Urban transport systems, including bike and scooter sharing, face significant challenges in vehicle management, especially with e-vehicles requiring regular recharging and maintenance. This thesis focuses on optimizing the rebalancing of e-vehicles in sharing systems. Initially, a Mixed Integer Linear Programming (MILP) model is implemented and validated to address the static relocation vehicle problem, integrating a Gini-based equity index to balance various objective function components. Key contributions include the implementation of state-of-the-art constraint generation procedures to efficiently find exact optimal solutions or lower bounds. Additionally, a heuristic algorithm is developed to achieve near-optimal solutions, which are then integrated into the exact procedures for faster resolution.

Urban transport systems, including bike and scooter sharing, face significant challenges in vehicle management, especially with e-vehicles requiring regular recharging and maintenance. This thesis focuses on optimizing the rebalancing of e-vehicles in sharing systems. Initially, a Mixed Integer Linear Programming (MILP) model is implemented and validated to address the static relocation vehicle problem, integrating a Gini-based equity index to balance various objective function components. Key contributions include the implementation of state-of-the-art constraint generation procedures to efficiently find exact optimal solutions or lower bounds. Additionally, a heuristic algorithm is developed to achieve near-optimal solutions, which are then integrated into the exact procedures for faster resolution.

Soluzioni esatte e approcci euristici per il bilanciamento statico ed equo di flotte di veicoli elettrici in sharing

PERINELLO, LORENZO
2023/2024

Abstract

Urban transport systems, including bike and scooter sharing, face significant challenges in vehicle management, especially with e-vehicles requiring regular recharging and maintenance. This thesis focuses on optimizing the rebalancing of e-vehicles in sharing systems. Initially, a Mixed Integer Linear Programming (MILP) model is implemented and validated to address the static relocation vehicle problem, integrating a Gini-based equity index to balance various objective function components. Key contributions include the implementation of state-of-the-art constraint generation procedures to efficiently find exact optimal solutions or lower bounds. Additionally, a heuristic algorithm is developed to achieve near-optimal solutions, which are then integrated into the exact procedures for faster resolution.
2023
Exact Solutions and Heuristic Approaches for the Equity-aware Static Rebalancing Problem in e-Vehicles Sharing Systems
Urban transport systems, including bike and scooter sharing, face significant challenges in vehicle management, especially with e-vehicles requiring regular recharging and maintenance. This thesis focuses on optimizing the rebalancing of e-vehicles in sharing systems. Initially, a Mixed Integer Linear Programming (MILP) model is implemented and validated to address the static relocation vehicle problem, integrating a Gini-based equity index to balance various objective function components. Key contributions include the implementation of state-of-the-art constraint generation procedures to efficiently find exact optimal solutions or lower bounds. Additionally, a heuristic algorithm is developed to achieve near-optimal solutions, which are then integrated into the exact procedures for faster resolution.
Exact Solutions
Heuristics
Sharing Systems
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12608/70916