Education
- BS in Electrical Engineering (Computer Engineering), University of Illinois – Urbana-Champaign
Recognition
- 8 US patents with Hewlett-Packard:
- Closed-loop method and apparatus for controlling acceleration and velocity of a stepper motor (5,663,624)
- A method for monitoring subsystem power (8,719,599)
- DC Motor Control (Calibration-based DC Motor Temperature Control) (6,674,260)
- Inexpensive motion control using brushed DC motors (5,898,288)
- Method and apparatus for moving perforated continuous paper through a dual axis printer (4,759,649)
- Ink jet print carriage drive system that applies drive force at location displaced from drive belt (634,021)
- A method and apparatus for maintaining a substantially constant belt tension under changing temperature conditions (6,485,383)
- Shifted element scanning/printing routine coordinated with media advance (6,017,114)
- Numerous HP trade secrets
Interests / Obsessions
- Sailing to exotic locations
- Downhill skiing
- Woodworking & metalworking
- Fishing in exotic locations
- Embedded Control Systems
- Engineering in all disciplines
- Family
- Fine wine & great beer
Favorite Quote
“Not that there is anything wrong with that.”
– Seinfeld
Expertise
- Systems engineering optimizing cross-disciplinary electro-mechanical systems
- Feedback control/servo systems
- Modeling dynamic systems
- Embedded C programming
- Embedded assembly programming
- Data collection & analysis using Python
- OpenCV computer vision programming
- Designing open-loop & closed-loop motor systems – stepper, BLDC, brushed DC & voice coil actuators
- Precision motion with sub-micron accuracies
- Designing digital & analog circuits
- Inkjet printers
- Optical sensors
Experience
- Spent 27 years with Hewlett-Packard designing and developing motion control systems for inkjet printers used by multiple HP divisions
- Designed numerous optical sensors for HP Ink Jet printers
- Designed electro-mechanical and computerized tools for analyzing inkjet printer dynamic behaviors
- Founder and Technical Lead for the HP Vancouver Servo team
- Spent 2 years as consulting engineer for motion control and optical design for non-HP customers
- Spent 1 year as a contract engineer for Hewlett-Packard through Sigma Design
- Expert Systems Engineer with Simplexity since 2015 working on numerous state-of-the-art precision motion systems
Software: Design Complete
Hardware: Pre-production units for design verification
MFG. Readiness: CM schedule and budget, Unit build tracking