Performance Reliability Assessment Method of a Pump Based on Multi-Performance Parameters

A certain type of pump is a product with long life, few failure data and high reliability, as a result, the best way to evaluate the reliability is to use the method based on performance degradation data. The structure of the pump is complex and there are multi-performance parameters. Furthermore, there are correlations among the parameters. If the traditional performance reliability evaluation methods are used to evaluate the reliability, the errors may be so large that it cannot be acceptable. Therefore, the multivariate linear regression method is used to analyze multi-performance parameters and establish regression equation to standardize the performance degradation data. Then, the Wiener process is used to fit and replace the standardized data to realize the performance reliability evaluation of the equipment.