A Minimal-Automaton-Based Algorithm for the Reliability of Con(d,k, n) Systems |
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Authors: | Chang Jen-Chun Chen Rong-Jaye Hwang Frank K |
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Institution: | (1) Department of Information Management, Ming Hsin Institute of Technology, Hsin-Chu, Taiwan;(2) Department of Computer Science and Information Engineering, National Chiao Tung University, Hsin-Chu, Taiwan;(3) Department of Applied Mathematics, National Chiao Tung University, Hsin-Chu, Taiwan |
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Abstract: | A d-within-consecutive-k-out-of-n system, abbreviated as Con(d, k, n), is a linear system of n components in a line which fails if and only if there exists a set of k consecutive components containing at least d failed ones. So far the fastest algorithm to compute the reliability of Con(d, k, n) is Hwang and Wright's
algorithm published in 1997, where
. In this paper we use automata theory to reduce
to
. For d small or close to k, we have reduced
from exponentially many (in k) to polynomially many. The computational complexity of our final algorithm is
, where
. |
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Keywords: | consecutive system Con(d k n) system reliability algorithm complexity |
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