W 91st Ln Arvada, co

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  MAVEN (Mars Orbiter, LM Sensing and Exploration Systems): 2009 – Present
  
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    Subject Matter Expert for: Attitude Determination, instrument platform keep-out-zones, instrument platform on-orbit calibration design, Vehicle mode pointing definitions, articulation control, vehicle real-time GN&C operations, systems–level pointing and alignment analysis and verification
    
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    Planned part of the GN&C operations team post-launch, and ongoing participant in operations readiness tests (ORTs) leading up to launch.
    
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    Mission Analysis such as Instrument Field of View analysis, Sun and Planet views/occultations, instrument blockage by articulating appendages, and attitude visualizations
    
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    Attitude design for science collection based on the needs of several instruments located both on the spacecraft and on an articulable platform
    
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    Scientist (Customer) interfacing and support, i.e. clarifying instrument pointing requirements, describing GN&C capabilities, discussing and iterating on attitude approaches.
    
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    Other GN&C analysis including cruise phase attitude and momentum analysis, rate damping, sun sensing, safe mode attitude determination and control
    

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  InSight (Mars Lander, LM Sensing and Exploration Systems) 2013-Present
  
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    Subject Matter Expert for: Attitude Determination, Entry sequencing and attitude/state propagation, Terminal Descent Kalman inertial/RADAR filter
    
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    Attitude Determination system is based off of my designs for the MAVEN program (now part of the S&ES standard GN&C system) with some Lander-specific modifications
    

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  Orion Crew Exploration Vehicle (LM Human Spaceflight division): 2009-2011
  
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    Solar Array Drive Assembly (SADA) dynamic modeling and control in Matlab/Simulink/SimMechanics
    
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    Providing GN&C interfacing / support to the EPS team in charge of the SADA
    
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    High Gain Antenna (HGA) dynamic modeling and control in Matlab/Simulink/SimMechanics
    
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    GN&C interfacing / support to the C&T team in charge of the HGA
    
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    Phased array antenna pointing, both on-orbit and during re-entry/descent phases
    
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    Development of a novel approach for acquisition and tracking of a orbital rendezvous vehicle using RF information only
    

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  Accomplished the design and implementation of a 19-gram autopilot system from inception to completion (circuitry, software, and control algorithms) that has been proven capable of fully autonomous flight in many hours of flight tests on multiple varying aircraft types.
  
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  Designed 19 gram CUPIC avionics board from circuit design and CAD to manual prototype construction and testing, and modified later generations for autonomous airplane control
  
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  Coordinated with PCB manufacturer and PCB population companies
  
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  Developed CUPIC airplane flight software including real-time operating system, control system, navigation algorithms, and hardware interface level coding for GPS, radio communication, backup pilot control, and analog sensors
  
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  Developed mathematical dynamic models and Simulink simulations for control system development
  
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  Control system design focused on simplicity of operation and efficient use of available sensor data and processing resources, enabling a cost-effective yet capable system
  
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  Implemented a globally converging vector field guidance system, which serves as the basis for the autonomous waypoint navigation system (See publications #3, #6 and #7)
  
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  Final CUPIC weighs less than half an ounce and is completely capable of controlling an autonomous airplane from take-off to landing (See publication #8)
  
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  CUPIC hardware and support has been given to multiple senior project groups at CU
  
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  Current aircraft capable of fully autonomous takeoff (using an on-board avionics triggered launcher), arbitrary waypoint navigation, and landing
  
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  Several successful multi-vehicle tests to date, including a five plane flight with a single operator (backup pilots were in place for safety)
  
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  Developed a Matlab-based ground control graphical interface that allows a single operator to control five or more autonomous aircraft
  
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  Developed a set of algorithms to cooperatively control several aircraft in a coordinated search and data acquisition mission for toxic plume characterization (See publication #11)
  
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  Developed an artificial intelligence search algorithm to determine the ideal flight path to quickly identify the source of a toxic chemical plume (See publication #5)
  
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  Developed and flight-verified an unstable unmanned aircraft and corresponding control system to test the theory that certain unconventional design traits increase the ability of a small unmanned aircraft to fly in extreme conditions, with eventual applications in tornado chasing missions (See publications #1, #2 and #4).
  

