Create an experimental methodology to capture and characterize underlying features as well as emergent and ensemble behaviors of CPSs in abnormal and failure conditions. 

PI: Theora rice, THEORA.RICE@PNNL.GOV 

This project will seek to develop the necessary infrastructure to integrate new power hardware-in-the-loop (PHiL) capabilities with the high-fidelity experimental platform and perform experimentation across a variety of operating conditions​. PHiL is critical to performing high-fidelity, closed-loop experiments on microgrid subsystems such as buildings and energy storage systems in a variety of off-normal operating conditions. ​

In FY 2021, the project performed initial pilot studies in the SEB Annex building control system testbed. Through these pilot studies, the types of data needed, location and addition of sensors necessary, and experiment procedures will be learned. Scanning, access control, and component-focused experiments were performed in the initial pilot study. The study produced network packet capture, electrical reading, and security scan datasets. In addition, the team connected with potential collaborators from other national laboratories to search for opportunities to study distributed energy resource systems that PNNL does not have, including photovoltaic inverter systems, electric vehicle (EV) charging stations, and wind turbines.

In FY 2022, this project plans to complete a fully controlled experimental study of the SEB Annex Building control system testbed utilizing the new PHiL capabilities. In addition, controlled experiments around two other DER systems will be performed against the SEB 112 building electrical storage system and the new EV simulator unless an opportunity for a third-party experiment presents itself. The project will operate in an agile fashion and pivot to experiments with the most impact to best align resources and schedules. Throughout the design and execution of these experiments, the team will maintain regular contact with the rest of the initiative projects to assure that the datasets generated are optimally useful for answering the broadest set of questions and enabling development of control approaches.

• Goal I: Complete three subsystem trials: SEB Annex (v. 2), Energy Storage System, PNNL EV Charging System.
• Goal II: Develop data and reports characterizing the behavior of the Annex, ESS, and EV Charging System* that can be fed into Thrust 2 needs.
• Goal III: Establish communication pathways with our external collaborators and actively collaborate with them during FY 2022, if possible.

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