Explanipedia

Feasibility Study of Flywheel Mitigation Controls Using Hamiltonian-Based Design for E3 High-Altitude Electromagnetic Pulse Events Open

Connor A. Lehman, Rush D. Robinett, David G. Wilson, Wayne W. Weaver · 2025

This paper explores the feasibility of implementing a flywheel energy storage system designed to generate voltage for the purpose of mitigating current flow through the transformer neutral path to ground, which is induced by a high-altitud…

Bounding Case Requirements for Power Grid Protection Against High-Altitude Electromagnetic Pulses Open

Connor A. Lehman, Rush D. Robinett, Wayne W. Weaver, David G. Wilson · 2025

Securing the power grid is of extreme concern to many nations as power infrastructure has become integral to modern life and society. A high-altitude electromagnetic pulse (HEMP) is generated by a nuclear detonation high in the atmosphere,…

A Model Predictive Control to Improve Grid Resilience Open

Joseph K. Young, David G. Wilson, Wayne W. Weaver, Rush D. Robinett · 2025

The following article details a model predictive control (MPC) to improve grid resilience when faced with variable generation resources. This topic is of significant interest to utility power systems where distributed intermittent energy s…

Solid State Transformer Controls for Mitigation of E3a High-Altitude Electromagnetic Pulse Insults Open

Connor A. Lehman, Rush D. Robinett, Wayne W. Weaver, David G. Wilson · 2025

This paper explores the use of a solid state transformer (SST) to mitigate the E3A component of a high-altitude electromagnetic pulse (HEMP) insult using external energy storage optimal control techniques. In lieu of conventional passive b…

Decoupled, Decentralized, LQr-Based Controls for E3 HEMP/GMD Mitigation on the Power Grid Open

Connor A. Lehman, David G. Wilson, Rush D. Robinett, Wayne W. Weaver · 2024

Theoretical Framework for Packetized Delivergy of Energy Open

David G. Wilson, Raymond H. Byrne, Connor A. Lehman, Steven F. Glover, Rush D. Robinett , et al. · 2024

Optimal Fisher Information Equivalency for power grid integration of renewable energy Open

David G. Wilson, Rush D. Robinett, Joseph K. Young, Wayne W. Weaver, Steven F. Glover , et al. · 2024

Top-Down Control Design Strategy for Electric Power Grid EMP (E3) Protection Open

Timothy Donnelly, David G. Wilson, Rush D. Robinett, Wayne W. Weaver · 2023

A high altitude electromagnetic pulse (HEMP) caused by a nuclear explosion has the potential to severely impact the operation of large-scale electric power grids. This paper presents a top-down mitigation design strategy that considers gri…

Top-Down Control Design Strategy for Electric Power Grid EMP (E3) Protection Open

Timothy Donnelly, David G. Wilson, Rush D. Robinett, Wayne W. Weaver · 2023

Efficient WEC Array Buoy Placement optimization with Multi-Resonance Control of the Electrical Power Take-off for Improved Performance Open

Madelyn G. Veurink, Wayne W. Weaver, Rush D. Robinett, David G. Wilson, Ronald C. Matthews · 2022

An array of Wave Energy Converters (WEC) is required to supply a significant power level to the grid. However, the control and optimization of such an array is still an open research question. This paper analyzes two aspects that have a si…

Metastability of Pulse Power Loads with Nonlinear Coupled Magnetics Open

Chaitanya S. Inamdar, Wayne W. Weaver, Rush D. Robinett, David Gordon Wilson · 2022

Pulse power loads are becoming increasingly more common in many applications primarily due to applications like radar, lasers, and the technologies such as EMALS (ElectroMagnetic Aircraft Launch Systems) on next-generation aircraft carrier…

Real-Time Modeling of WEC Array Control System on OPAL-RT Platform. Open

Madelyn G. Veurink, David G. Wilson, Wayne W. Weaver, Rush D. Robinett · 2022

Wave Energy Converter Buoy with Variable Geometry that Improves Energy and Power Capture for Changing Sea States Open

David G. Wilson, Rush D. Robinett, Wayne W. Weaver, Steve Glover · 2022

This paper presents a nonlinear control design technique that capitalizes on an hour glass (HG) variable geometry wave energy converter (WEC). The HG buoy is assumed to operate in the heave motion of the wave. The unique interaction betwee…

WEC Buoy with Variable Geometry that Improves Energy and Power Capture for Changing Sea States. Open

David G. Wilson, Rush D. Robinett, Wayne W. Weaver, Steven F. Glover · 2022

WEC Array Optimization with Multi-Resonance and Phase Control of Electrical Power Take-Off Open

Madelyn G. Veurink, Wayne W. Weaver, Rush D. Robinett, David G. Wilson, Ronald C. Matthews · 2022

Supervisory Optimal Control for Photovoltaics Connected to an Electric Power Grid [Slides] Open

Joseph K. Young, David J. D. Wilson, Wayne W. Weaver, Rush D. Robinett · 2021

WEC Arrays with Power Packet Networks for Efficient Energy Storage and Grid Integration Open

David G. Wilson, Rush D. Robinett, Wayne W. Weaver, Madelyn G. Veurink, Steve Glover · 2021

This paper develops a power packet network (PPN) for integrating wave energy converter (WEC) arrays into microgrids. First a simple AC Resistor-Inductor-Capacitor (RLC) circuit operating at a power factor of one is introduced and shown to …

