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**Harvard**

Johannesson, P., Bergman, B., Svensson, T., Arvidsson, M., Lönnqvist, Å., Barone, S. och de Maré, J. (2013) *A Robustness Approach to Reliability*.

** BibTeX **

@article{

Johannesson2013,

author={Johannesson, Pär and Bergman, Bo and Svensson, Thomas and Arvidsson, Martin and Lönnqvist, Åke and Barone, Stefano and de Maré, Jacques},

title={A Robustness Approach to Reliability},

journal={Quality and Reliability Engineering International},

issn={0748-8017},

volume={29},

issue={1},

pages={17–32},

abstract={Reliability of products is here regarded with respect to failure avoidance rather than probability of failure. To avoid failures,
we emphasize variation and suggest some powerful tools for handling failures due to variation. Thus, instead of technical
calculation of probabilities from data that usually are too weak for correct results, we emphasize the statistical thinking that
puts the designers focus on the critical product functions.
Making the design insensitive to unavoidable variation is called robust design and is handled by (i) identification and
classification of variation, (ii) design of experiments to find robust solutions, and (iii) statistically based estimations of proper
safety margins.
Extensions of the classical failure mode and effect analysis (FMEA) are presented. The first extension consists of identifying
failure modes caused by variation in the traditional bottom–up FMEA analysis. The second variation mode and effect analysis
(VMEA) is a top–down analysis, taking the product characteristics as a starting point and analyzing how sensitive these
characteristics are to variation.
In cases when there is sufficient detailed information of potential failure causes, the VMEA can be applied in its most
advanced mode, the probabilistic VMEA. Variation is then measured as statistical standard deviations, and sensitivities are
measured as partial derivatives. This method gives the opportunity to dimension tolerances and safety margins to avoid
failures caused by both unavoidable variation and lack of knowledge regarding failure processes.},

year={2013},

keywords={reliability prediction; variation; uncertainty; P-diagram; safety factors},

}

** RefWorks **

RT Journal Article

SR Electronic

ID 157985

A1 Johannesson, Pär

A1 Bergman, Bo

A1 Svensson, Thomas

A1 Arvidsson, Martin

A1 Lönnqvist, Åke

A1 Barone, Stefano

A1 de Maré, Jacques

T1 A Robustness Approach to Reliability

YR 2013

JF Quality and Reliability Engineering International

SN 0748-8017

VO 29

IS 1

AB Reliability of products is here regarded with respect to failure avoidance rather than probability of failure. To avoid failures,
we emphasize variation and suggest some powerful tools for handling failures due to variation. Thus, instead of technical
calculation of probabilities from data that usually are too weak for correct results, we emphasize the statistical thinking that
puts the designers focus on the critical product functions.
Making the design insensitive to unavoidable variation is called robust design and is handled by (i) identification and
classification of variation, (ii) design of experiments to find robust solutions, and (iii) statistically based estimations of proper
safety margins.
Extensions of the classical failure mode and effect analysis (FMEA) are presented. The first extension consists of identifying
failure modes caused by variation in the traditional bottom–up FMEA analysis. The second variation mode and effect analysis
(VMEA) is a top–down analysis, taking the product characteristics as a starting point and analyzing how sensitive these
characteristics are to variation.
In cases when there is sufficient detailed information of potential failure causes, the VMEA can be applied in its most
advanced mode, the probabilistic VMEA. Variation is then measured as statistical standard deviations, and sensitivities are
measured as partial derivatives. This method gives the opportunity to dimension tolerances and safety margins to avoid
failures caused by both unavoidable variation and lack of knowledge regarding failure processes.

LA eng

DO 10.1002/qre.1294

LK http://dx.doi.org/10.1002/qre.1294

OL 30