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Missile ControlsENGR 315A
Prof. P. RibeiroPresented by:Craig Mulder
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OutlineAfghanistan – How do they do that?Types of Missile ControlsPhysical Controls Inertial Navigation System (INS)Global Positioning System (GPS)Terrain Contour Matching (TERCOM)
Conclusion
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War on Terrorism“Arm’s-length warfare”Primary Weapon: TomahawkOther guided weapons includedStand back and watch the results
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ResultsExamples of guided weapon strikes:
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How They Do ThatPhysical ControlsFins controlled by computer which
evaluates inputs from guidance systems
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Initial Guidance SystemInertial Navigation System (INS)Easiest way from point A to B is a straight
line (or arc)Sensors determine tilt, roll and yaw as well
as acceleration and velocityComputer keeps memory of previous
motion and adjusts fins to keep on line or arc
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Primary Guidance SystemGlobal Positioning System (GPS) INS has a habit of drifting due to error
compoundingGPS gives accurate positioning through
triangulation
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Final Guidance SystemTerrain Contour Mapping (TERCOM)Used mainly for final approachAlso used at certain times during flightCan be used continuously for “ground-
hugging” flight, a la the TomahawkWorks by uploading pictures of target or
path before flight and comparing them to photographs taken during flight
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Rendering of TERCOM
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ConclusionKeep US troops safe, which keeps public happyReason for US Military Supremacy in recent decades