Estimation of Field Life Distribution of Automotive Components and Aggregates
Estimation of Field Life Distribution of Automotive Components and Aggregates
- New search for: Dharmadhikari, A. D.
- New search for: Panse, S. M.
- New search for: Dharmadhikari, A. D.
- New search for: Panse, S. M.
In this paper a procedure has been established to estimate the field life of a component using the data of accelerated life tests on old and new designs of the component, and the field failure data on the old design of the component. For this, the correlation factors have been established between the accelerated life data and the field life data of the old design and these correlation factors have been applied to the accelerated life data of the new design to estimate the life distribution of the new design in the field. The formula for the correlation factor is based on the assumption that all the life data distributions under investigation have increasing failure rates (IFR). A case study on engine timing belt has been presented as an example at the end to validate this work. Such a procedure has been found to be useful to introduce the component in the field without any field trials.
Document information
Estimation of Field Life Distribution of Automotive Components and Aggregates
Sae Technical Papers
SIAT 2005 ; 2005
2005-01-19
Conference paper
English
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