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  Solo Lecturer / Instructor for the course
  
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  Ran and assisted students in weekly laboratory sessions
  
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  Managed all aspects of the course (grading, website, exams, etc.)
  
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  Course covered embedded systems based on a Microchip 8-bit PIC microcontroller
  
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  Topics included programming in assembly and in C, timing, memory types and allocations, LCD interfaces, synchronous and asynchronous off-chip communications, hardware interfaces, actuator control, user interfaces, data acquisition, and digital signal processing
  
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  Developed roughly half of the course, the other half had evolved over previous years
  

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  Development of an autonomous unmanned helicopter system for calibration of radar antenna equipment
  
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  Designed first generation of the CUPIC avionics board from circuit design to CAD
  
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  Developed a complete dynamics model of the helicopter and implemented model in Simulink for simulation and control system design
  
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  Performed extensive control system study (See Master’s thesis, publications #11 & #12)
  
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  Implemented and tested control system on CUPIC avionics aboard helicopter
  
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  Deployed unmanned helicopter system at the South Pole in February 2006, and at Point Barrow, Alaska in May of 2006
  
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  Experience working with the other aspects of radar systems and RF engineering, specifically the meteorite radar system which was being calibrated
  

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  Occasional lecturing
  
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  Developing lab assignments
  
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  Assisting students in lab assignments
  
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  Grading
  
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  Web site management
  

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  Responsibilities included assisting students with lab assignments and grading
  

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  Real-time satellite command and controlling
  
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  UNIX-based scripting and programming for satellite support
  
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  Satellite operations missions included the Student Nitric Oxide Explorer (SNOE), QuikScat oceanic wind speed scatterometer satellite, Solar Radiation and Climate Experiment (SORCE), and the Ice, Cloud, and land Elevation satellite (ICEsat)
  
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  Provided Command and Control support to Ball Aerospace for pre-launch activities on ICEsat
  
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  Launch support for ICEsat
  

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  Geo-science Laser Altimeter System (GLAS) operations subsystem lead for ICEsat
  

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  Avid skier
  
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  Construction / Home Improvement – While in graduate school as a hobby and investment I finished my basement, built a deck, fence, and shed for my house. I have done all the framing, plumbing, electrical, and finishing work myself and with the help of family and friends, learning how along the way from books and the internet.
  
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  Member of the CU marching band for 5 years (2000-2005) with several years of leadership roles. Musical instruments include guitar, saxophone, trumpet, baritone, and tuba.
  
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  Black Belt in Shao-lin Kung-Fu
  
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  Certified SCUBA diver
  
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  Over 1000 hours of community service in high school, including Habitat for Humanity and youth corps (town parks maintenance, trail construction and maintenance, planting trees, etc.)
  
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  World travels have included Thailand, Africa, Scotland, Mexico, Belize, Alaska (Point Barrow Research Station), New Zealand, and Antarctica (McMurdo and South Pole Research Station), always looking forward to the next adventure
  

Dale A. Lawrence

Associate Professor

Department of Aerospace Engineering Sciences

Research and Engineering Center for Unmanned Vehicles (RECUV)

University of Colorado

Boulder, CO 80309

303-492-3025

Associate Professor

Department of Aerospace Engineering Sciences

Colorado Center for Astrodynamics Research (CCAR)

Research and Engineering Center for Unmanned Vehicles (RECUV)

University of Colorado

Boulder, CO 80309-0429

303-492-4289

Eric W. Frew

Assistant Professor

Department of Aerospace Engineering Sciences

Research and Engineering Center for Unmanned Vehicles (RECUV)

University of Colorado

Boulder, CO 80302