1. ESRDC Research Overview: activities of Purdue University and the United States Naval Academy

2. The Team United States Naval Academy –John Ciezki, Professor –Yonggon Lee, Research Faculty –Ed Zivi, Professor Purdue University –Michelle Bash, Student –Ricky Chan, Student –Jonathan Crider, Student –Caya Harantio, Student –Jacob Krizan, Student –Jason Neely, Student –Jiaming Lian, Student –Steve Pekarek, Professor –Mark Snyder, Student –Scott Sudhoff, Professor –Nir Vaks, Student –Stanislaw Zak, Professor

3. Evolutionary Design Evolutionary Environment Fitness Function Detailed Analysis

4. Generator & Motor Designs

5. Field-Based Modeling of Inverter-Fed Machines – Multirate Field Construction High-frequency component i as,hf Low-frequency component i as,lf

6. FEA ~ 270 hours MRFC ~ 48 minutes Stator Current Comparison of FEA and Multirate Field Construction Torque

7. Early Machine Analysis

8. Magnetics Characterization Station

9. Structural Magnetics Testbed

10. Medium Voltage DC Testbed

11. Stability Power Electronics Based Systems

12. Immittance Based Stability

13. Effect of Criterion

14. Generalized Immittance

15. System Stability Sources Loads Two-Port Converters Multiple Tests Per Interface Multiple Converter Per Interface

16. Analyzing Multiple Operating Points with Generalized Immittance: DC Stability Toolbox

17. Physical Arrangement Electrical System Cascading Failures Thermal System Damage Evolutionary Computing ToolSystem Simulation Structure Electro-Thermal-Control System Design / Analysis Environment

18. A Linear Programming Approach to Shipboard Electrical System Modeling Event : x d = 50.0 m, y d = 0.0 m, z d = 4.0 m, r d = 2.0 m Operability: Simulation time = 160 s.

19. Dynamic Reconfiguration Of Coupled Shipboard Cooling & Power Systems Deliverables and Products Distributed MVDC / Thermal Testbed Distributed Electro- Thermal SIM / STIM MATLAB / Simulink Distributed Control Prototyping Facility Research Objectives Demonstrate Dynamic Reconfiguration of Distributed Electro- Thermal System Demonstrate Fault Tolerant Distributed Control Research Accomplishments Controlled Source Power Supplies Installed Installed in USNA Automation Lab Distributed Control Nodes Operational

20. Adaptive Robust Control Tracking control of uncertain systems Variable-Structure radial basis function network –determine network structure on-line dynamically –add radial basis functions to ensure tracking performance –remove radial basis functions to avoid network redundancy Output feedback controller architecture