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Date
2014-09Type
- Conference Paper
ETH Bibliography
yes
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Abstract
Controllability and observability have long been recognized as fundamental structural properties of dynamical systems, but have recently seen renewed interest in the context of large, complex networks of dynamical systems. A basic problem is sensor and actuator placement: choose a subset from a finite set of possible placements to optimize some real-valued controllability and observability metrics of the network. Surprisingly little is known about the structure of such combinatorial optimization problems. In this paper, we show that an important class of metrics based on the controllability and observability Gramians has a strong structural property that allows efficient global optimization: the mapping from possible placements to the trace of the associated Gramian is a modular set function. We illustrate the results via placement of power electronic actuators in a model of the European power grid. Show more
Publication status
publishedExternal links
Book title
19th IFAC World Congress, IFAC 2014. ProceedingsJournal / series
IFAC Proceedings VolumesVolume
Pages / Article No.
Publisher
ElsevierEvent
Subject
Controllability; Modularity; Networks; Sensor and actuator placementOrganisational unit
03751 - Lygeros, John / Lygeros, John
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ETH Bibliography
yes
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