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Doug Harriman
Chief Technology Officer

Portland Metro Office

Education

  • BSME - Oklahoma State University
  • MSME (Automatic Control Systems) - University of California, Berkeley
  • Non-degree coursework - Computer Science - Stanford University

Recognition

    • Ten patents with Hewlett-Packard:
      • 429,279 - Ornamental Design of an Inkjet Printer
      • 429,759 - Ornamental Design of an Inkjet Printer
      • 6,244,765 - Vibration Isolating Attachment System for Inkjet Carriages (Mechanical design)
      • 6,666,375 - Rotary Encoders (Mechanical design of a low cost encoder position encoder disk design)
      • 6,669,323 - Mechanical Deflection Estimation for Ink-Jet Service Station Motion Servo
      • 6,674,260 - DC Motor Control (Calibration Based DC Motor Temperature Control)
      • 7,692,399 - DC Motor Control (Dynamic Model Based DC Motor Temperature Control)
      • 9,033,450 - Printer and method for controlling power consumption thereof
      • 8,899,717 - Print speed determination based on a power budget
      • 8,719,599 - Monitoring subsystem power
    • Three HP trade secrets and two defensive publications.
      • Publications:
      • "Control Systems Challenges in the HP Personal Printing Application', 2005 American Controls Conference.
      • "DC Motor Protection using New Thermal Models' with S. Sugathevan, HP TechCon 2009

Interests / Obsessions

    • Spending time with my wife and two sons
    • Playing and watching soccer
    • Snow boarding
    • College Football
    • Matlab Programming
    • Embedded Control Systems

Favorite Quote

"It's all about the cheese."
- Self

Expertise

    • Project Management
    • Specification Development
    • Electro-mechanical systems engineering & cross disciplinary system optimization
    • Feedback control/servo systems & dynamic system modeling
    • Embedded Firmware Development
    • Software Quality for Embedded Firmware
    • Matlab programming
    • Ink jet printers
    • Wind turbine standards and specifications
    • Wind turbine controls

Experience

    • Simplexity Product Development (2012-present)
      • CTO/Project Manager/Senior Systems Engineer
      • Project Management for FW/SW.
      • Systems Engineering & Specification Development
      • Software and Firmware development for consumer products and production line tooling
      • Motion control system development
      • Cricket Labs' mechatronics PCA product architect
    • Xzeres Wind (2010-2012)
      • Senior Systems Engineer
      • System specification
      • MKS Certification Lead
      • Mechanical Analysis of critical components
      • Blade load test specification & test design
      • Electro-mechanical system model development for turbine control
      • Rotor and inverter control algorithm development
    • Hewlett-Packard (1996-2010)
      • Motion Control Systems Team Lead/Servo Control Engineer/Mechanical Engineer
      • Feedback control algorithms & embedded firmware for printer motion systems
      • Motor and drive train specification for system cost/performance optimization
      • Motor thermal modeling & run-time motor temperature control
      • Injection molded plastic & sheet metal mechanical design
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