Pré-Publication, Document De Travail Année : 2024

Distributionally robust chance-constrained Markov decision processes with random transition probabilities

Résumé

Markov decision process (MDP) is a decision making framework where a decision maker is interested in maximizing the expected discounted value of a stream of rewards received at future stages at various states which are visited according to a controlled Markov chain. Many algorithms including linear programming methods are available in the literature to compute an optimal policy when the rewards and transition probabilities are deterministic. In this paper, we consider an MDP problem where the reward vector is known and the transition probability vector is a random vector which follow a discrete distribution whose information is not completely known. We formulate the MDP problem using distributionally robust chance-constrained optimization framework under various types of moments based uncertainty sets, and statistical-distance based uncertainty sets defined using ϕ-divergence and Wasserstein distance metric. For each uncertainty set, we propose an equivalent mix-integer bilinear programming problem or a mix-integer semidefinite programming problem with bilinear constraints. As an application, we study a machine replacement problem and perform numerical experiments on randomly generated instances.

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Dates et versions

hal-04373180 , version 1 (04-01-2024)

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  • HAL Id : hal-04373180 , version 1

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Hoang Nam Nguyen, Abdel Lisser, Vikas Vikram Singh. Distributionally robust chance-constrained Markov decision processes with random transition probabilities. 2024. ⟨hal-04373180⟩
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