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Bootstrap Analysis of the Production Processes Capability Assessment

Q&R Polska, Sp. z o.o., 20-806 Lublin, Ploand
Faculty of Production Engineering, University of Life Sciences in Lublin, 28 Głęboka Street, 20-612 Lublin, Poland
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(24), 5360;
Received: 19 November 2019 / Revised: 5 December 2019 / Accepted: 6 December 2019 / Published: 8 December 2019
(This article belongs to the Special Issue Design and Management of Manufacturing Systems)
The high customer requirements for appropriate product quality pose a challenge for manufacturers and suppliers and also cause them many problems related to ensuring a sufficiently high product quality throughout the entire production cycle. For the above reasons, it is so important to assess the capability of monitored processes, and shaping, analyzing and controlling the capability of processes is an important aspect of managing an organization that uses a process approach to management. The use of an appropriate method to analyze the course of production processes is a necessity imposed by quality standards, e.g., ISO 9001: 2015. That is why it is so important to propose a quick and low-cost method of assessing production processes. For this purpose, a method of assessing the capability of the manufacturing process using bootstrap analysis was used. The article presents the analysis of inherent properties of the production process based on the results of measurements of the characteristic features of the process or the characteristics of the manufactured products (process variables) for the shafts with grooves. The main goals of the work are to develop a procedure for determining process capability based on the bootstrap method, including criteria for the classification of production process capability; to develop the criterion values for confidence intervals of production process capability; as well as to demonstrate the practical application of bootstrap analysis in manufacturing. Moreover, comparative analyses of process capabilities using bootstrap and classic methods were carried out. They confirm both the narrowing of the confidence interval when using the bootstrap method and the possibility of determining a better estimator of the lower limit of this range compared to the results obtained using the classic method. The tests carried out for the unit production of shafts with grooves showed that the analysis of the process capability for measuring tests n = 10 is possible. Finally, new criterion values for the assessment of process capability for the bootstrap method were proposed. The model for assessing the capability of production processes presented in the paper was implemented in low-volume production in the defense industry. View Full-Text
Keywords: production process capability; product quality; monitoring of production processes; process variables production process capability; product quality; monitoring of production processes; process variables
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MDPI and ACS Style

Stoma, P.; Stoma, M.; Dudziak, A.; Caban, J. Bootstrap Analysis of the Production Processes Capability Assessment. Appl. Sci. 2019, 9, 5360.

AMA Style

Stoma P, Stoma M, Dudziak A, Caban J. Bootstrap Analysis of the Production Processes Capability Assessment. Applied Sciences. 2019; 9(24):5360.

Chicago/Turabian Style

Stoma, Patrycjusz, Monika Stoma, Agnieszka Dudziak, and Jacek Caban. 2019. "Bootstrap Analysis of the Production Processes Capability Assessment" Applied Sciences 9, no. 24: 5360.

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