enhancing mobility through technology in a congested urban environment
DESCRIPTION
Enhancing Mobility Through Technology in a Congested Urban Environment. by Alain L. Kornhauser, PhD Professor, Operations Research & Financial Engineering Director, Program in Transportation Faculty Chair, PAVE (Princeton Autonomous Vehicle Engineering) Princeton University Presented at - PowerPoint PPT PresentationTRANSCRIPT
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by
Alain L. Kornhauser, PhDProfessor, Operations Research & Financial Engineering
Director, Program in Transportation Faculty Chair, PAVE (Princeton Autonomous Vehicle Engineering)
Princeton University
Presented at
PAVE – Summer WorkshopPrinceton, NJAugust 4-6, 2014
Enhancing Mobility Through Technology in a Congested Urban Environment
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Enhancing Mobility Through Technology in a Congested Urban Environment
Evolution of Ground Transport Technology:From the Omnibus
through Personal Rapid Transit (PRT) to autonomousTaxis (aTaxis)
The Problem: Urban Congestion Snarls MobilityAlso issues about accessibility and equality of access
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Over the years technology has evolved…
From:Omnibus on Blackfriar’s Bridge, 1798
To:Hummers for everyone, 2012
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Evolution of the OmniBus for intra-urban mass transportation
Start:London,1798
Geo Enhancement: NYC, 1830
Capacity Enhancement:Double Decker, London
Propulsion Enhancement: Steam, London
Technology Elements:• Capacity: ~10 Seated Passengers• Propulsion: Horses or Mules• Externalities: Disease and non-operating
revenue from pollution• Suspension: Steel Sprung Wooden Wheel with
solid axel• Way: “Flat” Pavement (stone, wood, compacted
earth)• Headway & Lateral Control: Human
Support Enhancement:Iron (Steel) Rails
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Week 8
Growth of Horse-Drawn Street Railway Technology
1850: NYC 1875: Minneapolis1860: London
1890: Broadway NYC 1908: Washington , GA
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Evolution of Horse-Drawn Street Railway Technology
Today: DisneyWorld
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Week 9
Growth of Cable Street Railway Technology
1880: Washington, DC
1880: Los Angeles
Beginning in 1873: San Francisco
1890: Kansas City
1890: Chicago
1882: Portland, OR
1874: Hoboken
1900: Pittsburgh
1896: Cincinnati
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Elements of Cable Street Railway Technology
1886: Steam Power Plant
Under the street
Hoboken Grip
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Elements of Cable Street Railway Technology
http://cable-car-guy.com/html/ccmain.htmlCable Car Bell Ringing Contest
Interior
Let Go xing
Stuck
Gripper
Push
San Francisco
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http://cable-car-guy.com/html/ccmain.htmlCable Car Bell Ringing Contest
Beginning 1873: SF
More images, incline RR
Evolution of Cable Street Railway Technology
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Birth-Death Process of Transport Technology
In the beginning…
In the end…
“… [I]n capitalist reality…, it is not [price] competition which counts but the competition from the new commodity, the new technology…- competition which commands a decisive cost or quality advantage and which strikes not at the margins of the profits and the outputs of the existing firms but at their foundations and their very lives.” Joseph A Shumpeter (1883-1950)
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2nd half of 19th Century is a period of industrialization and rapid growth of cities
• In response, cities can occupy the same area at a higher density, implying higher congestion, or
• Expand over a larger area, requiring better transportation technology.
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Mid-Late 19th C ways to address congestion through segregation of modes
Pedestrian Overpass People over Transport
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Segregation of Modes
Week 9
Transport over People
London NYC
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Segregation of ModesBuilding the First Elevated RR in NYC
Commenced Service, 7/2/1867 (cable powered, converted to steam 2/14/1883)
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Segregation of Modes
Building the First Elevated RR in NYC
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Segregation of Modes
Building Elevated RR in NYC
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Segregation of Modes
Building Elevated RR in NYC
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Segregation of Modes
Building Elevated RR in NYC
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Segregation of Modes
Building Elevated RR in NYC
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Segregation of Modes
Building Elevated RR in NYC 2nd Ave Line, 1900
6th Ave Line, 1945
3rd Ave Line
6th Ave Line Station, 1878
Chicago Loop, 1900
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Segregation of Modes
Going Underground: Transport Under People
London, 1860sBaker St. Station, London Metropolitan,
commenced service 1/10/1863
Cut & cover, Paddington,1866 NYC Park Ave, 1880 Boston, 1st US, 1904
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Electric Traction
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Innovation of Electric Traction
The Innovators
Werner Von Siemens 1816-1892
Montgomery Al., 1882
Berlin, 1879
Kurfurstendamm St., 1879
Thomas Davenport (1802-1851)an American blacksmith and inventor who invented the first DC electrical motor in 1834 and made a small model of electrical railway in 1835. He patented a device for "Improvements in propelling machinery by magnetism and electromagnetism" in 1837 (his electric railway).
Davenport's model of an electric "train." The circular track is 4 feet in diameter. Power was supplied from a stationary battery to the moving electric locomotive, using the rails as conductors
for the electricity
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The Innovators
Charles Van Depoele 1846-1892Chicago Demonstration 1883, overhead wiresaa
Leo Daft (1843-1922) Baltimore 1885Uses 3rd rail
Innovation of Electric Traction
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Week 9
1st Really Successful System Richmond, VA, 1888
Frank J Sprague 1857-1934
Innovation of Electric Traction
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Growth to Maturity of Electric Traction
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Growth to Maturity of Electric TractionNewark, NJ, 900
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Week 9
Growth to Maturity of Electric Traction
Witherspoon St. @ Gate to Nassau Hall
Princeton, NJ, 1930
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Growth to Maturity of Electric Traction
Build ‘em Everywhere
Iowa
Indiana Ohio
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Week 9
Growth to Maturity of Electric TractionBuild ‘em Everywhere
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Week 9
Electric Traction
Putting the squeeze on the competition
But in the end….
