Multivariate statistical and computational intelligence techniques for quality monitoring of production systems

Tibor Kulcsár, Barbara Farsang, Sándor Németh, János Abonyi

Research output: Contribution to journalArticle

1 Citation (Scopus)


The ISO 9001:2008 quality management standard states that organizations shall plan and implement monitoring, measurement, analysis and improvement processes to demonstrate conformity to product requirements. According to the standard, detailed analysis of data is required for this purpose. The analysis of data should also provide information related to characteristics and trends of processes and products, including opportunities for preventive action. The preliminary aim of this chapter is to show how intelligent techniques can be used to design data–driven tools that are able to support the organization to continuously improve the effectiveness of their production according to the Plan—Do—Check—Act (PDCA) methodology. The chapter focuses on the application of data mining and multivariate statistical tools for process monitoring and quality control. Classical multivariate tools such as PLS and PCA are presented along with their nonlinear variants. Special attention is given to software sensors used to estimate product quality. Practical application examples taken from chemical and oil and gas industries illustrate the applicability of the discussed techniques.

Original languageEnglish
Pages (from-to)237-263
Number of pages27
JournalIntelligent Systems Reference Library
Publication statusPublished - Jan 1 2016


  • Computational intelligence
  • Multivariate statistics
  • PDCA
  • Production systems
  • Quality monitoring

ASJC Scopus subject areas

  • Computer Science(all)
  • Information Systems and Management
  • Library and Information Sciences

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