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Article

A Sequential Inspection Procedure for Fault Detection in Multistage Manufacturing Processes

Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat, s/n, 12071 Castellón de la Plana, Spain
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Academic Editor: Carlos Silvestre
Sensors 2021, 21(22), 7524; https://doi.org/10.3390/s21227524
Received: 13 October 2021 / Revised: 5 November 2021 / Accepted: 8 November 2021 / Published: 12 November 2021
Fault diagnosis in multistage manufacturing processes (MMPs) is a challenging task where most of the research presented in the literature considers a predefined inspection scheme to identify the sources of variation and make the process diagnosable. In this paper, a sequential inspection procedure to detect the process fault based on a sequential testing algorithm and a minimum monitoring system is proposed. After the monitoring system detects that the process is out of statistical control, the features to be inspected (end of line or in process measurements) are defined sequentially according to the expected information gain of each potential inspection measurement. A case study is analyzed to prove the benefits of this approach with respect to a predefined inspection scheme and a randomized sequential inspection considering both the use and non-use of fault probabilities from historical maintenance data. View Full-Text
Keywords: sequential inspection; fault detection; multistage process; information gain; Bayesian inference sequential inspection; fault detection; multistage process; information gain; Bayesian inference
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MDPI and ACS Style

Moliner-Heredia, R.; Bruscas-Bellido, G.M.; Abellán-Nebot, J.V.; Peñarrocha-Alós, I. A Sequential Inspection Procedure for Fault Detection in Multistage Manufacturing Processes. Sensors 2021, 21, 7524. https://doi.org/10.3390/s21227524

AMA Style

Moliner-Heredia R, Bruscas-Bellido GM, Abellán-Nebot JV, Peñarrocha-Alós I. A Sequential Inspection Procedure for Fault Detection in Multistage Manufacturing Processes. Sensors. 2021; 21(22):7524. https://doi.org/10.3390/s21227524

Chicago/Turabian Style

Moliner-Heredia, Rubén, Gracia M. Bruscas-Bellido, José V. Abellán-Nebot, and Ignacio Peñarrocha-Alós. 2021. "A Sequential Inspection Procedure for Fault Detection in Multistage Manufacturing Processes" Sensors 21, no. 22: 7524. https://doi.org/10.3390/s21227524

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