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Pre-Day Scheduling of Charging Processes in Mobility-on-Demand Systems Considering Electricity Price and Vehicle Utilization Forecasts

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posted on 2020-05-13, 19:26 authored by Florian Dandl, Fabian FehnFabian Fehn, Klaus Bogenberger, Fritz Busch
Electrifying mobility-on-demand (MoD) fleets is
an important step towards a more sustainable transportation
system. With increasing fleet size, MoD operators will be
able to participate in the energy exchange market and will
have access to time-varying electricity prices. They can benefit from intelligent scheduling of charging processes considering forecasts of electricity prices and vehicle utilization. Considering a long time horizon of, e.g., a day improves scheduling decisions, but electricity prices change in a short interval of 15 minutes; hence, an optimization-based approach needs to overcome challenges regarding computational time. For this reason, we develop a macroscopic model to study the tradeoffs between electricity, battery wear and level-of-service costs. In scenarios with varying fleet size and different numbers of
charging units, we compare the performance of several reactive and scheduling policies in a simulation framework based on a macroscopic model. Overall, the results of the study show that an MoD provider with 2000 vehicles could save several thousands of euros in daily operational costs by changing from a state of charge reactive charging strategy to one adapting to the price fluctuations of the electricity exchange market.


Email Address of Submitting Author

Submitting Author's Institution

Technical University of Munich, Chair of Traffic Engineering and Control

Submitting Author's Country

  • Germany

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