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The Automated Highway System AHS and The Intelligent Vehicle Initiative IVI

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ABS (Anti-lock braking systems) Night vision systems. GPS. Adaptive cruise control ... Intersection collision warning systems. IVI Technologies. Human factors ... – PowerPoint PPT presentation

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Title: The Automated Highway System AHS and The Intelligent Vehicle Initiative IVI


1
The Automated Highway System (AHS)andThe
Intelligent Vehicle Initiative (IVI)
2
AHS The Vision
3
AHS The Vision
  • Removal of human error from the task of driving
  • Efficiency improvements (increased flow)
  • Safety improvements (decreased accidents)
  • Environmental improvements (decreased fuel use
    and emissions)

4
AHS The Vision (California Style)
  • Dedicated AHS lanes
  • Cars following in closely spaced platoons
  • Automated merging / diverging
  • Increased lane capacity x 2

5
AHS The Vision
  • HOW?
  • Technology to allow removal of reaction time and
    distance
  • Decrease in following distance increase in
    capacity
  • Safety maintained by technology
  • Internal platoons low speed differential
    crashes
  • Space between platoons decrease in severity of
    crash between platoons

6
AHS Platooning Concept
AHS Lane
Regular Lane
7
AHS The Technology
  • Automated Check-in
  • Automated Check-out
  • Lateral and Longitudinal Controls
  • Malfunction Management and Analysis
  • Commercial ( transit) Vehicle Needs
  • Deployment Issues

8
San Diego Tests
  • Mandated by Congress
  • Took place in San Diego in 1997 on a barrier
    separated HOV lane
  • Systems built by Automated Highway Systems
    Consortium
  • A partnership between government / universities /
    car companies

9
San Diego Test
  • Results
  • AHS is feasible
  • AHS is not currently practical
  • Various AHS technologies are marketable
  • AHS technologies have significant positive safety
    implications

10
Intelligent Vehicle Initiative
  • The result of the AHS Findings
  • Very heavy safety orientation
  • Use new technology on roadside and in vehicles to
    make roadways safer

11
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21
IVI Technologies
  • Currently on the market
  • ABS (Anti-lock braking systems)
  • Night vision systems
  • GPS
  • Adaptive cruise control
  • Front end collision warning systems
  • Automated mayday systems

22
IVI Technologies
  • Future Systems (under active development)
  • In-vehicle signing of
  • Dangerous conditions
  • Approaching emergency vehicle
  • Side collision avoidance systems
  • Rear object warning systems
  • Lane departure warning systems

23
IVI Technologies
  • Future Technologies (continued)
  • Remote control vehicles
  • Snow plows
  • Guard vehicles for maintenance (unmanned crash
    attenuator vehicles)
  • Multi-vehicle trains (1 driver, multiple
    vehicles) for commercial trucks on barrier
    separated roads

24
IVI Technologies
  • Future Technologies (continued)
  • Drowsy driver recognition
  • Intoxication detection
  • Automated steering control
  • Automated collision avoidance
  • Lane following
  • Obstacle recognition
  • Intersection collision warning systems

25
IVI Technologies
  • Human factors is a big deal
  • Do people trust the technology
  • Will people over-compensate for the technology
    (or misunderstand its capabilities)
  • ABS
  • 4-wheel drive in the snow

26
IVI Technology
  • Deployment is a big issue
  • Public infrastructure versus private system
  • Chicken and egg problem
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