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Singularly Perturbed Markov Chains and Applications to Large-Scale Systems under Uncertainty

In: Modeling Uncertainty

Author

Listed:
  • G. Yin

    (Wayne State University)

  • Q. Zhang

    (University of Georgia)

  • K. Yin

    (University of Minnesota)

  • H. Yang

    (University of Minnesota)

Abstract

This chapter is concerned with large-scale hybrid stochastic systems, in which the dynamics involve both continuously evolving components and discrete events. Corresponding to different discrete states, the dynamic behavior of the underlying system could be markedly different. To reduce the complexity of these systems, singularly perturbed Markov chains are used to characterize the system. Asymptotic expansions of probability vectors and the structural properties of these Markov chains are provided. The ideas of decomposition and aggregation are presented using two typical optimal control problems. Such an approach leads to control policies that are simple to obtain and perform nearly as well as the optimal ones with substantially reduced complexity.

Suggested Citation

  • G. Yin & Q. Zhang & K. Yin & H. Yang, 2002. "Singularly Perturbed Markov Chains and Applications to Large-Scale Systems under Uncertainty," International Series in Operations Research & Management Science, in: Moshe Dror & Pierre L’Ecuyer & Ferenc Szidarovszky (ed.), Modeling Uncertainty, chapter 0, pages 475-514, Springer.
    • Handle: RePEc:spr:isochp:978-0-306-48102-4_21
    DOI: 10.1007/0-306-48102-2_21
    as

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