A fuzzy ordinary regression method for modeling customer preference in tea maker design

Kit Yan Chan, Chun Kit Kwong, M. C. Law

Research output: Journal article publicationJournal articleAcademic researchpeer-review

12 Citations (Scopus)


Faced with fierce competition in marketplaces, manufacturers need to determine the appropriate settings of engineering characteristics of the new products so that the best customer preferences of the products can be obtained. To achieve this, functional models relating customer preferences to engineering characteristics need to be developed. As information regarding functional relationships between customer preferences are generally subjective or heuristic in nature, development of the customer preference models involve two uncertainties, namely fuzziness and randomness. Existing approaches use only fuzzy-based technologies to address the uncertainty caused by fuzziness. They are not designed to address the randomness of the observed data which is caused by a limited knowledge of the variability of influences between customer preferences and engineering characteristics. In this article, a fuzzy ordinary regression method is proposed to develop the customer preference models which are capable of addressing the two uncertainties of crispness and fuzziness of the customer preferences. A case study of a tea maker design which involves both uncertainties is used to demonstrate the effectiveness of the proposed method.
Original languageEnglish
Pages (from-to)147-154
Number of pages8
Publication statusPublished - 22 Oct 2014


  • Customer preference
  • Fuzzy modeling
  • Fuzzy regression
  • New product development
  • Tea makers

ASJC Scopus subject areas

  • Computer Science Applications
  • Cognitive Neuroscience
  • Artificial Intelligence


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