no code implementations • 7 Jun 2023 • Bruno Paes Leao, Jagannadh Vempati, Siddharth Bhela, Tobias Ahlgrim, Daniel Arnold
The resulting Augmented Digital Twin (ADT) is then employed in a sequential decision-making optimization formulated to yield the most critical attack scenarios as measured by the defined KPI.
no code implementations • 21 Feb 2023 • Tong Wu, Anna Scaglione, Daniel Arnold
This paper presents a novel primal-dual approach for learning optimal constrained DRL policies for dynamic optimal power flow problems, with the aim of controlling power generations and battery outputs.
no code implementations • 17 Aug 2022 • Tong Wu, Anna Scaglione, Daniel Arnold
The effective representation, precessing, analysis, and visualization of large-scale structured data over graphs are gaining a lot of attention.
no code implementations • 31 Mar 2022 • Tong Wu, Ignacio Losada Carreno, Anna Scaglione, Daniel Arnold
This paper proposes a model-free Volt-VAR control (VVC) algorithm via the spatio-temporal graph ConvNet-based deep reinforcement learning (STGCN-DRL) framework, whose goal is to control smart inverters in an unbalanced distribution system.
no code implementations • 27 Jan 2022 • Daniel Arnold, Sy-Toan Ngo, Ciaran Roberts, Yize Chen, Anna Scaglione, Sean Peisert
Volt-VAR and Volt-Watt control functions are mechanisms that are included in distributed energy resource (DER) power electronic inverters to mitigate excessively high or low voltages in distribution systems.
no code implementations • 30 Nov 2021 • Yize Chen, Yuanyuan Shi, Daniel Arnold, Sean Peisert
Fast and safe voltage regulation algorithms can serve as fundamental schemes for achieving a high level of renewable penetration in the modern distribution power grids.
no code implementations • 27 Nov 2021 • Luca Pion-Tonachini, Kristofer Bouchard, Hector Garcia Martin, Sean Peisert, W. Bradley Holtz, Anil Aswani, Dipankar Dwivedi, Haruko Wainwright, Ghanshyam Pilania, Benjamin Nachman, Babetta L. Marrone, Nicola Falco, Prabhat, Daniel Arnold, Alejandro Wolf-Yadlin, Sarah Powers, Sharlee Climer, Quinn Jackson, Ty Carlson, Michael Sohn, Petrus Zwart, Neeraj Kumar, Amy Justice, Claire Tomlin, Daniel Jacobson, Gos Micklem, Georgios V. Gkoutos, Peter J. Bickel, Jean-Baptiste Cazier, Juliane Müller, Bobbie-Jo Webb-Robertson, Rick Stevens, Mark Anderson, Ken Kreutz-Delgado, Michael W. Mahoney, James B. Brown
We outline emerging opportunities and challenges to enhance the utility of AI for scientific discovery.
1 code implementation • 11 Oct 2021 • Yize Chen, Daniel Arnold, Yuanyuan Shi, Sean Peisert
Case studies performed on both voltage regulation and topology control tasks demonstrated the potential vulnerabilities of the standard reinforcement learning algorithms, and possible measures of machine learning robustness and security are discussed for power systems operation tasks.
no code implementations • 20 Feb 2019 • Oscar Sondermeijer, Roel Dobbe, Daniel Arnold, Claire Tomlin, Tamás Keviczky
Electronic power inverters are capable of quickly delivering reactive power to maintain customer voltages within operating tolerances and to reduce system losses in distribution grids.
no code implementations • 14 Jun 2018 • Roel Dobbe, Oscar Sondermeijer, David Fridovich-Keil, Daniel Arnold, Duncan Callaway, Claire Tomlin
We consider distribution systems with multiple controllable Distributed Energy Resources (DERs) and present a data-driven approach to learn control policies for each DER to reconstruct and mimic the solution to a centralized OPF problem from solely locally available information.