4.7 Article

Functional health prognosis approach of multi-station manufacturing system considering coupling operational factors

Journal

RELIABILITY ENGINEERING & SYSTEM SAFETY
Volume 219, Issue -, Pages -

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.ress.2021.108211

Keywords

Manufacturing system; Functional health prognosis; Operational factors; Coupling effect; Integrated modeling

Funding

  1. National Natural Science Foundation of China [72071007, 71971181]

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This paper presents a functional health state prognosis approach for manufacturing system considering coupling operational factors. Models are constructed to analyze the coupling effect between operational factors. The effectiveness of the proposed method is illustrated through a case study.
The core function of the manufacturing system is to ensure the quality and quantity of output products. Therefore, the performance of the manufacturing function can effectively evaluate the health state of the manufacturing system. However, the complex coupling effects caused by the correlation and interaction between multiple operational factors in the running manufacturing system will significantly affect the performance of manufacturing function, which has not been paid due attention. Therefore, a systematic functional health state prognosis approach for the manufacturing system considering coupling operational factors is given in this paper. First, based on functional performance analysis, the relationship among main coupling operational factors including manufacturing machine, production task, and produced workpiece is expounded, and the connotation of the functional health state is defined. Second, three quantitative models of the coupling effect between operational factors are constructed. Third, an integrated functional health prognosis model for the manufacturing system is established. Finally, a prognosis example of a ferrite phase shifting unit manufacturing system is provided to illustrate the effectiveness of the proposed method.

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