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Filters: Author is Beg, Omar Ali  [Clear All Filters]
2021-09-16
Beg, Omar Ali, Yadav, Ajay P., Johnson, Taylor T., Davoudi, Ali.  2020.  Formal Online Resiliency Monitoring in Microgrids. 2020 Resilience Week (RWS). :99–105.
This work adopts an online resiliency monitoring framework employing metric temporal logic (MTL) under cyber-physical anomalies, namely false-data injection attacks, denial-of-service attacks, and physical faults. Such anomalies adversely affect the frequency synchronization, load sharing, and voltage regulation in microgrids. MTL formalism is adopted to monitor the outputs of inverters/converters against operational bounds, detect and quantify cyber-physical anomalies, monitor the microgrid's resiliency during runtime, and compare mitigation strategies. Since the proposed framework does not require system knowledge, it can be deployed on a complex microgrid. This is verified using an IEEE 34-bus feeder system and a DC microgrid cluster in a controller/hardware-in-the-loop environment.