Convergence Rate of Ordinal Optimization for StochasticDiscrete Event Systems

  • Authors:
  • Qian-Yu Tang;Han-Fu Chen

  • Affiliations:
  • Département d‘IRO, Université de Montréal, C.P.6128, Succ. Centre-Ville, Montréal, Québec H3C 3J7, Canada;Laboratory of Systems and Control, Institute of Systems Science, Academia Sinica, Beijing 100080, People‘s Republic of China

  • Venue:
  • Discrete Event Dynamic Systems
  • Year:
  • 1999

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Abstract

It is shown that a global optimization algorithmusing ordinal comparison converges to the good enough designswith a convergence rate faster than any polynomial of the totalcomputing budget. The result is established in the context ofone-dependent regenerative processes under the exponential stabilitycondition of the underlying systems. A systematic approach isintroduced to check the exponential stability condition by thestochastic Lyapunov function criterion. Examples arising in queueingtheory are employed to illustrate the developed criterion.