Controllability is a basic requirement for control of networked systems. This chapter presents a framework for joint input selection based on joint optimization of performance and controllability. Standard conditions for controllability are discussed, including matrix pencil, controllability Gramian, and graph-theoretic conditions. The main contribution of this chapter is a formulation of controllability conditions as matroid constraints, enabling joint optimization of performance and controllability as a submodular maximization problem with matroid constraints. A graph controllability index is given, which characterizes the largest controllable subgraph of the network, and its submodular structure is proved. Application of this approach to consensus networks is discussed.
CITATION STYLE
Clark, A., Alomair, B., Bushnell, L., & Poovendran, R. (2016). Joint performance and controllability of networked systems. In Communications and Control Engineering (pp. 175–198). Springer International Publishing. https://doi.org/10.1007/978-3-319-26977-1_9
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