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Design Methodology—Parametric Accelerated Life Testing

In: Design of Mechanical Systems

Author

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  • Seongwoo Woo

    (Ethiopian Technical University)

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.

Suggested Citation

  • Seongwoo Woo, 2023. "Design Methodology—Parametric Accelerated Life Testing," Springer Series in Reliability Engineering, in: Design of Mechanical Systems, chapter 0, pages 305-327, Springer.
    • Handle: RePEc:spr:ssrchp:978-3-031-28938-5_7
    DOI: 10.1007/978-3-031-28938-5_7
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