The proposed model uses the stochastic dynamic programming and in particular Markov decision processes applied to the Rail\udQuality Index (RQI - Italian Indice di Qualità del Binario, IQB).\udBy performing the integrated analysis of the classes of variables which characterize the overall service quality (in terms of\udcomfort and safety), the proposed mathematical approach allows to find the solutions to the decision-making process in\udfunction of the probability of deterioration of the state variables of the infrastructure over time and of the flow of available\udresources.
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