Reliability of stability control in view of production process

Authors

  • Валентина Ивановна Логанина Penza State University of Architecture and Construction, Street. Titov, 28, Penza, Russia, 440028, Russian Federation
  • Альбина Николаевна Круглова Penza State University of Architecture and Construction, Street. Titov, 28, Penza, Russia, 440028, Russian Federation
  • Ольга Александровна Давыдова Penza State University of Architecture and Construction, Street. Titov, 28, Penza, Russia, 440028, Russian Federation

DOI:

https://doi.org/10.15587/2312-8372.2013.18363

Keywords:

probability, control, reliability, type I error, statistics

Abstract

The data on the effect of measurement error on the probability of decision making on the products acceptance under statistical instability of the production process are given. It is shown that the objectivity of quality control depends on the accuracy of measuring devices, as well as the reproducibility of production process, characterized by the reproducibility indexes. This causes erroneous rejection of some effective items, the actual values of the controlled parameter of which lie in the tolerance zone.

By the example of production of ceramic brick three variants were shown, which are characterized by different values of reproducibility indexes. The probability of errors of the first and second kind was calculated, which indicate the probability of the situation when the controlled item is effective, but it will be erroneously considered to be defective, and when the controlled item is defective, but it can be wrongly considered to be effective. It is established that the probability of the error of the first and second kind increases as the production process reproducibility reduces.

Author Biographies

Валентина Ивановна Логанина, Penza State University of Architecture and Construction, Street. Titov, 28, Penza, Russia, 440028

Doctor of Technical Sciences, Professor

Doctor of Technical Sciences, Professor, Head of Department

Department of quality management and construction technologies

 

Альбина Николаевна Круглова, Penza State University of Architecture and Construction, Street. Titov, 28, Penza, Russia, 440028

Ph.D., associate professor

Department of "Mathematics and Mathematical Modeling"

Ольга Александровна Давыдова, Penza State University of Architecture and Construction, Street. Titov, 28, Penza, Russia, 440028

Candidate of Technical Sciences

Department of quality management and construction technologies

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Published

2013-10-30

How to Cite

Логанина, В. И., Круглова, А. Н., & Давыдова, О. А. (2013). Reliability of stability control in view of production process. Technology Audit and Production Reserves, 5(2(13), 22–24. https://doi.org/10.15587/2312-8372.2013.18363

Issue

Section

Production reserves