information communication

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Continuous-time and sampled-data-based average consensus with logarithmic quantizers

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Abstract

This paper considers the average consensus problem for multiagent networks with communication delays and limited data rate. On one hand, communication delays often exist in information acquisition and transmission; on the other hand, only limited state information of agents can be transmitted to their neighbors at each time step due to bandwidth constraints. The average consensus problem becomes much more complicated when both delays and data-rate constraints are to be considered. In this paper, a distributed consensus protocol is proposed based on dynamic encoding and decoding. It is shown that for a connected network, as long as the time delays are bounded, the average consensus can be achieved with a finite communication data rate. In particular, it is shown that merely a one-bit information exchange between each pair of adjacent agents at each time step suffices to guarantee the average consensus.