年次大会講演論文集
Online ISSN : 2433-1325
会議情報
629 蒸気タービンのリスクベースメンテナンスシステム
藤山 一成平澤 泰治齊藤 和宏藤原 敏洋児玉 寛嗣吉瀬 仁志岡崎 光芳
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会議録・要旨集 フリー

p. 263-264

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抄録
A risk-based maintenance system was established to improve economical benefits of maintenance based on probabilistic risk assessment. The system has four subsystems for field data management, for probabilistic life assessment, for probabilistic risk assessment and for maintenance planing. Unreliability functions of operation hours or number of starts were derived from the reliability analysis of field inspection data and the life assessment using statistical material data. The risk was calculated by summing up the recovery costs expected by the unreliability along event trees. The maintenance planning was conducted by comparing operation benefits, preventive maintenance costs and risk costs. This system can be applied to various types of steam turbines by using the unified unreliability functions expressed by life or event governing parameters.
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© 2002 一般社団法人日本機械学会
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