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Death of Electric Traction
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Week 9
Death of Electric Traction
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Week 9
Nostalgia of Electric Traction
Pittsburgh
Newark Subway
SF Muni
River Line NJ
Online sources of Light Rail Transit•Replicas of Vintage Trolley Cars: John Smatlak Link•Light Rail, Tramway and Urban Transit Links Link•Light Rail Transit Systems in US Link
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Week 9Jon Bell’s Rail Transit Pages
Good source on many of his pictures and descriptions
Growth to Maturity of Electric Traction
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Trolley Bus
1st Trolley BusVon Siemens
Kurfurstendamm St., 1879
NYC 1930
Philadelphia, 1970
LA, 1912
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Week 9
Growth to Maturity of Electric Trolleys
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Early Innovators of the Automobile
Nicolaus Otto (1832-1891)invented the first practical alternative to the steam engine in 1876 -- the first four-stroke internal combustion engine. He called it the "Otto Cycle Engine," and as soon as he had completed his engine, he built
it into a motorcycle.
Gotlieb Daimler 1834-1900
Wilhelm Maybach 1846-1929
Daimler Maybach Improved Ottos’s Engine 1st Motorcycle 1885; 4-wheel automobile 3/8/1886
1st bus (modified Benz Truck) 1895
Benz patent 1886 1st Automobile 1st Production Benz, Velo, 1894
Karl Benz 1844-1929
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Week 9
Early Innovators of the Automobile
Steam
Stanley Steamer Link Wiki
Francis Edgar Stanley 1849 -1918Freelan Oscar Stanley 1849 - 1940
1913 Stanley Steamer1918 Stanley Steamer
1903 Mile Record
1908 Land Speed Record 127 mph
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Early Innovators of the Automobile
ElectricHistory of Electric cars
1900 Baker Electric GM ev1 2000
Crushed ev1s
Who Killed the Electric car
1905 Woods Early electric cars
Elon Musk to the rescue?
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Week 9
Early AutomobilesNot so good!
Bad Roads Bad Weather
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Dominance of Automobiles
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Dominance of Automobiles
1900 1920 1940 1960 1980 20000
20
40
60
80
100
120
140
160
US Automobile Registrations 1900-2005
Year
Aut
omob
ile
Reg
istr
atio
ns U
S
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Innovative Solutions
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What about Mass Transit??
Do you mean Monorails??
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MonoRails: Not a new conceptSuspended
1886, Cambridge Line
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Week 9
Wuppertal Schwebebahn
Movie
•8.3 miles•20 stations•22.9 M pax/yr•72,000 pax/day•Av occupancy 52.8%•2.9 miles Av.Travel Distance•.03632 kWh/pax
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Week 9
MonoRails: DisneyWorld
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Week 9
Alternative Propulsion:You’ve got to go FAST!
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Automated SystemsCommuter Rail
BART
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Automated SystemsCommuter Rail
Lindenwold NJ Line
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Automated People Movers
Westinghouse SkyBus, South Park Test Track Pgh, Pa
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Automated People Movers
Westinghouse SkyBus, South Park Test Track Pgh, Pa Tampa Airport
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Morgantown PRT(On the vehicle switch!)
(actually: Group Rapid transit (GRT))Starts with Alden Starr car
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Morgantown PRT
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Morgantown PRT
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Morgantown PRT
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Morgantown PRT
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Morgantown PRT
Movie Movie2
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Week 9
Morgantown PRT
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DFW AirTrans PRT
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DFW AirTrans PRT
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Alternative SupportAir Bearing
Compatible with:•On-vehicle switch•Linear induction propulsion•Low Floor
Passive element of LIM in guideway
Active element of LIM in guideway
Transportation Technology, Inc. (TTI) -Otis
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Alternative “Support”:Attractive Mag lev
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Alternative “Support”:Overhead Suspended
Rohr Monocab
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Alternative “Support”:Overhead Suspended
Rhor Monocab
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Alternative “Support”:Overhead Suspended
Rhor Monocab
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Alternative “Support”:Overhead Suspended H-Bahn
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Alternative Headway ControlLaser range
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Alternative Headway ControlAramis
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Alternative “Support”:“Both” CabinenTaxi
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Alternative “Support”:“Both” CabinenTaxi
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Week 9
Alternative “Support”:CVS
(Bullet through the propeller trick)
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Alternative “Support”:CVS
(Bullet through the propeller trick)
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Current PRT Innovators: Vectus
Link & Video
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And Today…• Masdar (2GetThere) & Heathrow (Ultra) are operational
Video
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Morgantown 1975
Remains a critical mobility system today & planning an expansion
Today…
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• PRT: Tough business case:– Segregated guideway too often needs to be elevated
• Tends to pass by bedroom windows• Tough sell at public meetings• Guideway is Expensive
– Small initial systems tend to be in areas of high demand• While a small vehicle system would work, so will a larger
vehicle system, which has less risk– Example: airports, large APM (Automated People Mover) just
fine even though they have no expansion potential (nor does the “owner” have expansion desires)
• Therefore, not easy to get started.
Week 1