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- Klefsjö, BengtLuleå tekniska universitet,Industriell Ekonomi (author)
Testing against a change in the NBUE property
- Article/chapterEnglish1989
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- Elsevier BV,1989
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:ltu-2837
- https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-2837URI
- https://doi.org/10.1016/0026-2714(89)90346-6DOI
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- Language:English
- Summary in:English
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- Godkänd; 1989; 20070124 (keni)
- A life distribution F with survival function F=1-F, finite mean μ and mean residual life e(t) is said to be NBUE (NWUE) if e(t)⩽(⩾)μ for t⩾0. This NBUE (NWUE) property can equivalently be characterized by the fact that φ(u)⩽(⩾)u for 0⩽u⩽1, where φ(u) is the scaled TTT-transform of F. A generalization of the NBUE and NWUE properties is that there is a value of s such that φ(u)⩾u for 0⩽u⩽p and φ(u)⩽u for p⩽u⩽1, or vice versa. This means a trend change in the NBUE property. This generalized aging property is called the NBUE-NWUE property. In this paper the authors present and study a test statistic intended for testing exponentiality (i.e. φ(u)=u for 0⩽u⩽1) against this NBUE-NWUE property. The asymptotic normality of the test statistic, suitably normalized, is established and a simulation study is presented (20 refs.)
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik Tillförlitlighets- och kvalitetsteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Reliability and Maintenance hsv//eng
- Kvalitetsteknik
- Quality Technology and Management
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- Luleå tekniska universitetIndustriell Ekonomi (creator_code:org_t)
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- In:Microelectronics and reliability: Elsevier BV29:4, s. 559-5700026-27141872-941X
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