synergies between prt and driverless c ars n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Synergies Between PRT and Driverless C ars PowerPoint Presentation
Download Presentation
Synergies Between PRT and Driverless C ars

Loading in 2 Seconds...

play fullscreen
1 / 24

Synergies Between PRT and Driverless C ars - PowerPoint PPT Presentation


  • 190 Views
  • Uploaded on

Synergies Between PRT and Driverless C ars. Prof. Em . Ingmar Andreasson LogistikCentrum AB. Ingmar Andreasson. Bus network planning 1970:ies Taxi fleet management 1980:ies Driverless transit since 1990:ies PRT design and control patents Professor T raffic simulation KTH

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Synergies Between PRT and Driverless C ars' - melosa


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
synergies between prt and driverless c ars

Synergies Between PRT and Driverless Cars

Prof. Em. Ingmar Andreasson

LogistikCentrumAB

ingmar andreasson
Ingmar Andreasson
  • Bus network planning 1970:ies
  • Taxi fleet management 1980:ies
  • Driverless transit since 1990:ies
  • PRT design and control patents
  • Professor Traffic simulation KTH
  • Vice President Advanced Transit Association
new transport modes are needed
New transport modes are needed
  • Use of private cars has decreased
  • Fewer youngsters take driver’s license
  • Car industry in crisis
  • Energy crisis
  • Climate crisis
  • Congestion
  • Lack of space for roads and parking
some development trends
Some development trends
  • Electric cars
  • Car-sharing
  • Co-modal trip planners
  • Autonomous cars
  • Driverless transit
nhtsa levels of automation
NHTSA Levels of automation
  • L1: Function specific (ex: braking)
  • L2: Combined functions (ACC+lane)
  • L3: Limited self-driving
    • Driver can cede control under conditions
    • Google car, platoons
  • L4: Self-driving
    • Can run empty, shared or public
    • In parking lots, reserved lanes
sartre project
SARTRE project

0.3 sec headway (6 m gap) @ 85 kph in mixed traffic

driverless transit
Driverless transit
  • Vehicles can be small
  • Short headways
  • Individual, on demand
  • Non-stop between transit stops
  • Reserved right-of-way
  • Personal Rapid Transit
morgantown prt since 38 years
Morgantown PRT since38 years
  • 73 vehicles
  • 80 million passengers
  • No serious accident
modern prt
Modern PRT
  • Small, light
  • Short headways
automated transit networks prt
Automated Transit Networks (PRT)
  • Steering, braking, navigating since 1975
  • Reserved lanes or separate “roads”
  • Empty repositioning by demand
  • Excellent safety
  • Available to all (age, disabilities, license)
  • Low energy, no pollution
synergy contributions from cars
Synergy contributions from cars
  • Resources for development
  • Low-cost sensors
  • Better batteries
  • Economies of scale
  • Communication protocols
  • Acceptance of short headways (0.3 vs 3 secs)
  • Strong industry lobby
economies of scale
Economies of scale

100 000 € 100 000 € 30 000 €

contributions from prt
Contributions from PRT
  • 38 years operating experience
  • Proven safety
  • Standards and certification
  • Ride-sharing strategies
  • Empty vehicle management
  • Safe and smooth intersection control
r ide sharing patterns
Ride-sharingpatterns

D2

O

D1

Same destination

Two destinations

Two & pick-up

(Pick-up & continue)

vehicle surplus deficits
Vehiclesurplus/deficits

Vehicles in station

– Vehicles allocated to depart

+ Vehicles (loaded or empty) on way in

– Passenger parties waiting

– Expected passengers during call time

management of empties
Management ofempties
  • Call/sendbased on surplus/deficit
  • Swap destinations so longestwaitingpassenger gets nearest
  • Sendremainingtolargest deficit
intersection control
Intersection control
  • Approaching vehicle calls controller
  • Controller allocates passage time-slot
  • Notice of passage time sent to vehicle
  • Vehicle adapts speed to fit slot
  • Individual greens to pass
  • = Merge control in asynchronous PRT
dual mode
Dual-Mode

Car development

  • Manual plus Driverless on guideway

PRT development

  • Guideway PRT plus manual control
  • Convergence of Car and PRT
dual mode is attractive
Dual-Mode is attractive
  • Door to door travel
  • Guideways and access can be widely spaced
  • Need not be connected to network
  • Attractive along arterials with queues
  • Allows gradual implementation
  • Vehicles private – less public investment
  • No operator – V2V control
  • Public system possible on guideways
dual mode infrastructure
Dual-Mode infrastructure
  • Guideway = public road
  • Relieving road congestion
  • Open for equipped and checked vehicles
  • For small vehicles only
  • Less investment than new roads/lanes
  • Small footprint
  • Suitable for battery charging and debiting
conclusions
Conclusions
  • Embrace Driverless Cars and PRT
  • Developments supporting each other
  • Both converge into Dual-Mode
  • Network of reserved roads/lanes/guideways for autonomous vehicles
  • Private and public transport on same network
  • Automated taxi – “aTaxi”
  • Eventually in mixed traffic