A new tolerance design method for a secondary rechargeable battery using design of experiments with mixture

Jong In Park, Seong Jun Kim, Myong K. Jeong

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Mixing errors in the manufacturing process of a mixture may cause a sizeable variation in the performance of the product, leading to the need for the tolerance design. Even though a variety of procedures have been proposed for the optimal tolerance design based on quality loss and manufacturing costs, there are no available tolerance design methods when mixing errors exist in the manufacturing process of a mixture. In this article, we propose a new tolerance design method for the case where mixing errors are involved in massive manufacturing process of a secondary rechargeable battery. Using an approximation method, we derive quality loss function, reflecting the effects of mixing errors on the product performances. Statistical design of mixture experiments is applied to build empirical models of performances as functions of component proportions in the corresponding quality loss function. A real-life case study on the tolerance design of a secondary battery is provided for the illustration of the proposed method. The results show the efficiency of the proposed method in designing the tolerances to minimize the quality loss and manufacturing costs.

Original languageEnglish (US)
Pages (from-to)543-556
Number of pages14
JournalQuality and Reliability Engineering International
Volume24
Issue number5
DOIs
StatePublished - Aug 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Safety, Risk, Reliability and Quality
  • Management Science and Operations Research

Keywords

  • Design of mixture experiment
  • Ithium-ion battery
  • Mixing errors
  • Tolerance design

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