team mercury: charles chen, katie corner, danny costinett, bob pomeroy, jeries shihadeh capstone...
DESCRIPTION
Proposal Camera Grenade A thrown camera Receiver station to capture images Present it in an interactive 3D view.TRANSCRIPT
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TEAM MERCURY:CHARLES CHEN, KATIE CORNER, DANNY
COSTINETT, BOB POMEROY, JERIES SHIHADEH
Capstone Project: NadeCam
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Overview
ProposalHardware Block Diagram
Hardware ImplementationSoftware Block Diagram
Software ImplementationFeasibility and SustainabilitySafety and ComplianceSchedule and Division of LaborBudget
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Proposal
Camera GrenadeA thrown camera Receiver station to
capture images Present it in an
interactive 3D view.
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Proposal
Target size (grenade unit): golf ball to softball
Receiver/Display self contained display device or possibly a receiver
attached via USB to a laptop (with associated display software)
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Expo Deliverables
• Camera• 640x480 resolution• 1 frame per second• Usable Pictures
• Data Storage• Store image data on external device (SD card?)
• Image Display• Proper location and orientation• “Step-Through” mode
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Expo Deliverables
• Packaging• Contains all components• Severe impact is not a goal
• Demonstration• Device can take pictures• Display images in a proper orientation• Device is moving at low velocity and acceleration
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Higher Deliverables-Phase 1
• Camera• Captures RGB images• Greater than 1 frame per second• 2 cameras
• Depends on budget
• Data Transmission• RF transmission to base station
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Higher Deliverables-Phase 2
• Packaging• More robust to account for impact
• Demonstration• Throw ball • Use of accelerometers to return (x,y,z) position
• More Cameras (Up to 6)
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Higher Deliverables-Phase 3
• Camera• IR capabilities
• GPS unit• Ball movement after landing• In flight gyroscopic stabilization• Multi-Unit Mapping
• Use GPS with Multiple Camera Units to create a more comprehensive 3D environment
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Block Diagram-Hardware
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SubSystem Implementations
• Camera Unit Options• Number and Layout
• 1 - 6 Standard Cameras• Two 180◦ Panoramic
Cameras• Data Throughput
• 8-bit Gray Scale vs. RGB Color
• Resolution (640x480)• Possible Secondary IR
Camera?
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SubSystem Implementations
• Control Unit(s)• uProcessor – MSP430 or
CC430?• External Transceiver –
nRF24L01+ vs. CC1101
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SubSystem Implementations
• CC1101• Low sleep current (200 nA)• Higher Tx output power• Better attenuation over
distance
• nRF24L01+• Higher on-air data rate
(2Mbps)• Lower transmit power
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Block Diagram-Software
Store Image Data
Reconstruct Image
Construct 3D User Interface
Camera Grenade Base Station
Power Control
Camera/Accel.Control
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SubSystem Implementations
• Graphical Environment• Google Maps API?• Custom designed OpenGL
environment?• Images manually loaded to
OpenGL environment
Skybox Net.
User Perspective.
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Feasibility
• Economics• Less than $1000 (less than 2x the cost of a standard grenade)
• Most parts are off the shelf and offered by multiple vendors, with the possible exception of the casing
• Marketability: Military and police usage, data collection
• Possible applications in scientific mapping and observation.
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Feasibility
• Risks• Camera Functionality:
• Is quality of 640x480 resolution good enough?• Number of frames per second?• Expense of Camera/Lenses
• Size of Images:• Considerable amount of data throughput • Minimize via color constraints, on chip jpeg compression
• Test and Pick Camera ASAP
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Feasibility
• Risks• PCB layout mistakes:
• Team reviews layout before ordering board• Enough time and budget is set aside for multiple boards
• Knowledge of Packaging:• Packaging doesn't perform as well as hoped• Limited knowledge of mechanical design• Test packaging with dummy contents before full prototype build
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Sustainability
• In general, most system parts are available from multiple vendors
• caveat: although one particular camera may not be available, other comparable models are.
• Minimal maintenance/support necessary out of box
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Safety and Compliance
• Complies to necessary FCC Military and Civilian conventions, depending on model
• Internal Camera Unit Voltages < 15V
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Schedule
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Schedule
• CDR• Able to take and store images
• Milestone 1• Use accelerometer to determine orientation• Use software to display image(s) with correct orientation• Develop power system to power device
• Milestone 2• Packaging complete • Expo deliverable in final testing
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Division of Labor
• Based on Background ExperienceChoose a camera ResourcesPDR AllDisplay video from camera BP, DC, JSGet images/video stored locally BP, DC, JSChoose data transfer method AllAccelerometer details: data? JS, KC, CC, DCHave UI designed for user (high-level) JS,CC, BP, KC3D UI enviornment prototyped JS,CC, BP, KC3D UI enviornment test iterations JS,CC, BP, KCStart of Weekly Stat Reports Alltransfer image data to PC (RF, wifi) AllDesign power system for batteries AllCDR AllImplement power system AllDesign/Build PCB BP, DC, JSDesign Packaging AllCreate a packaged product AllCreate mechanical "track" for CamNade path KC, CCMilestone 1 AllDesign and implement other features AllMilestone 2 AllFinal Testing AllFinal Presentation Preparation AllCapstone Expo All
Charles Chen: Image Post Processing, Accelerometer testingDanny Costinett: MSP Programming, Transceiver testing
Bob Pomeroy: PCB Design, Camera testing
Katie Corner: Image Post Processing, Packaging Design
Jeries Shihadeh: 3D UI Environment, Camera testing
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Budget
Item Name Unit Price Quantity Sub-TotalCamera $50 6 $300 MSP 430 Microcontroller $5 2 $10 CoolRunner-II CPLD $40 1 $40 GPS Receiver $50 1 $50 RF transceiver $10 2 $20 Packaging Frame $60 1 $60 PCB Layout $35 3 $105 SD Card $20 1 $20 Assorted Components $100 TBD $100
Total Cost $705
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Questions?
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Questions?