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Lars-Erik Cederman and Luc GirardinCenter for Comparative and International Studies (CIS)
Swiss Federal Institute of Technology Zurich (ETH)http://www.icr.ethz.ch/teaching/compmodels
Advanced Computational Modelingof Social Systems
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Agenda
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ABM & Traffic: History
• 1950er– James Lighthill, Univ. of Manchester
Traffic flow modeled as fluid– General Motors Research Group
modeled automobiles as individual units
• 1970er– Rainer Wiedemann, Univ. of Karlsruhe
explored complex psychological behavior
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ABM & Traffic: History
• 1990er– Kai Nagel and Michael Schreckenberg
Simple psychological rules:• The drivers have a preferred speed• The drivers keep a safe distance• There are random disturbances
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Critical density
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Hysteresis
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Example: Nagel-Schreckenberg Model
Start demonstration
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Activity-based demand
• Travel plans for each traveler based on typical activities
• AlbatrossTU Eindhoven & Ministerie van Verkeer & Waterstaat, NL
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Microscopic models2. Generation
• Microscopic, but with activity-based demand
• IlumassUnis Bamberg, Dortmund, Köln & Wuppertal, RWTH Aachen, DLR, Bundesministerium für Bildung & Forschung, Deutschland
• TransimsLos Alamos National Lab (UC) & IBM, USA
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Learning models
• The agents learn from their experience and adapt their travel plans
• BAB-NRWUni Duisburg/Essen, Ministerium fürVerkehr, Energie und Landesplanungdes Landes NRW, LandesbetriebStraßen NRW, Germany
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Example: UrbanSim
• UrbanSim is a simulation model for integrated planning and analysis
• Developed at the Univ. of Washington, Seattle
• Features decision-making by households, businesses, developers and governments
• http://www.urbansim.org/
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Example : ILUTE
• Integrated Land Use Transportation Modeling from Toronto
http://www.civ.utoronto.ca/sect/traeng/ilute/
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ILUTE continued
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ILUTE continued
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Alpine tourism
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Alpine tourism (cont.)
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PEDSIM