Led team that commissioned a ~1MWe isothermal compressed air energy storage system, including all major sub-systems in <6months.
Reduced CPU load of marine vessel joystick maneuvering (surge-sway-yaw) system from >90% to <35% while maintaining vessel hold-position requirements.
Automation of structural unit-testing demonstrating ~85% MC/DC coverage with zero human intervention.
Ultra-capacitor control and management system for Class7 hybrid-electric vehicle.
Series/Parallel hybrid-electric energy management optimization.
Haptic-feedback virtual team rowing machines that have accumulated >10M meters.
An adaptive algorithm that allowed <1deg (crank-angle) and <1ms (time-of-flight) accuracy across banks of hydraulically actuated valves.
Lag-compensation and disturbance-rejection speed control for a high-inductance electric machine with large (>1MN) periodic load events.
One-off controller dedicated to crank-domain to time-domain sensor and actuation.
Marine vessel hold-position algorithm.
Knock detection and abatement for spark-ignited large-bore engines.
Lean-burn fuel control for CNG/LNG/LPG alternative-fuel system over-the-road vehicles.
Field-current control strategy for custom alternator-based torque actuator.
Resolved numerical inaccuracies in mixed-flow physical domain primitives allowing full drive-cycle simulation.
Rotational-translational conversion primitive supporting crank-based isothermal compressed air energy storage system simulation.
Viscous damped-based rowing machine.
All-electric longitudinal marine vessel and sub-systems. Capable of predicting MPGe within 10% and supporting target-in-the-loop V&V activities.
Near-Isothermal hydraulic/pneumatic double-acting compressor/expander system simulation.
Marine vessel maneuvering (e.g. low speed) surge-sway-yaw model including engines, transmissions, lateral thrusters, fixed and azimuth capable propellers.
Hybrid-electric longitudinal vehicle and sub-systems. Capable of predicting MPGe within 15% and supporting model-in-the-loop V&V activities.
Arduino based real-time operating system.
Port of FreeRTOS to AT90CAN128.
Fixed-point C primitive functions used by early industry leading auto-code-generation tool (BEACON).
Traction control algorithm implementation for MC68HC12 based micro-controller.
Apparatus and method for increased realism of training on exercise machines - 20Apr2020
Systems and methods for energy storage and recovery using gas expansion and compression - 28May2013
Systems and methods for improving drivetrain efficiency for compressed gas energy storage - 07Aug2012
Systems and methods for compressed-gas energy storage using coupled cylinder assemblies - 21Feb2012
Battery fleet charging system - Pending