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Simulation-based assessment of demand responsive transport systems
Zitatschlüssel Fuehrer2018BaDrtCottbus
Autor Führer, K.
Jahr 2018
Adresse Berlin, Germany
Wie herausgegeben Bachelor Thesis, Technische Universität Berlin
Schule TU Berlin, Institute for Land and Sea Transport Systems
Zusammenfassung Recent technological advancements open up possibilities to transform public transport systems. Shared autonomous vehicles operating as demand responsive transport (DRT) systems may replace feeder lines or whole transit systems with a flexible, on-demand service. In smaller cities, bus and tram lines often operate in unattractively long in-tervals. In these cases, DRT can provide lower trip times and lower operational costs than conventional public transport. The main objective of this thesis is to investigate a door-to-door and station-based operational scheme, the latter with two different sets of transit stops and comparing them to each other and the existing public transport as a base case. The multi agent transport simulation MATSim is used to model a typical workday in the city with roughly 27000 public transport trips. For the policy cases, the public transport trips are replaced by DRT trips. In the MATSim DRT extension, agents request a ride that is either accepted and inserted into a vehicle’s schedule or rejected, based on a set of criteria. The simulation results are assessed based on the rejection rate, travel times and operational costs. Compared to the base case, the travel times could be significantly lowered in all three pol-icy cases. The door-to-door scheme had the lowest overall trip time (including walking, waiting, boarding and riding) because walking to a station is not necessary. Although a high number of vehicles is needed for a sufficient level of service resulting in the highest costs for this case, the cost-benefit analysis showed that the door-to-door case with 550 vehicles provides the best results. DRT systems operated by shared autonomous vehicles are likely to start their service in the future. The simulated scenario shows the potential of these systems for smaller cities. Even with many questions regarding regulations and organisation still open, transport system planners need to embrace this new technology.
Typ der Publikation Bachelor's Thesis
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