Failure Modeling of Hydraulic Systemsby Jasem Al-Humoud, Univ of Pittsburgh, Pittsburgh, United States,
Sue-jen Wu, Univ of Pittsburgh, Pittsburgh, United States,
Rafael G. Quimpo, Univ of Pittsburgh, Pittsburgh, United States,
Abstract: Techniques of survival analysis are investigated for modeling the failure of hydraulic systems. The Proportional Hazards Model has the advantage of being able to separate the effects on failure of component deterioration due to aging from the effect of site-specific causes. Another desirable feature is its ability to analyze censored data. The sensitivity of the model parameters to sample size and percent censoring is examined through random sampling for the data base.
Subject Headings: Hydraulic models | Risk management | Failure analysis | Data processing | Hydraulic networks | System analysis | Deterioration
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