Reliable Inference for the Maximum Pit Depth within Pitting Colonies on Long Pipelines

A. T. Martinsek

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Reliable Inference for the Maximum Pit Depth within Pitting Colonies on Long Pipelines

机译：Reliable Inference for the Maximum Pit Depth within Pitting Colonies on Long Pipelines

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摘要

This paper proposes a model for statistical dependence between pit depths when monitoring a pipeline for corrosion. The model is flexible in terms of the shape and endpoint behavior of the distribution of the pit depths, and in terms of the degree of dependence between observations. Illustrative examples are provided for several choices of model parameters. Explicit confidence bounds for the maximum pit depth are derived; a sequential sampling plan for obtaining sufficiently precise estimates is proposed; and procedures for testing whether the maximum pit depth is above or below a certain threshold are given.

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来源
《Corrosion: The Journal of Science and Engineering》 |2003年第12期|1058-1063|共6页
作者
A. T. Martinsek;
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作者单位

University of Illinois at Urbana-Champaign, Department of Statistics, 101 Illini Hall, 725 S. Wright St., Champaign, IL 61820;

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原文格式 PDF
正文语种英语
中图分类金属腐蚀与保护、金属表面处理;
关键词
confidence interval; pipelines; pitting; sequential sampling; statistical dependence;

Reliable Inference for the Maximum Pit Depth within Pitting Colonies on Long Pipelines

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