Reliability optimization of a complex system by the stochastic branch and bound method

  • Authors:
  • V. I. Norkin;B. O. Onishchenko

  • Affiliations:
  • V. M. Glushkov Institute of Cybernetics, National Academy of Sciences of Ukraine, Kyiv, Ukraine;Cherkassy National University, Cherkassy, Ukraine

  • Venue:
  • Cybernetics and Systems Analysis
  • Year:
  • 2008

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Abstract

An optimal redundancy problem is considered as a stochastic optimization problem. The mean lifetime of a network is maximized by the stochastic branch and bound algorithm. To obtain (stochastic) estimates of branches, use is made of stochastic tangent minorants and majorants of the objective functional, interchange relaxation (permutation of maximization and expectation operations), and multiple solution of auxiliary dynamic programming problems.