application ii: network wide benefits of connected...objective •cost (i.e., market penetration)...
TRANSCRIPT
Application II:
Network‐wide Mobility Benefits of Connected Vehicle Technology
Mobility and Network Routing
Presenter: Shangjia Dong
Outline
Background
Objective
Methodology
PreliminaryResults
Conclusion
Background
http://www.automotiveworld.com/analysis/dot‐suggests‐us‐standardisation‐of‐connected‐vehicle‐devices‐and‐roadway‐systems/
• Vehiclespeed• Vehicledensity• Communicationrange
• Marketpenetration• ProbabilityofConnectivity
• …
Objective
• Cost(i.e.,marketpenetration)andbenefits(i.e.,safetyandmobility)inamixedtrafficenvironment(connectedvehicle&non‐connectedvehicle)
• Criticalmarketpenetrationandprobabilityofconnectivityintermsofthesystemtraveltime.
http://autocaat.org/Technologies/Automated_and_Connected_Vehicles/
ConnectedVehicleNetwork
Methodology
• Orangeagent:normalvehicle • Blueagent:connectedvehicle• 10 10 lattice 5 miles 5 miles with1,000vehicles• 10originand10destination100agentsineachorigin• Vehiclearrival: Poissondistributionwith 1800 veh/hr• Maximumdrivingspeed40mph
MP=10 MP=50 MP=90
PreliminaryResults‐ I
PC=100 PC=50
PC=10 MeanTravelTimevs.MarketPenetration
PreliminaryResults‐ II
PreliminaryResults‐ III30%
60%
Conclusion ‐ I
• Increaseofmarketpenetrationandprobabilityofconnectivitywillresultinthedecreaseofthesystemmeantraveltime.
Conclusion ‐ II
• Traveltimereliabilitycanbeenhancedbytheincreaseofmarketpenetration.
• Thereisacriticalmarketpenetrationunderprevailingprobabilityofconnectivitywheremeantraveltimeofthesystemstartsdropping.
Conclusion ‐ III
• ProbabilityofConnectivityhaslargermarginaleffectonMeanTravelTimeperformancethanMarketPenetration.