Design Methodology—Parametric Accelerated Life Testing

Seongwoo Woo
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Seongwoo Woo: Ethiopian Technical University

Chapter Chapter 7 in Design of Mechanical Systems, 2023, pp 305-327 from Springer

Abstract: Abstract This chapter proposes parametric accelerated life testing (ALT) as a systematic reliability method for evaluating the design of a mechanical system. It helps identify structural imperfections and reduce fatigue-related failures. If there are structural defects—voids—which cause insufficiency of strength (or stiffness) when the system is subjected to repeated stress, it shall be unsuccessful immediately in its life. An engineer thus might discover the structural flaws and adjust them through parametric ALT at each design stage. It involves (1) a parametric ALT scheme, (2) fatigue design, (3) parametric ALTs with alterations, and (4) an estimate of whether current design(s) achieve the BX life. The application of a quantum-transported time-to-failure prototype and a sample size formulation are also proposed in parametric ALT.

Keywords: Parametric accelerated life testing (ALT); Life-stress model; Sample size equation (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:spr:ssrchp:978-3-031-28938-5_7

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DOI: 10.1007/978-3-031-28938-5_7

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