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Requirement decomposition and weights allocation of complex mechanism scheme design based on basic element

  • Xiangyang Jin*
  • , Tichun Wang
  • , Shisheng Zhong
  • , Liangfeng Bu
  • *Corresponding author for this work
  • Harbin University of Commerce
  • Harbin Institute of Technology
  • Nanjing Research Institute of Electronics Technology
  • Harbin Electric Machinery Company Limited

Research output: Contribution to journalArticlepeer-review

Abstract

The customer requirements of complex mechanism scheme design were described formally by basic element. According to basic element implication, a requirement model of customer requirements based on the basic elements was presented. For the incomplete and the restricted information of requirement characteristics, a computing method of multi-attribute weights allocation based on grey relational analysis was proposed. Firstly, the importance rating of the requirement characteristics was got, then by regarding each requirement characteristic as judgement code, the relational coefficients and a corresponding relational matrix was obtained. Based on these, the weights of each design attribute were achieved. Finally, an example of large-scale hydraulic turbine scheme design was provided to validate and prove its efficiency and feasibility.

Original languageEnglish
Pages (from-to)2022-2027
Number of pages6
JournalZhongguo Jixie Gongcheng/China Mechanical Engineering
Volume20
Issue number17
StatePublished - 10 Sep 2009
Externally publishedYes

Keywords

  • Basic element
  • Grey relational analysis
  • Multi-attribute decision making
  • Requirement decomposition
  • Scheme design
  • Weight allocation

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