Applied numerical linear algebra
Applied numerical linear algebra
Fundamentals of wireless communication
Fundamentals of wireless communication
On exploiting asymmetric wireless links via one-way estimation
Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing
Maintaining network connectivity and performance in robot teams: Research Articles
Journal of Field Robotics - Special Issue on Search and Rescue Robots
Distributed Tree Rearrangements for Reachability and Robust Connectivity
HSCC '09 Proceedings of the 12th International Conference on Hybrid Systems: Computation and Control
Distributed Motion Constraints for Algebraic Connectivity of Robotic Networks
Journal of Intelligent and Robotic Systems
Distributed Control of Robotic Networks: A Mathematical Approach to Motion Coordination Algorithms
Distributed Control of Robotic Networks: A Mathematical Approach to Motion Coordination Algorithms
Brief paper: Decentralized estimation and control of graph connectivity for mobile sensor networks
Automatica (Journal of IFAC)
Distributed Coordination Control of Multiagent Systems While Preserving Connectedness
IEEE Transactions on Robotics
Potential Fields for Maintaining Connectivity of Mobile Networks
IEEE Transactions on Robotics
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To accomplish cooperative tasks, robotic systems are often required to communicate with each other. Thus, maintaining connectivity of the communication graph is a fundamental issue in the field of multi-robot systems. In this paper we present a completely decentralized control strategy for global connectivity maintenance of the communication graph. Considering the disk communication model, we describe a gradient-based control strategy that exploits decentralized estimation of the algebraic connectivity. Unlike previous approaches available in the literature, the proposed control algorithm solves the global connectivity problem in a decentralized manner providing theoretical guarantees, without requiring maintenance of the local connectivity between robotic systems. Moreover, results obtained with simulations and experiments on real robots are described for demonstrating the efficacy of the proposed algorithm.