A new inherent reliability modeling and analysis method based on imprecise Dirichlet model for machine tool spindle

Zheng Liu (), Xin Liu (), Hong-Zhong Huang (), Pingyu Zhu () and Zhongwei Liang ()
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Zheng Liu: Guangzhou University
Xin Liu: Guangzhou University
Hong-Zhong Huang: University of Electronic Science and Technology of China
Pingyu Zhu: Guangzhou University
Zhongwei Liang: Guangzhou University

Annals of Operations Research, 2022, vol. 311, issue 1, No 20, 295-310

Abstract: Abstract The factors that influence the inherent reliability of machine tool spindle are a mixture of various uncertainties and it leads that the reliability modeling and analysis of machine tool spindle can’t be dealt with by one mathematical theory. Meanwhile, the reliability data of the machine tool spindle for reliability modeling and analysis is often insufficient, and data of different types such as accumulated historical data, expert opinions, simulation data, etc. are used to make up for the lack of data. Thus, the unified quantification of mixed uncertainties and the data characterization of different types are the major premises for reliability modeling and analysis of machine tool spindle. By considering this, this paper makes use of the advantage of imprecise probability theory in quantizing the multiple types of data and the advantage of the Bayes theory in data fusion, and proposes a new inherent reliability modeling and analysis method based on imprecise Dirichlet model. In the proposed method, imprecise probability theory is used to quantify mixed uncertainties, imprecise Dirichlet model is built to characterize the different types of reliability data. After analyzing the inherent reliability variation regularity, an inherent reliability model is built, and the proposed method is verified by the inherent reliability calculation of a certain heavy-duty CNC machine tool’s milling spindle. This study can provide new method, theory and reference for reliability modeling and analysis when there are various uncertainties mixed and multiple data existed.

Keywords: Inherent reliability modeling and analysis; Bayes theory; Imprecise Dirichlet model; Gibbs sampling; Machine tool spindle (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10479-019-03333-9

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