Estimation of Measurement Upper Limit in Deriving the Vibration Environmental Test Conditions by Bootstrap Method

Jian Jun Zhang; Jian Yong Sun; Ming Li; Hai Juan Chang

doi:10.4028/www.scientific.net/AMR.566.11

Paper Titles

Preface

Design of Driving Circuit of GDI Injector and Experiment Verification
p.3

Investigation into Influence of Cutting Fluid and Liquid Nitrogen on Machined Surface Residual Stress
p.7

Estimation of Measurement Upper Limit in Deriving the Vibration Environmental Test Conditions by Bootstrap Method
p.11

Observation of Magnetic Fields in Medium Carbon Low Alloy Steel JIS S45C under Point Contact Loading
p.15

Statical Performance Analysis of the Reconfigurable Machine Tool Structure by Boundnary Element Method
p.22

Based on the Calculation and Analysis of the Separator of the Strength of the Cast Iron Base
p.28

Based on PLC and GM's Two-Speed Elevator Transducer System Design
p.32

Influence of the Rudder Time Constant on the Ship Motion
p.40

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 566Estimation of Measurement Upper Limit in Deriving...

Estimation of Measurement Upper Limit in Deriving the Vibration Environmental Test Conditions by Bootstrap Method

Abstract:

For deriving the vibration environmental test conditions of materiels in the limited field measured data, a bootstrap method is firstly employed to evaluate the upper tolerance limit of the vibration power spectral density (PSD). Firstly for the simulation data from the normal distribution, the bias-corrected bootstrap method and the bootstrap-t method are validated to attain the appropriate upper limits for the small sample data through comparing the evaluations with the true values. Secondly for the 10 and 90 flight measurements of some aircraft, the upper tolerance limits of vibration PSD have been estimated by the above method and the traditional computation methods of MIL-STD-810F and GJB126. The result shows the bootstrap method fits the actual vibration environment better than other two methods and it has a wide application in the determination of vibration test conditions based on the small field measure data.

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Periodical:

Advanced Materials Research (Volume 566)

Pages:

11-14

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.566.11

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Online since:

September 2012

Authors:

Jian Jun Zhang, Jian Yong Sun, Ming Li, Hai Juan Chang

Keywords:

Bootstrap Method, Estimation of Upper Limit, Small Sample, Vibration Environmental Condition

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