Electric-vehicle car-sharing in one-way car-sharing systems considering depreciation costs of vehicles and chargers

Authors

Ali Edrissi Assistant Professor Civil Engineering Faculty K.N. Toosi University of Technology Tehran, Iran

Carlos Smaniotto Costa Assistant professor, CeiED Interdisciplinary Research Centre for Education and Development Centro de Estudos Interdisciplinares em Educação & Desenvolvimento Universidade Lusófona

Moein Askari Civil Engineering faculty, K. N. Toosi University of Technology, Tehran, Iran

Abstract:

In recent years, car-sharing systems have been announced as a way to increase mobility and to decrease the number of single-occupant vehicles, congestion, and air pollution in many parts of the world. This study presents a linear programming model to optimize one-way car-sharing systems for electric cars considering the depreciation costs of chargers and vehicles as well as relocation cost of vehicles. In this way, the objective function consists of imposed costs to the system due to the depreciation cost of vehicles, depreciation cost of chargers, and relocation cost of vehicles. Also, the rate of depreciation and the cost of relocation is considered constant in this study. The model was implemented on small and big test networks with 2 and 100 nodes with variable parameters and demand patterns. The results indicated that managing the fleet of vehicles by relocating the vehicles among stations increases the inventory at each station and minimizes the cost for meeting all requests. Also, the results indicated that the number of required vehicles decrease with an increase in charge levels and final cost increase with an increase in depreciation rate.

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