Optimal rebalancing and on-board charging of shared electric scooters

Jesus Osorio, Chao Lei and Yanfeng Ouyang

Transportation Research Part B: Methodological, 2021, vol. 147, issue C, 197-219

Abstract: This paper presents a sequence of models for optimal overnight charging and rebalancing of shared electric scooters (e-scooters) by allowing e-scooters to be charged while being transported on rebalancing vehicles. This problem is first modeled as a mixed-integer program for the multi-commodity inventory routing problem, where commodities represent e-scooters with different states of charge. To avoid prohibitive computation burden, continuous approximation techniques are proposed to estimate costs associated with the pickup and drop-off operations in small local neighborhoods, and the formulation turns into a discrete-continuous hybrid model for the integrated operations at both local and line-haul levels. A series of numerical experiments are conducted to demonstrate that, as compared to direct application of the discrete formulation, the proposed hybrid approach can produce good quality solutions for large-scale instances in a much shorter computation time.

Keywords: Electric scooter; Sharing; Micromobility; Mixed-integer program; Continuous approximation (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (5)

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DOI: 10.1016/j.trb.2021.03.009

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