DC Bus Collection of Type-4 Wind Turbine Farms with Phasing Control to Minimize Energy Storage. Open

Wayne W. Weaver, David J. D. Wilson, Rush D. Robinett, Joseph K. Young · 2021

Phase III set up numerical models of the OWT in their simulation tools. It was necessary to verify and to tune these models. The verification and tuning were performed against an OWT model available at the University of Stuttgart - Stuttga…

Integration and Optimal Control of MicroCSP with Building HVAC Systems: Review and Future Directions Open

Mohamed Toub, Chethan R. Reddy, Rush D. Robinett, Mahdi Shahbakhti · 2021

Heating, ventilation, and air-conditioning (HVAC) systems are omnipresent in modern buildings and are responsible for a considerable share of consumed energy and the electricity bill in buildings. On the other hand, solar energy is abundan…

Super Capacitor Energy Storage System Design for Wave Energy Converter Demonstration Open

Wayne W. Weaver, David G. Wilson, Alex Hagmüller, Max Ginsburg, Giorgio Bacelli , et al. · 2020

Aquaharmonics Inc (AH) intends to develop, build, and perform open ocean testing on a 1:7 scale device. Testing will include data capture and performance optimization in wave climates representative of full scale in potential deployment lo…

Energy Storage Power and Energy Sizing and Specification Using HSSPFC Open

Mehrzad Mohammadi Bijaieh, Wayne W. Weaver, Rush D. Robinett · 2020

The intermittent nature of renewable sources requires the integration of Energy Storage Systems (ESSs) with appropriate power and energy densities. One of the applications of Hamiltonian Surface Shaping and Power Flow Control (HSSPFC) is t…

Extending Complex Conjugate Control to Nonlinear Wave Energy Converters Open

David G. Wilson, Rush D. Robinett, Giorgio Bacelli, Ossama Abdelkhalik, Ryan G. Coe · 2020

This paper extends the concept of Complex Conjugate Control (CCC) of linear wave energy converters (WECs) to nonlinear WECs by designing optimal limit cycles with Hamiltonian Surface Shaping and Power Flow Control (HSSPFC). It will be show…

Droop Control in DQ Coordinates for Fixed Frequency Inverter-Based AC Microgrids Open

Mohamed Toub, Mehrzad Mohammadi Bijaieh, Wayne W. Weaver, Rush D. Robinett, Mohamed Maâroufi , et al. · 2019

This paper presents a proof-of-concept for a novel dq droop control technique that applies DC droop control methods to fixed frequency inverter-based AC microgrids using the dq0 transformation. Microgrids are usually composed of distribute…

WEC Array Networked Microgrid Control Design and Energy Storage System Requirements Open

Wayne W. Weaver, Alex Hagmüller, Max Ginsburg, David G. Wilson, Giorgio Bacelli , et al. · 2019

Wave Energy Converter (WEC) technologies transform power from the waves to the electrical grid. WEC system components are investigated that support the performance, stability, and efficiency as part of a WEC array. To this end, Aquaharmoni…

Nonlinear WEC Optimized Geometric Buoy Design for Efficient Reactive Power Requirements Open

David G. Wilson, Rush D. Robinett, Giorgio Bacelli, Ossama Abdelkhalik, Wayne W. Weaver , et al. · 2019

This paper presents a nonlinear geometric buoy design for Wave Energy Converters (WECs). A nonlinear dynamic model is presented for an hour glass (HG) configured WEC. The HG buoy operates in heave motion or as a single Degree-of-Freedom (D…

Optimal and Decentralized Control Strategies for Inverter-Based AC Microgrids Open

Michael D. Cook, Eddy H. Trinklein, Gordon G. Parker, Rush D. Robinett, Wayne W. Weaver · 2019

This paper presents two control strategies: (i) An optimal exergy destruction (OXD) controller and (ii) a decentralized power apportionment (DPA) controller. The OXD controller is an analytical, closed-loop optimal feedforward controller d…

Reduced order model verification of a DC microgrid for controller design and determination of storage requirements Open

Michael D. Cook, Eddy H. Trinklein, Gordon G. Parker, Matthew J. Heath, Wayne W. Weaver , et al. · 2019

A Hamiltonian Surface-Shaping Approach for Control System Analysis and the Design of Nonlinear Wave Energy Converters Open

Shadi Darani, Ossama Abdelkhalik, Rush D. Robinett, David G. Wilson · 2019

The dynamic model of Wave Energy Converters (WECs) may have nonlinearities due to several reasons such as a nonuniform buoy shape and/or nonlinear power takeoff units. This paper presents the Hamiltonian Surface-Shaping (HSS) approach as a…

Decentralized Hamiltonian Control of Multi-DER Isolated Microgrids with Meshed Topology Open

Mohamed Toub, Rush D. Robinett, Mohamed Maâroufi, Ghassane Aniba · 2019

The new electricity grid of the future, smart grid, can be seen as the interconnection of multiple microgrids. These microgrids are usually composed of distributed energy resources (DERs) that connect to each other in different topologies.…

Nonlinear Power Flow Control Design Methodology for Navy Electric Ship Microgrid Energy Storage Requirements Open

David G. Wilson, Wayne W. Weaver, Rush D. Robinett, Joseph Young, Steven F. Glover , et al. · 2018

As part of the U.S. Navy’s continued commitment to protecting U.S. interests at home and abroad, the Navy is investing in the development of new technologies that broaden U.S. warship capabilities and maintain U.S. naval superiority. NAVSE…

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