## Robust H∞ Controller Design for Dynamic
Consensus Networks

This research studies an H∞ suboptimal control problems of consensus networks whereby the weights of network edges are no longer static gains, but instead are dynamic systems, leading to the notion of dynamic consensus networks. We apply model, orthogonal and diagonal transformations to a dynamic consensus network in order to reduce the overall system into N −1 independent subsystems. We then establish a generalized methodology for designing a controller for a dynamic consens

## Consensus of Positive Real Systems Cascaded with a Single Integrator

This research studies output consensus in a network of interconnected non-identical positive real systems cascaded with a single integrator. Assuming undirected, diffusive interconnections, sufficient conditions are provided to ensure output consensus for two cases: (i) the individual systems are weakly strictly positive real systems cascaded with a single integrator, and (ii) the individual systems are positive real systems cascaded with a single integrator. We illustrate ou

## Cooperative Control in Multi-Agent Systems as Applied to Building Efficiency Control

My research interests include the theory of cooperative control in multi-agent systems as applied to building efficiency control: Development of methods for the control of energy flow in buildings, as enabled by cyber infrastructure. A significant novelty of this project lies in a fundamental view of a building as a set of overlapping, interacting networks. These networks include the thermal network of the physical building, the energy distribution network, the sensing and co

## Iteration-Domain Closed-Loop Frequency Response Shaping for Discrete-Repetitive Processes

Building from a recently-presented internal model principle for unit-memory discrete repetitive processes, this research considers iteration-domain control algorithms to ensure tracking of iteration-varying reference signals with support over a range of iteration- domain frequencies. By lifting the time domain signals on each pass and applying an iteration-domain complex frequency operator, the discrete repetitive process is transformed into a first-order (in the iteration fr

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