CAREER: Reliability Assessment and Risk Mitigation Principles for Smart Interdependent Infrastructure Systems-NSF Award: #0748231

smart grid

Smart grid resilience

Smart grid uses a unique, digital platform for fast and reliable sensing, measurement, communication, computation, control, protection, visualization, and maintenance of the entire transmission & distribution systems. It is expected to not only prevent the disruptive events, but also maintain a high functionality level following disruptions. This property is termed resilience.

Reliability and topology based design of infrastructure interfaces

Reliability and topology based design of infrastructure interfaces

This project focuses on the reliability-based design of infrastructure systems considering both network topological features and network interdependence. Positive and negative effects of interconnectedness are studied for a broader exploration of infrastructure coupling. Modern inverse reliability tools are adopted in this research to design multi-network systems that achieve targeted network-level performance. Such target designs consider the reliability of individual components, connecting links, and inter- and intra- network topological features. The balance between coupling strength (IS) and density (ID) under conflicting objectives of operational efficiency increase and failure propagation decrease is optimally achieved in the design.

transmission line

Topological bounds and hierarchical clustering for network reliability assessment

Infrastructure systems such as power transmission grids constitute the backbone of modern societies. Large infrastructure systems are complex networks, and therefore their response to component failure cannot be studied by only focusing on individual components, but on their interconnection patters as well. Any disruptions to the functionality of components in infrastructure.

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