Solving Markov Decision Processes via Simulation

Abhijit Gosavi ()
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Abhijit Gosavi: Missouri University of Science and Technology

Chapter Chapter 13 in Handbook of Simulation Optimization, 2015, pp 341-379 from Springer

Abstract: Abstract This chapter presents an overview of simulation-based techniques useful for solving Markov decision processes (MDPs). MDPs model problems of sequential decision-making under uncertainty, in which decisions made in each state collectively affect the trajectory of the states visited by the system over a time horizon of interest. Traditionally, MDPs have been solved via dynamic programming (DP), which requires the transition probability model that is difficult to derive in many realistic settings. The use of simulation for solving MDPs allows us to bypass the transition probability model and solve large-scale MDPs considered intractable to solve by traditional DP. The simulation-based methodology for solving MDPs, which like DP is also rooted in the Bellman equations, goes by names such as reinforcement learning, neuro-DP, and approximate or adaptive DP. We begin with a description of algorithms for infinite-horizon discounted reward MDPs, followed by the same for infinite-horizon average reward MDPs. Then we present a discussion on finite-horizon MDPs. For each problem considered, we present a step-by-step description of a selected group of algorithms. In making this selection, we have attempted to blend the old and the classical with more recent developments. Finally, after touching upon extensions and convergence theory, we conclude with a brief summary of some applications and directions for future research.

Keywords: Reinforcement Learning; Preventive Maintenance; Bellman Equation; Policy Iteration; Average Reward (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1007/978-1-4939-1384-8_13

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