How to assess the robustness of a flexible transport using an Agent Based Model? Comment évaluer la robustesse d'un service de transport flexible simulé en Système Multi-Agent ? Some observations on optimal conditions of simulation

نویسندگان

  • Adrien Lammoglia
  • Nicolas Marilleau
  • Didier Josselin
چکیده

This paper presents a method to evaluate the robustness of a cooperating flexible transport system based on agents (taxis and clients) and simulated using NetLogo. Analysing a set of 124 scenarios of simulations on a range of synthetic populations (clients) and on various space networks organizations, we assess the sensitivity of a transportation model we proposed. Our main objective is to detect robustness thresholds in flow configurations and system efficiency. The research leads to two main results: (i) there exists an optimal balance between the frequency of system iterations (number of clients generations) and the total number of clients involved in simulations, (ii) to some extend, the network topological structure plays a non negligible role in transport efficiency. Résumé Cet article présente une méthode pour évaluer la robustesse d'un service de transport flexible modélisé en multi-agent et simulé sur la plate-forme Netlogo. Nous analysons la sensibilité du modèle grâce à 124 scénarios de simulation, chacun d'eux intégrant différentes quantités de population synthétique (les clients), combinées à quatre formes d'organisation spatiale théoriques.Notre objectif est de révéler des seuils de robustesse au delà desquels le système peut être considéré comme efficace ou non. À l'aide de plusieurs indicateurs, nous montrons qu'il existe un ratio optimal entre la fréquence et la quantité de client à créer. Nous expliquons aussi dans quelle mesure la forme des réseaux routiers influence l'efficacité du modèle.

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تاریخ انتشار 2013