EE 491 Project Presentation May07-04 – PDA Based UAS Remote Video Terminal Team Members: Devin Carney Jonathan Farmer Matt Henkes Rene Rios Faculty Advisor:

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Presentation transcript:

EE 491 Project Presentation May07-04 – PDA Based UAS Remote Video Terminal Team Members: Devin Carney Jonathan Farmer Matt Henkes Rene Rios Faculty Advisor: Zhao Zhang

Our Client Todd Colten Engineering Team Lead Lockheed Martin Sky Spirit UAS

Outline ► Project objective ► Requirements ► Constraints ► Uses and users ► Technologies considered and selected ► Milestones ► Difficulties and troubleshooting ► Resources ► Testing

Definitions ► RVT - Remote video terminal ► UAS - Unmanned aerial system ► GPS - Global positioning system ► PDA - Personal data assistant ► RS Serial profile standard for serial communications ► SIP - Soft input panel

Project Statement ► To design and construct an inexpensive prototype remote video terminal (RVT) that is capable of displaying video as well as important telemetry data from an unmanned aerial system (UAS)

Requirements ► Budget: $1,000 ► Weight: less than 2 kg ► Operation time: 2 hours ► Telemetry data read through RS-232 input ► Ability to determine own location ► Automatically acquires necessary signals ► Useable in varying conditions

Constraints ► Screen size and resolution ► Processor speed ► GPS refresh rate and accuracy ► Bandwidth of signals

Considerations ► Assumptions  Signals are provided without error  Data are provided in proper form  GPS data is correct and accurate ► Limitations  Weight limit  Screen size (viewable area)  Wireless (Bluetooth) range

Intended Uses ► Search and Rescue ► Military surveillance ► Farm observation ► Security Source:

Intended Users ► Military personnel ► Search and Rescue personnel ► Farmers ► Law enforcement officers Source:

Technologies Considered ► RVT Position  Manual coordinate entry  GPS ► Video Input  Video capture cards  Wireless (802.11b) ► Telemetry Input  USB inputs  RS-232  Bluetooth ► Various PDA units

Technologies Selected ► PDA Dell Axim X51v - Built-in b - Bluetooth Capability -Dual channel - 480x640 Resolution - 3.7” Display

Technologies Selected ► Video Input Slingbox AV - Video capture - S-Video/RCA inputs - Wireless streaming

Technologies Selected ► GPS USGlobalSat BT Bluetooth Receiver - 72 hour battery life - Fast warm-up time

Technologies Selected ► RS-232 Transmission Bluesnap Bluetooth Dongle - Serial port profile - Simple interface

Software Architecture

Graphical User Interface (GUI) ► Simple Interface ► Easy to understand ► Video display ► Data overlay ► Landscape or Portrait

Research Required ► C# Programming for Windows Mobile 5.0 ► Soft Input Panel (SIP)  Win32 Programming ► Video Display and Connectivity ► Transmission of RS-232 Signals ► Bluetooth Connectivity

Milestones ► Importing Telemetry Data  Host PC to PDA  GPS to PDA  Range and bearing processing ► Importing Video Data  Streaming to PDA ► Integration  Combine data into GUI

Evaluation

Risks Encountered ► Video Capture  Flygrabber incompatibility ► Interface of various components  Interfacing with C# language  GUI display via input panel ► Battery Life

Risk Management ► Alternate video capture solutions  Slingbox AV  Wireless video ► Evaluate power consumption  Extended-life batteries available  Specification Sheets ► C# Programming Sources  Independent sources  Microsoft database

Resources ► Personnel Resources  Amount of time each member has spent on the project

Resources ► Financial Resources  Amount of budget spent on selected components

Resources ► Initial Team Schedule

Resources ► Final Team Schedule

Testing ► Team testing ► Outside user testing ► Advisor testing

Suggested Follow-On Work ► Create “All-in-one” final product ► Incorporate security measures ► Ensure compatibility with military standards

Commercialization ► Viable ► More rugged ► Security implementation ► Signal compatibility  Military vs. Civilian ► Possible Cost ~ $1000  Further development necessary

Lessons Learned ► Communication  Team, advisor, client ► Budgeting  Time and money ► Documentation ► Programming languages and APIs

Summary ► After considering many technologies, the team decided upon several components that provide both simplicity of design for the team and value for Lockheed Martin. ► These combined to create a successful RVT that will meet the various needs of Lockheed Martin.

Questions?