Aktívna norma | Vydaná: 01.05.2021

ASTM E2555-21e1

Standard Practice for Factors and Procedures for Applying the MIL-STD-105 Plans in Life and Reliability Inspection (Includes all amendments and changes 2/2/2022).

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Podrobné informácie

Označenie: ASTM E2555-21e1

Dátum vydania: 01.05.2021

Stránok: 24

Krajina: Americká technická norma

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Anotácia

This practice presents a procedure and related tables of factors for adapting Practice E2234 (equivalent to MIL-STD105) sampling plans to acceptance sampling inspection when the item quality of interest is life length or reliability. Factors are provided for three alternative criteria for lot evaluation: mean life, hazard rate, and reliable life. Inspection of the sample is by attributes with testing truncated at the end of some prearranged period of time. The Weibull distribution, together with the exponential distribution as a special case, is used as the underlying statistical model. The procedure and tables presented in this practice are based on the use of the Weibull distribution in acceptance sampling inspection.

Keywords:
exponential distribution, hazard rate, mean life, MIL-STD-105, reliability, reliable life, Weibull distribution,, ICS Number Code 07.020 (Mathematics)

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