Warranty-based method for establishing reliability improvement targets

Marlin U. Thomas, Jean Philippe P. Richard

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Modern day competition in manufacturing requires producers to rely heavily on continuous quality improvement methods to remain competitive. Reliability being a significant element of quality is the primary means for making design and process improvements. Current reliability allocation methods to establish improvement goals focus on cost reduction but do not necessarily give due consideration to the relative impact of component cost. A method is presented that uses warranty burden rates as a weighting factor to develop component improvement goals. A sample application is given to illustrate application of the method.

Original languageEnglish (US)
Pages (from-to)1049-1058
Number of pages10
JournalIIE Transactions (Institute of Industrial Engineers)
Issue number12
StatePublished - Dec 2006
Externally publishedYes

Bibliographical note

Funding Information:
Marlin U. Thomas is Dean, Graduate School of Engineering and Management at the Air Force Institute of Technology, and past Professor and Head of the School of Industrial Engineering at Purdue University. He received his BSE at the University of Michigan-Dearborn, and MSE and PhD at the University of Michigan. He has held other academic appointments at Lehigh University, Cleveland State University, University of Missouri-Columbia, University of Wisconsin-Milwaukee, and the Naval Postgraduate School. He has also served as a Program Director for the National Science Foundation; Manager, Reliability and Warranty Analysis, Chrysler Corporation; and Development Engineer, Owens-Illinois, Inc. He is past National Secretary of ORSA, Chairman of the Council of Industrial Engineering Academic Department Heads, and IIE Past-President and member of the Board of Trustees. His research interests are in operations research with applications in reliability and contingency logistics. He is a Fellow of IIE, ASQ, and INFORMS. He is also a Captain, Civil Engineer Corps, U.S. Navy Reserve (Retired).


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