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Raytheon Seekers Infrared Seeker Calibration Device

Develop a prototype window positioning system for infrared guided warheads, requiring Non-Uniform Compensation. Design must meet strict size, power, and shock requirements, using innovative actuation methods. Project timeline spans Fall 2002 to Spring 2003.

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Raytheon Seekers Infrared Seeker Calibration Device

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  1. Raytheon Seekers Infrared Seeker Calibration Device

  2. Outline • Team • Client Description • Problem Definition • Project Needs • SOTA Research • Preliminary Project Schedule • Fall 2002 Gantt Chart • Spring 2003 Gantt Chart • Time Log

  3. Raytheon Seekers Aaron Scrignar…..Team Leader Eric Draves……Historian Trevor Moody……Web Page Des., Mediator Stacy Snyder……Document Coord., Financial Officer LaTanya Williams……Communicator

  4. More about… Raytheon • Specializes in defense systems, government and commercial electronics, business aviation and special mission aircraft • Chairman & CEO: Daniel P. Burnahm • $16.9 billion revenue in 2001 • 79,000 employees worldwide • Client contact: Brian Scott, Electronic Systems

  5. Problem Definition • Preliminary design and proof-of-principal prototype needed for a window positioning system to be used in a tank-launched infrared guided warhead

  6. Problem Definition Cont. • Infrared sensor in projectile requires Non-Uniform Compensation to be performed • Necessary to see uniform image • Accomplished by temporarily blurring the scene by shifting the focal point

  7. Non-Uniformity Compensation • Non-Uniformity Compensation never performed at this scale before • Uniform Adaptive Compensation used in the Sidewinder A-A Missile

  8. Seeker Device Layout

  9. Project Needs • Packaged in 0.2” tall by 2.9” diameter cylinder, excluding electronics • Move a 0.352 lbm Germanium lens .04” thick by .6” diameter to cover a photocell array • Lens must stay in position for 1 second, and move in and out of the field in less than 1 second

  10. Project Needs • Require less than 24 Watts at a max of 24 Vdc for less than 1 sec and less than 5 Watts continuous • Lowest mass possible • Be capable of repeated actuation for testing • Thermal Aspects: -320 to 190C Operating, -460 to 630C Storage • 10-15 year storage life

  11. Shock Response Spectra • Launch Conditions • Set Back: 10,000G • Balloting: 3,300G • Set Forward: 2,000G • Flight Conditions • Lateral: 0-3G • Vibration: 5G

  12. Preliminary State-of-the-Art Research • Research on potential methods of generating movement • Micro-motors • Pneumatic Actuators • Solenoid and Non-Solenoid Linear Actuators

  13. Project Schedule for Fall 2002 • Submit Initial Proposal November 19 • Begin October 29 • Proposal Presentation November 26 • Begin November 19 • Acceptance Document December 6 • Begin November 26 • Design Implementation December 4

  14. Fall 2002

  15. Project Plan for Spring 2003 • Begin Testing February 25 • Design Review Presentation March 11 • Design Review Report March 14 • Finalize Design March 28 • Design Presentation April 22 • Capstone Design April 25 • Finalize Web Page May 2

  16. Spring 2003

  17. Time Log • Aaron Scrignar 9.6 • Eric Draves 9.0 • Trevor Moody 9.5 • Stacy Snyder 10.0 • LaTanya Williams 9.5 _________________________ Total Hours: 47.6 hrs

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