An accelerated life test model of hydraulic piston pumps based on dependency analysis: Model development

Hydraulic piston pumps are important mechanical power conponents, and accelerated life tests (ALT) of them are widely conducted. After an ALT, ALT model is needed to give the lifetime of hydraulic piston pumps under baseline condition with ALT data. This paper proposes a physics-statistics-based ALT model for hydraulic piston pumps. After studying the structure and failure mechanism of hydraulic piston pumps, this paper uses Gumbel-Hougaard copula function to describe the dependency of the subcomponents in them. Dependence model with Gumbel-Hougaard copula function is built, the survival function of hydraulic piston pumps is derived and the whole ALT model is built.

[1]  J. C. Freche,et al.  Further Investigation of a Relation for Cumulative Fatigue Damage in Bending , 1964 .

[2]  W. Brass,et al.  Mortality Models and Their Uses in Demography , 1971 .

[3]  A. Ciampi,et al.  A general model for testing the proportional hazards and the accelerated failure time hypotheses in the analysis of censored survival data with covariates , 1985 .

[4]  Maxim Finkelstein,et al.  On one class of bivariate distributions , 2003 .

[5]  Christopher L. Stanard.  Reliability Verification, Testing, and Analysis in Engineering Design , 2004, Technometrics.

[6]  Elsayed A. Elsayed,et al.  Modelling accelerated life testing based on mean residual life , 2005, Int. J. Syst. Sci..

[7]  Haitao Liao,et al.  An extended linear hazard regression model with application to time-dependent dielectric breakdown of thermal oxides , 2006 .

[8]  Jian Shi,et al.  Accelerated Life Testing under Variable Synthetic Stresses for Hydraulic Pump , 2006 .

[9]  Jae Hyeong Park,et al.  Accelerated Life Test Model for Life Prediction of Piston Assemblies in Hydraulic Pump and Motor , 2006 .

[10]  Dong Soo Jung,et al.  Development of Accelerated Life Test Method of Hydraulic Pump , 2006 .

[11]  Elsayed A. Elsayed,et al.  Overview of Reliability Testing , 2012, IEEE Transactions on Reliability.

[12]  Maxim Finkelstein,et al.  On dependent items in series in different environments , 2013, Reliab. Eng. Syst. Saf..

[13]  Shaoping Wang,et al.  An accelerated life test model for solid lubricated bearings based on dependence analysis and proportional hazard effect , 2014 .