Automatica (Journal of IFAC)
Controllability analysis of multi-agent systems using relaxed equitable partitions
International Journal of Systems, Control and Communications
Automatica (Journal of IFAC)
Critical Infrastructure Protection
Transfer function representation of cyclic consensus systems
Automatica (Journal of IFAC)
Structural controllability of multi-agent networks: importance of individual agents
Proceedings of the 2012 ACM Research in Applied Computation Symposium
Decentralized estimation of Laplacian eigenvalues in multi-agent systems
Automatica (Journal of IFAC)
Structural controllability of multi-agent networks: Robustness against simultaneous failures
Automatica (Journal of IFAC)
Input addition and leader selection for the controllability of graph-based systems
Automatica (Journal of IFAC)
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In this work, we consider the controlled agreement problem for multi-agent networks, where a collection of agents take on leader roles while the remaining agents execute local, consensus-like protocols. Our aim is to identify reflections of graph-theoretic notions on system-theoretic properties of such systems. In particular, we show how the symmetry structure of the network, characterized in terms of its automorphism group, directly relates to the controllability of the corresponding multi-agent system. Moreover, we introduce network equitable partitions as a means by which such controllability characterizations can be extended to the multileader setting.