arXiv Machine Learning By Tommaso Schettini, Nicholas D. Kullman, Jorge E. Mendoza

OpenHail: An Event-Driven Gymnasium Environment for Electric Ride-Hailing Fleet Control

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OpenHail is an open-source Gymnasium environment designed for controlling electric ride‑hailing fleets. It offers a fixed‑size observation–action interface that handles request assignment, repositioning, and charging, while its event‑driven simulator models pickup deadlines, vehicle job queues, battery dynamics, and finite‑capacity charging facilities with FIFO queues. The environment supports various decision‑epoch mechanisms—event‑driven, periodic, hybrid, and policy‑requested—allowing flexible policy interactions within a unified operational model, and includes tools for evaluation, metrics, and baseline policies.

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