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Double-crossed step-stress accelerated life testing for pneumatic cylinder

  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper discusses the principle and method of Double-Crossed Step-Down-Stress Accelerated Life Testing (DCSDS-ALT) for pneumatic cylinders. As to pneumatic cylinder, the step-down-stress testing failure physics can be described as cumulative degradation model. Temperature and frequency are normally chosen as the test stresses. The failure data obtained under DCSDS-ALT testing steps can be converted to those under constant stress testing. And the reliability specifications can be derived accordingly. To compare Double-stress ALTs with traditional constant stress testing shows Double-stress ALTs can meet the accuracy demand. The 5% of average lifetime estimation error and 1.85% of the characteristic lifetime error are very satisfying for pneumatic industrial lifetime prediction.

Original languageEnglish
Title of host publicationFrontiers of Manufacturing and Design Science II
Pages1274-1278
Number of pages5
DOIs
StatePublished - 2012
Event2nd International Conference on Frontiers of Manufacturing and Design Science, ICFMD 2011 - Taichung, Taiwan, Province of China
Duration: 11 Dec 201113 Dec 2011

Publication series

NameApplied Mechanics and Materials
Volume121-126
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference2nd International Conference on Frontiers of Manufacturing and Design Science, ICFMD 2011
Country/TerritoryTaiwan, Province of China
CityTaichung
Period11/12/1113/12/11

Keywords

  • Accelerated life testing
  • Double-crossed-step-stress
  • Pneumatic cylinder
  • Weibull distribution

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