simple awareness of vehicles and assorted night traffic (savant)
DESCRIPTION
Simple Awareness of Vehicles and Assorted Night Traffic (SAVANT). Senior Design Project 2012 Team Xia Geoff Hermann, Ben Bromberg, Rodrigo Bismonte, Patrick Estabrook. Outline. Problem Statement Our Proposed Solution – SAVANT System Overview Block Diagram Feasibility for SDP - PowerPoint PPT PresentationTRANSCRIPT
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Electrical and Computer Engineering Department
Senior Design Project 2012Team Xia
Geoff Hermann, Ben Bromberg, Rodrigo Bismonte, Patrick Estabrook
Simple Awareness of Vehicles and Assorted
Night Traffic(SAVANT)
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2Electrical and Computer Engineering Department
Outline
Problem Statement Our Proposed Solution – SAVANT
• System Overview• Block Diagram• Feasibility for SDP• Plan of Attack• Deliverables
• MDR and FDR
Questions
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3Electrical and Computer Engineering Department
Problem Statement
We wish to reduce injury and death due to road collisions caused by lack of visibility.
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4Electrical and Computer Engineering Department
Problem Statement
Over 700 cyclists killed by motor vehicles in 2008 Over 1,800 pedestrians killed by motor vehicles in 2010 Often, the drivers are not aware of pedestrians Especially dangerous at night/low visibility and blind turns
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5Electrical and Computer Engineering Department
Other Solutions
Radar/Camera Pedestrian Detection• Most systems use radar or image detection• Can detect pedestrians 80cm and taller• Robust enough to be marketable (Volvo XC60)• Alerts driver and even applies brakes• Stop collisions at speeds up to 35 kph (~20 mph)• Does not see pedestrians/bikers in blind spots• Does not work in poor light/weather conditions• Makes driver reliable on warning to brake• Expensive/Only available in nice/new cars
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6Electrical and Computer Engineering Department
Overview
Problem Statement Our Proposed Solution – SAVANT
• System Overview• Block Diagram• Feasibility for SDP• Plan of Attack• Deliverables
• MDR and FDR
Questions
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7Electrical and Computer Engineering Department
System Overview
Users of the road wear GPS devices transmitting their location
Motor vehicles have receivers and transmitters
Displays the location of received GPS information on the windshield (Heads Up Display)
Simple
Awareness of
Vehicles and
Assorted
Night
Traffic
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8Electrical and Computer Engineering Department
Block Diagram
The RF “Æther”
GPS
RF Transmitter
Microcontroller (ATtiny)
Car System Pedestrian/Cyclist System
RF Transciever
GPS
On-board Computer
(BeagleBoard)
Display System
GPS
RF Transmitter
Microcontroller (ATtiny)
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9Electrical and Computer Engineering Department
System Overview
SAVANT
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10Electrical and Computer Engineering Department
System Overview
SAVANT
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11Electrical and Computer Engineering Department
System Overview
Advantages of SAVANT• Provides info about pedestrians/bikers in all directions• Cheap solution/easily installed in older vehicles• Works regardless of lighting/weather• Anticipate bikers and joggers around turns• Gives driver more info without distracting/making driver
reliant on device
Disadvantages of SAVANT• Cannot “see” bikers or pedestrians without a transmitter• Not accurate enough to judge distance for auto-braking
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12Electrical and Computer Engineering Department
Outline
Problem Statement Our Proposed Solution – SAVANT
• System Overview• Block Diagram• Feasibility for SDP• Plan of Attack• Deliverables
• MDR and FDR
Questions
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13Electrical and Computer Engineering Department
Feasibility for SDP
Challenges for Electrical Engineering• Design of Transmitter/Receiver Components• Identifying between two signals• Doppler Effects on transmission• Making device wearable (durable, movable, lightweight)• Power issues
Challenges for Computer System Engineering• Software design for Automobile Receiving Element• Keeping track of specific bikers/pedestrians• Simplify Open Street Map data into display• Make clear/not distracting HUD.
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14Electrical and Computer Engineering Department
Feasibility for SDP
Cost Breakdown
BeagleBoard $125.00* $125.00*
XBee modules $45.90 (2) $68.85 (3)
ATtiny13A $1.07 (1) $2.14 (2)
EM-4061 GPS module for CAR $59.95 $59.95
GS407 Helical GPS module for PED
$89.95 (1) $179.90 (2)
Optoma EP-PK-101 10 lumen pico projector
$170.80 $170.80
8”x11” Clear Rear projection film
$20.00 $20.00
Total $387.67 $501.64*donated, not included in final cost estimate
Cost for one CAR and one PED
modules
Cost for one CAR and two PED
modules
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15Electrical and Computer Engineering Department
Plan of Attack
I. Learning Phase• GPS, XBee, ATTiny, BeagleBoard
II. Communication Phase• Getting all the components talking to one another
• Make connections, send and receive data
III. Software Phase• Write the software for each part of the system
• ATTiny, Xbee, Beagleboard
IV. Prototype• Get the transmit/receive system working in the
proposed fashion
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16Electrical and Computer Engineering Department
Plan of Attack
I. Learning Phase• Task 1 - (car, ped) learn about GPS modules • Task 2 - (car, ped) learn ATTiny programming software, procedure• Task 3 - (car, ped) learn about XBee programming, TX and RX • Task 4 - (car, ped) learn about BeagleBoard programming
II. Communication Phase• Task 5 - (car, ped) interface GPS with ATTiny microprocessor • Task 6 - (car) interface GPS with BeagleBoard • Task 7 - (ped) interface ATTiny with XBee module• Task 8 - (car) interface BeagleBoard with XBee module (TX, RX)
III. Software Phase• Task 9 - (ped) write software for ATTiny microprocessor • Task 10 - (car) write transmitter software for BeagleBoard • Task 11 - (car) write receiver software for BeagleBoard
IV. Prototype Phase• Task 12 - (car) prototype car TX/RX • Task 13 - (ped) protype ped TX
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17Electrical and Computer Engineering Department
Gantt Chart
Geoff
Patrick
Ben
Rodrigo
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18Electrical and Computer Engineering Department
Spring Semester Tasks
Extending software for multiple transmitting and receiving devices
Power circuits for car module and pedestrian module• Battery considerations• Power management in software
Printed circuit board design for pedestrian module
GUI design for car module Final enclosure designs
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19Electrical and Computer Engineering Department
Deliverables
Midterm Design Review• Working receiver and transmit circuit on breadboard
Final Design Review• 1-2 working bike/pedestrian transmitters (depending on
budget)• Receiver installed in car• On-Windshield Display
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20Electrical and Computer Engineering Department
References
"Now the Volvo XC60 Also Gets Pedestrian Detection and the New Infotainment System." Volvo V70 News. Volvo, 16 Nov. 2010. Web. 22 Oct. 2011. <http://navi.cs.kumamoto-u.ac.jp/english/publications/pdf/int_thesis/2004-06.pdf>.
Zhu, Zhenfeng, Hanqing Lu, and Keiichi Uchimura. "Car Detection Based on Multi-Cues Integration." Diss. Computer Science Dept., Kumamoto University, Japan, 2004. Abstract. Car Detection Based on Multi-Cues Integration. IEEE. Web. 22 Oct. 2011. <http://navi.cs.kumamoto-u.ac.jp/english/publications/pdf/int_thesis/2004-06.pdf>.
"Cycling Fatalities." The Washington Post: National, World & D.C. Area News and Headlines - The Washington Post. Washington Post. Web. 22 Oct. 2011. <http://www.washingtonpost.com/wp-dyn/content/graphic/2010/05/19/GR2010051905937.html>.