Abstract
As the electrification of the transportation sector advances, fleet operators have to rethink their approach regarding fleet management against the background of limiting factors, such as a reduced range or extended recharging times. Charging infrastructure plays a critical role, and it is worthwhile to consider its planning as an integral part for the long-term operation of an electric vehicle fleet. In the category of fixed route transportation systems, the predictable character of the routes can be exploited when planning charging infrastructure. After a prior categorization of stakeholders and their respective optimization objectives in the sector coupling domain, a cost optimization framework for fixed route transportation systems is presented as the main contribution of this work. We confirm previous literature in that there is no one-fits-all optimization method for this kind of problem. The method is tested on seven scenarios for the public transport operator of Darmstadt, Germany. The core optimization is formulated as a mixed integer linear programming (MILP) problem. All scenarios are terminated by the criterion of a maximum solving time of 48 h and provide feasible solutions with a relative MIP-gap between 7 and 24%.
Highlights
The electrification process is shaping the mobility of future generations
This paper focuses on the optimization of a single objective: minimizing the monetary cost related to the operation of a vehicle fleet, including the construction of charging infrastructure where the fleet operation exhibits the character of a fixed-route transportation system
Since many public transportation enterprises, distribution center operators, and waste management companies fall into the fixed-route Transportation Systems (frTS) category, we further investigate them
Summary
The electrification process is shaping the mobility of future generations. Environmental concerns; technological enablers, such as higher battery energy densities; and political agendas are advancing the process of electrifying different sectors across society.The motivation ranges from pure economic considerations over social welfare reasons to combating climate change for environmental causes. The electrification process is shaping the mobility of future generations. Environmental concerns; technological enablers, such as higher battery energy densities; and political agendas are advancing the process of electrifying different sectors across society. The motivation ranges from pure economic considerations over social welfare reasons to combating climate change for environmental causes. Commitments like the Paris Agreement underline the momentum of this process [1]. With the advancement of the energy transition in Germany towards a carbon neutral society in 2050, as envisioned by the German government [2], incentives for consuming more renewable energies come along. In the transportation and the energy sector, minimizing carbon emissions is a major goal
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