Distributed Structural Stabilization and Tracking for Formations of Dynamic Multi-Agents

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Reza Olfati-Saber and Richard M. Murray
Submitted, 2002 Conference on Decision and Control (CDC)

In this paper, we provide a theoretical framework that consists of graph theoretical and Lyapunov-based approaches to stability analysis and distributed control of multi-agent formations. This framework relays on the notion of graph rigidity as a means of identifying the shape variables of a formation. Using this approach, we can formally define formations of multiple vehicles and three types of stabilization/tracking problems for dynamic multi-agent systems. We show how these three problems can be addressed mutually independent of each other for a formation of two agents. Then, we introduce a procedure called dynamic node augmentation that allows construction of a larger formation with more agents that can be rendered structurally stable in a distributed manner from some initial formation that is structurally stable. We provide two examples of formations that can be controlled using this approach, namely, the V-formation and the diamond formation.

  • Conference
 Paper: http://www.cds.caltech.edu/~murray/preprints/om02b-cdc.pdf