Career Overview

1
Career Overview
W.John Guineau 5/2007
2
Professional Summary

• Over 25 years in software industry
• Hardware background
• Software career
• Embedded Systems to GUI, Web
• Many O/S, many languages, technologies
• Hardware Software design
• Inventions e.g. Wireless GPS tracking

3
Digital Equipment Corp.

• Just a kid
• Hardware Tech turned Software Engineer
• VMDD - Disk/Tape/CDROM Diagnostics
• Vast improvement over industry products
• Industry leaders for SCSI
• ITECS Complete automation
• IEEE-488 power supplies, Tenney environmental
  chambers, Lots of uVAX IIs and PRO-350/380s
• Reduced days to hours, with summary
• Industry wanted to buy it!

4
DEC - VMS - Modeling Disk I/O

• Multi-process, concurrent I/O
• High-speed Storage (RAID)
• Throughput and Latency requirements
• Problem Traffic Jam!
• Solution Analysis, modeling, adaptivity
• Software Data collection Visualization
• Result gt 300 performance improvement
• U.S. Patent 5,426,736

5
Request/Sec Physical Limitations
6
KB/sec Physical Limitations
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What the data tells us

• Flattening of surface implies saturation
• Additional I/O load beyond saturation results in
  latency
• Visual inspection provides solution!
• It can be modeled

nq
Kq
Tmin ------- ------ C
R
Z
n size of request q number of requests R
bus bandwidth K avg. access time Z queuing
efficiency
8
What to do? adaptive algorithm

• The mathematical model gives us the limits
• The driver implements the algorithm

t RZ
q(n,t) -------------
nZ KR
t Desired worst case response time
9
Industry Process Control

• ASTM Strength of Materials Testing
• Real-time control for materials validation
• Data collection, visualization
• Analysis, automatic determination, interactive
• Vastly improved process capabilities
• HIP Furnaces
• PID and the momentum of heat
• Bad motor? You can hear it!
• Microphone, FFT, compare and sort

10
Commercial Video Conferencing

• AVID Technology StoryBase
• Windows in a Mac world
• CU-SeeMe
• Cornell University experiment turned shrink-wrap
• Quartz, ActiveMovie and Video
• Beat Microsoft to capture implementation!
• DirectShow
• Network Packetization and Re-assembly
• Ordering and window of opportunity
• Significant improvement over data loss

11
NASA? Are you kidding?

• Just married, 6 month old daughter
• Were going to California!

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NASA JPL JASON-1

• Satellite, Low Earth Orbit (200 - 500 miles)
• Earth-observing Monitors Earths Oceans
• Follow-on to TOPEX/Poseidon El Nino
• Joint project - NASA and CNES (France)
• Launched Dec 7th, 2001
• Deemed Extremely Successful so far

13
Jason-1 High-Level Context
JASON-1
Ground System JTCCS Sequencing, Science Data
Earth Terminals
Science Communities
Data Archives
14
Adding the Jason-1 SatelliteCalibration and
Checkout
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JTCCS Software Architecture
ETSim
tcp/ip
ftp
tcp/ip
IPC Server
Windows, Unix/Linux, Mac
UI Server
JNI
tcp/ip
Windows CE Compaq iPAQ
TCL script engine
databases files
?
Network
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JTCCS Major Innovation

• Entire system runs on a 400mhz laptop!
• Almost 500K lines of code
• JPLs first-ever lights-out spacecraft
  automation
• JPLs first-ever wireless hand-held spacecraft
  control
• Private demonstration to lab director
• NASA Software of the Year competition
• Honorable mention

17
My Own Computer

• Z80
• ZX81 inspired
• Custom firmware
• Weather sensors
• Dallas 1-Wire
• Humidity
• Temperature
• Pressure

18
The Tracker

• Hand-held device
• 2-way radio (paging)
• GPS
• AVR Microcontroller
• Other sensors (fall detection, heart rate)
• Dont leave home without it
• Never be lost again!
• SAR wanted it
• No funding

19
Launch? Oh No!

• Jason-1 Project Complete
• Three months after 9/11
• Add a 2 yr old son
• And Im out of a job!
• Coyote Technology, Inc.
• Sub-contract to JPL
• Amgen

20
Back in Business

• SharedNet
• Military Situational Awareness
• It will never work
• DoD/DISA Network Topology
• Locked in a room Come up with something new
• XML, Jini -gt SOAP and WebServices
• Avionics Simulator
• Europa Pathfinder and X2000
• Team-X Spacecraft Mission Design
• ICEMaker - NASA-wide distributed design
  collaboration

21
Amgen

• Biotech Work with scientists!
• Data processing/analysis/visualization
• AmgenFramework
• Reusable component library
• Windows, C, .Net
• MANY applications, huge demand
• Immunology, Inflammation, Hematology, Oncology,
  Legal
• Electrophysiology, Mass-spectrometry
• Corporate Databases for research tracking

22
JPL - Robotics

• Mars Rover Simulation
• ROAMS
• Kinematics, Dynamics
• SimScape
• 2.5D/3D topographic simulation
• Layered surfaces
• Surface Properties
• Planetary support

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JPL Robotics

• Laser Scanner
• Mars Yard
• Terrain reconstruction from noisy data

24
JPL Robotics
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JPL Robotics

• Research Mars Rovers real hardware!
• FIDO, Rocky8, CLARAty, vxWorks
• Ported to Linux, w/hi-res timer patches
• PID loops verified on scope
• Debugging software with hardware
• Drove rover around Mars Yard
• Under Linux 2.6!
• With my own custom kernel

26
JPL Flight Software

• I finally made it.
• MSAP - Multi-mission System Architecture Platform
• Reusable baseline
• Avionics hardware and flight software
• Basis for MSL Next Mars Rover
• Mil Std. 1553 - system core
• Hard real-time, mission critical
• Questionable future
• Mindset
• Legacy/MER inheritance
• Institutional
• Profit/Loss - no real consequences

27
Around the Home

• Home Automation
• Multi-camera surveillance system
• High-end Weather station
• Ozone (O3) monitor
• Off-the shelf sensor
• ADC, S/W, ASPX
• Earthquake Monitor
• 3-axis accelerometer
• ADC, S/W, ASPX
• Cell phone apps

28
Conclusion

• Man WILL go back to the Moon to Mars
• Commercially viable discovery will change the
  game
• For me, its been a blast!
• My best years are yet to come
• Questions?