Highway Deer Identification System Matthew Bonneau Tony DeLouis Nathan Schoening Steve Schreiber...
-
Upload
todd-booker -
Category
Documents
-
view
212 -
download
0
Transcript of Highway Deer Identification System Matthew Bonneau Tony DeLouis Nathan Schoening Steve Schreiber...
Highway Deer Identification Highway Deer Identification SystemSystem
Matthew BonneauTony DeLouis
Nathan SchoeningSteve Schreiber
May07-11 Team Information:May07-11 Team Information:
ClientMembers Advisor
April 21, 2023April 21, 2023
Senior DesignDr. John W. Lamont
Prof. Ralph E. Patterson III
Dr. Degang Chen
May07-11 Highway Deer Identification SystemApril 21, 2023
Presentation OutlinePresentation Outline Introduction Project Overview Project Activities Resources/Schedules Conclusion Demonstration Questions
May07-11 Highway Deer Identification SystemApril 21, 2023
List of DefinitionsList of Definitions Days of Autonomy
The number of days a standalone system runs without power input
Geophone Device that converts seismic vibrations into alternating
current IR
Infrared PV
Photovoltaic (solar electric)
May07-11 Highway Deer Identification SystemApril 21, 2023
Problem StatementProblem Statement Deer Vehicle Collisions
Dangerous Costly Potential for mitigation
Active Detection and Warning Sense the presence of
deer on/near road Warns motorists only
when hazard exists
May07-11 Highway Deer Identification SystemApril 21, 2023
Operating EnvironmentOperating Environment Environment
Primarily Rural Highway -10 to 100°C 0 to 100% Relative
Humidity Precipitation
Hazards Plows Mowing Utility/Road Maintenance
May07-11 Highway Deer Identification SystemApril 21, 2023
Intended Users and UsesIntended Users and Uses
Intended UsersMotorists Installation/Maintenance Personnel
Intended UsesWarn Motorists to Hazard On/Near Roadway
May07-11 Highway Deer Identification SystemApril 21, 2023
Assumptions and LimitationsAssumptions and Limitations Assumptions
Deer are not the only hazard Minimal spurious warningsNeeds to be more cost-effective than best
alternative Limitations
Minimal maintenancePotentially harsh operating environmentFunction without electric grid
May07-11 Highway Deer Identification SystemApril 21, 2023
End Product and DeliverablesEnd Product and Deliverables
Detailed design for geophone-based deer detection systemComponent specificationsCircuit diagramsWiring diagramsDesign for appropriate photovoltaic systemPrototype of detection/warning circuit
May07-11 Highway Deer Identification SystemApril 21, 2023
Present AccomplishmentsPresent Accomplishments
Accomplishments:Designed the photovoltaic systemDesigned the detection/warning hardwareOperationally tested the detection/warning
hardwareFunctionally tested entire system
May07-11 Highway Deer Identification SystemApril 21, 2023
Approaches ConsideredApproaches Considered
Laser-“Break the Beam” Can’t track deer across road
IR Motion Similar to home security system Can’t discriminate
IR Optical Recognition Expensive equipment Required sophisticated processing
May07-11 Highway Deer Identification SystemApril 21, 2023
Approach UsedApproach Used Geophone-based sensing
Detect vibrations in the ground
Signal conditioning Amplification Filtering
Peak detectionLED Warning signsPhotovoltaic power supply
May07-11 Highway Deer Identification SystemApril 21, 2023
Project DefinitionProject Definition
Automated system to warn approaching vehicles that deer are near the highway
System to protect one mile of highway Efficient and cost-effective Continue warning until deer have left road
area Ignore crossroads and driveways Standalone power supply
May07-11 Highway Deer Identification SystemApril 21, 2023
ResearchResearch
Existing Systems What technologies
exist? Which work best?
Geophones Signal strength? Seismic
frequencies?
