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An integrated method of rough set, Kano's model and AHP for rating customer requirements' final importance

Published: 01 April 2009 Publication History

Abstract

Owing to the typical vagueness or imprecision of customer requirements (CRs) in product planning house of quality (PPHOQ), determining the final importance of CRs is very difficult. Combining rough set theory, Kano's model, analytical hierarchy process (AHP), and scale method, an integrated method is proposed to obtain the final importance of CRs in PPHOQ. Firstly, by using relative reduction and relative core in rough set theory, a decision system is built to acquire CRs in PPHOQ. Secondly, based on relative positive field in rough set, the decision system is simplified and its corresponding new decision system is established to determine the fundamental importance ratings of CRs. Thirdly, by integrating scale method into AHP approach, calculating formulas of the importance rating of achieving the improvement ratio of satisfaction estimation of a CR are developed. Next, for every CR, based on a combination of its fundamental importance rating, the importance rating of achieving the improvement ratio of its satisfaction estimation, and ''its sales point'', its final importance rating is determined. Finally, a case study is provided to illustrate the effectiveness of the presented method.

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Information & Contributors

Information

Published In

cover image Expert Systems with Applications: An International Journal
Expert Systems with Applications: An International Journal  Volume 36, Issue 3
April, 2009
3177 pages

Publisher

Pergamon Press, Inc.

United States

Publication History

Published: 01 April 2009

Author Tags

  1. Customer requirement analysis
  2. Fuzziness
  3. House of quality
  4. Importance rating
  5. Rough set

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  • (2023)An integrated approach to design and evaluate Chinese-style stoolsJournal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology10.3233/JIFS-23258045:5(8297-8316)Online publication date: 4-Nov-2023
  • (2022)Educational AGV Design by AHP and DFX MethodsHuman-Computer Interaction. User Experience and Behavior10.1007/978-3-031-05412-9_4(50-60)Online publication date: 26-Jun-2022
  • (2021)A BWM-based approach for customer-oriented product development with insufficient information and its application to 5 G smartphone designJournal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology10.3233/JIFS-21079940:6(12443-12458)Online publication date: 1-Jan-2021
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