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High Reliability Systems by Multiplexing

Summary: A multiplex systems, a system equivalent to a series of n structures of m parallel elements which is sometimes called component redundancy, is studied and found to be superior to a parallel system consisting of m parallel redundant structures of n units which is sometimes called unit redundancy. A guideline for the reduction of the probability of parallel system failure by the multiplex system when ( 4 is 1/nm-1 if (t < .1 where ( is the constant failure rate and t is the time of system operation. Additional isolation components and less than complete multiplexing (combination of multiplexing and parallel system) may offer reliability improvement in design when the physical act of complete multiplexing is prohibitive.

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  • Topics: Reliability
  • Keywords: Statistical methods,Nuclear,Reliability,Redundancy
  • Author: Guild, Richard D.; Chipps, James D.
  • Journal: Journal of Quality Technology