Delay robustness in consensus problems
Automatica (Journal of IFAC)
Distributed consensus over digital networks with limited bandwidth and time-varying topologies
Automatica (Journal of IFAC)
Distributed Consensus for Multiagent Systems with Communication Delays and Limited Data Rate
SIAM Journal on Control and Optimization
Consensus seeking over directed networks with limited information communication
Automatica (Journal of IFAC)
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In this paper we study motion coordination problems for groups of robots that exchange information through a rate-constrained communication network. For one-dimensional rendezvous and deployment problems with communication path graphs, we propose an integrated control and communication scheme combining a logarithmic coder/decoder with linear coordination algorithms. We show that the closed-loop performance is comparable to that achievable in the quantization-free model: the time complexity is, asymptotically on the size of the network, unchanged, and the exponential convergence factor degrades smoothly as the quantization accuracy becomes coarser.