A simple universal generating function method to search for all minimal paths in networks

  • Authors:
  • Wei-Chang Yeh

  • Affiliations:
  • Department of Industrial Engineering and Engineering Management, National Tsing Hua University, Hsinchu, Taiwan

  • Venue:
  • IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans
  • Year:
  • 2009

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Abstract

Evaluating network reliability is an important topic in planning, designing, and control of systems, and the minimal-path (MP) set is one of the fundamental tools for evaluating network reliability. A straightforward and simple algorithm is presented here for finding all MPs before calculating the binary-state network reliability between the source node and the sink node (i.e., one-to-one reliability). It is based on the universal generating function method (UGFM) and a generalized composition operator. The computational complexity of the proposed algorithm is also analyzed. Finally, an example is given to illustrate how all MPs are generated using the proposed UGFM.