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1978•IEEE Transactions on ReliabilityRequires access

Taming the All-Equipment Reliability Test

Anthony Coppola

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Abstract

As currently used, the all-equipment reliability test provides unequal risks favoring the producer for short test periods and favoring the consumer for long test periods. This paper describes the empirical derivation of a method for modifying the test to provide equal producer and consumer risks over a range of test lengths. With the formulas provided in the paper, the user can structure an all-equipment test with equals-risks for discrimination ratios of 2.0:1, 1.5:1, or 3.0:1, as desired.

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What this paper is about

As currently used, the all-equipment reliability test provides unequal risks favoring the producer for short test periods and favoring the consumer for long test periods. This paper describes the empirical derivation of a method for modifying the test to provide equal producer and consumer risks over a range of test lengths. With the formulas provided in the paper, the user can structure an all-equipment test with equals-risks for discrimination ratios of 2.0:1, 1.5:1, or 3.0:1, as desired.

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Available abstract

As currently used, the all-equipment reliability test provides unequal risks favoring the producer for short test periods and favoring the consumer for long test periods. This paper describes the empirical derivation of a method for modifying the test to provide equal producer and consumer risks over a range of test lengths. With the formulas provided in the paper, the user can structure an all-equipment test with equals-risks for discrimination ratios of 2.0:1, 1.5:1, or 3.0:1, as desired.

Key concepts: Reliability engineering, Reliability (semiconductor), Test (biology), Range (aeronautics), Test equipment, Computer science, Reliability theory, Test method

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