Designed logic targeting Altera Cyclone-V family of FPGAs for system controller cards controlling high-voltage switch behavior and power conversion algorithms for 480Vac 30kW and 125kW systems. Design logic included IGBT switch timing and control, digital-to- analog conversion, predictive voltage and current modeling, energy management controls, thermal controls, and grid tracking controls.Design logic implementing MODBUS, SPI, and I2C interfacesDevelop logic to satisfy UL1741 SA and IEEE 1547 test standards for grid support utility interactive inverters, including Volt-Watt, Frequency-Watt, Volt-Var, and power factor control grid support functions.Supported design verification in high-power lab of all Ideal Power converter product lines.Supported testing for PV inverter certification standards UL1741, IEEE1547.Support customer bring-up and commissioning of Ideal Power converter systems.

- Design and verification of FPGAs on communications and control cards serving C&DH sub-systems for next-generation Orbital's GeoSTAR geosynchronous satellite bus platform. Designing for CCSDS uplink command, downlink telemetry, and MIL-STD-1553B flight computer interface. - General FPGA design reviewer for other C&DH sub-system and power distribution sub-system FPGAs.- Supported requirements verification and closure for C&DH sub-system for Orbital's Commercial Orbital Transportation Services (COTS) Cygnus service module.

- FPGA design of command sequencer responsible for switch commanding and status telemetry on-board NASA GSFC Soft X-Ray Spectrometer (SXS) instrument, ADRC box, developed for the JAXA astronomy mission ASTRO-H. - Designed preliminary FPGA for science data acquisition and streaming for NASA GSFC Solar Physics sounding rocket program EUNIS.

- Developed synchronous triple-module redundancy (TMR) FPGA test designs enabling calculation of device susceptibility to single event effects (SEE) and total ionizing dose effects (TID) degradation. - Analyzed SRAM FPGA configuration memory sensitivies to SEE at several energies and particle species.- Designed interfaces between reconfiguration test fixture and several high-speed ADC, DAC, FPGA and memory devices (SRAM/NAND Flash) for radiation hardness assurance tests.- Supported SEE and TID radiation testing at several advanced particle accelerator (heavy-ion and proton) facilities.- Lead FPGA designer for X-ray box (XBOX) on-board SXS instrument of ASTRO-H. XBOX responsible for controlling telemetry gain, multiplexing, D/A conversion, buffering, and packetization of science data.

Analyzed process variation characterization data on Xilinx Virtex-4 FPGAs in Xilinx Research Group