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Study on Processing Method and Engineering Application of Censored Data

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Abstract

The method and effects of extracting information from different fatigue test data were analyzed and compared according to the test data in engineering in this paper. By probability statistical analysis, the life data of ignored censored data were collected and analyzed to fit the distribution types and P–S–N curves. Otherwise, the life data including censored data were estimated by maximum likelihood estimation and K–S test. It is shown that the practice of simply ignoring censored data will underestimate the fatigue performance of the test sample in different degrees after analysis and comparison of the two results. Therefore, according to different types of test data, the influence of censored data should be considered fully in order to select the appropriate treatment method. Censored data in engineering usually should not be ignored.

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Authors and Affiliations

  1. School of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou, 121001, China

    Yuanyuan Ma

  2. School of Mechanical Engineering and Automation, Northeastern University, Shenyang, 110819, China

    Liyang Xie

Authors
  1. Yuanyuan Ma
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  2. Liyang Xie
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Correspondence to Yuanyuan Ma.

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Ma, Y., Xie, L. Study on Processing Method and Engineering Application of Censored Data. J Fail. Anal. and Preven. 17, 354–362 (2017). https://doi.org/10.1007/s11668-017-0251-1

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  • DOI: https://doi.org/10.1007/s11668-017-0251-1

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