May07-11 Highway Deer Identification SystemApril 21, 2023
ResearchResearch
JASON D. WOOD, CAITLIN E. O'CONNELL-RODWELL, SIMON L. KLEMPERER (2005). Using seismic sensors to detect elephants and other large mammals: a potential census technique. Journal of Applied Ecology. 42 (3), 587–594.
May07-11 Highway Deer Identification SystemApril 21, 2023
DesignDesign Photovoltaic System
Provide standalone power
Geophones Detect vibrations Deer: ≈25 Hz
Signal Conditioning Amplification Filtering
Detection/Warning Peak detection Flashing LEDs
May07-11 Highway Deer Identification SystemApril 21, 2023
DesignDesign
Photovoltaic System12VDC Output3 Days of
Autonomy
PhotovoltaicPanel
ChargeController
Battery
85 Watts
12V Deep cycle75 Amp-hours
15 Amps
May07-11 Highway Deer Identification SystemApril 21, 2023
DesignDesign
Signal Conditioning
May07-11 Highway Deer Identification SystemApril 21, 2023
DesignDesign
Detection and Warning
Signal Conditioning
High-Intensity LEDs
Comparator Timer
May07-11 Highway Deer Identification SystemApril 21, 2023
ImplementationImplementation
3 dB @ 29 Hz
Low-Pass Passive Filter
Filtering and Amplification
BufferHigh-Pass Passive Filter
3 dB @ 0.079 Hz
Low-Pass Active Filter
3 dB @ 50 Hz2-Stage 300x Gain
May07-11 Highway Deer Identification SystemApril 21, 2023
ImplementationImplementation
Detection and WarningConsidered using microcontrollerTeam lacked programming experienceOpted for analog peak detection
May07-11 Highway Deer Identification SystemApril 21, 2023
TestingTesting
Verified: High-pass filtering 300x amplification Edge detection DC Filter Geophone
Issues Revealed: Lack of selectivity Range vs. sensitivity
May07-11 Highway Deer Identification SystemApril 21, 2023
ResourcesResources
Personnel Efforts Other Resources
May07-11 Highway Deer Identification SystemApril 21, 2023
ResourcesResources
Financial Resources
May07-11 Highway Deer Identification SystemApril 21, 2023
ScheduleSchedule
May07-11 Highway Deer Identification SystemApril 21, 2023
Project EvaluationProject Evaluation
0% 20% 40% 60% 80% 100%
Subsystem Motorist
Warning
Signal Conditioning
Photovoltaic
May07-11 Highway Deer Identification SystemApril 21, 2023
Project EvaluationProject Evaluation
May07-11 Highway Deer Identification SystemApril 21, 2023
CommercializationCommercialization Has Potential for Commercialization
Some systems are patented Cost to Consumers
$18,000 per mile Both sides of road 200 geophones 40% margin Excluding installation
Questions Remain Do these systems reduce number/severity of deer-
vehicle collisions? Iowa DOT cut funding of similar system
May07-11 Highway Deer Identification SystemApril 21, 2023
Recommendations for Recommendations for Additional WorkAdditional Work Validation
Does warning drivers reduce accident frequency? Long-term roadside testing
Additional Functionality Data Logging:
Number of deer in given area System activity vs. driver speed
Diagnostics Microcontroller-based detection
May07-11 Highway Deer Identification SystemApril 21, 2023
Lessons LearnedLessons Learned It’s easy to over-research/analyze and
put off making key decisions
Check your batteries
Take no action unless you know that it will take you closer to your desired outcome
May07-11 Highway Deer Identification SystemApril 21, 2023
Risk ManagementRisk Management
RiskDelay in acquiring geophoneDesign detection circuit without having sensor
Risk ManagementAdjustable gains and thresholdsKept filter stages flexible
May07-11 Highway Deer Identification SystemApril 21, 2023
Closing SummaryClosing Summary
Deer-vehicle collisionsCause millions of dollars worth of damageCause injuries and fatalities
Active warning systemsHave potential to reduce costs and injuriesAre technically feasibleEffectiveness is still unknown
May07-11 Highway Deer Identification SystemApril 21, 2023
Questions?Questions?