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research article

Electrification of urban mobility: The case of catenary-free buses

Scarinci, Riccardo  
•
Zanarini, Alessandro
•
Bierlaire, Michel  
August 1, 2019
Transport Policy

Electric mobility is now a reality, and services based on electric vehicles, such as electric car-sharing and electric buses, are becoming part of urban mobility. These new modes bring new challenges for the design and operations of the systems that require specific decision support tools for the evaluation of the service performance. In order to pave the way toward integrated electrified urban mobility, an operational tool is needed that enables the technology to be successfully implemented in practice. This paper proposes a simulation framework for the evaluation of electric vehicle operations. The framework is composed of a simplified traffic simulator, an energy consumption model, and a speed profile model. A macroscopic representation of the energy consumption is derived from a nanosomic energy model. This allows limiting the computation time. Then, a stochastic representation of the stopping profile is defined, which is essential to derive the speed profile in case of missing data. The framework generates a distribution of the key performance indicators, like the battery state of charge, for a large number of scenarios. The utility of the framework is illustrated on the case study of a public transport service using catenary-free electric buses in combination with fast charging stations. The results quantify the probability that the on-board batteries reach a low state of charge, and they evaluate the effects of different strategies to reduce this probability. This information is useful for transport planners to dimension the system correctly.

  • Details
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Type
research article
DOI
10.1016/j.tranpol.2019.05.006
Web of Science ID

WOS:000474313100004

Author(s)
Scarinci, Riccardo  
Zanarini, Alessandro
Bierlaire, Michel  
Date Issued

2019-08-01

Publisher

ELSEVIER SCI LTD

Published in
Transport Policy
Volume

80

Start page

39

End page

48

Subjects

Economics

•

Transportation

•

Business & Economics

•

Transportation

•

transit network design

•

public charging stations

•

plug-in hybrid

•

electric vehicles

•

energy-consumption

•

simulation

•

management

•

system

•

model

•

trends

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
TRANSP-OR  
Available on Infoscience
July 21, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/159272
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