advisors: dr. katz and dr. chang

Advisors: Dr. Katz and Dr. Chang

SATCOM on the MOVE (SOTM)Satellite Communication

Mobile Vehicle ConnectionPrimarily used in military applications

Generally Bulky Design

SATCOM on the MOVE (SOTM)Our Design

Low Profile

FrequencyKa-Band Satellite Uplink/Downlink

30/20 GHz

SpeedRotational/Elevation SpeedGPS Tracking Adjust

SATCOM on the MOVESpecifications

Spec. Requirement

Goal

Frequency 30 GHz 20 GHzBeam width 2.5o 20

Size 1.5 – 4 ft -AZ Positioning

N/A 40 RPM

Tracking N/A 90%

Project BreakdownAndrew Iepson (E.E. Major)

Project ManagerAntenna DesignOverall Electrical Design

Kevin Christman (C.E. Major)Software Design/Interface

Project BreakdownJames Murduca (M.E. Major)

Mechanical Assembly DesignInterface with software

Liz LiSoony (M.E. Major)ManufacturingBudget

SATCOM Antenna DesignKraus’ “Big Ear” designHigh GainLow-Profile

Width of flat reflector @ 20 GHz w/ 2o beam-width: 0.45m = 1.5ft

Tracking SystemUSB GPS Receiver

Determine azimuth angle

Continuously compare azimuth to set satellite position

Adjust device position as needed with motors

Interface/SoftwareGPS Receiver Data - USB connection

Motor Control – Serial Port connection

C++ application to compare GPS data and adjust motors as needed

Mechanical DesignRotational Mounting Device

Size: < 4ft (mountable atop an SUV)Speed: rotate the speed or the vehicle

Goal: Add Tilt Control

Manufacture:Parabolic Reflector

Gantt Chart

Question