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9 Characterization Tests for the Advanced Combat Helmet and Future Helmets
Pages 64-69

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From page 64...
... Moosmann's presentation noted that the following helmet offsets and helmet protection; and conducting gauge questions will be addressed as part of the above characterrepeatability and reproducibility (R&R) studies to under ization testing: stand the different sources of variation in the test process and possibly providing opportunities to reduce some of the 1.
From page 65...
... consists of a designed "full factorial experiment" with three factors: The presentation requested that "the committee review helmet size (Small, Medium, Large, Extra Large) , conditionand comment on the scope of characterization testing relative ing environment (ambient, hot, and cold temperatures, and to the benefit of the information obtained and the resources seawater)
From page 66...
... • Evaluate the aging characteristics of the helmets to A comprehensive examination of threat profiles determine if there is any meaningful degradation of would involve considerable additional resources and the protection performance of the helmets over time. consist of much more than characterization studies.
From page 67...
... When combat helmets with new complete penetration is obtained. designs are introduced, the Department of Defense should • After obtaining at least one partial and one complete conduct appropriate characterization studies and cost-benefit penetration, the velocity is increased or decreased in analyses to evaluate the design changes before making deci- increments of 50 ft/s.
From page 68...
... Typical choices continuous improvement, developmental testing results from for the curve are logistic or normal distributions, leading to helmet design should be used to allow better calibration of logit and probit curves, respectively. This approach allows current helmet capability and to help define more meaningful for estimation of any quantile of the velocity-penetration thresholds for helmet protection.
From page 69...
... In the absence of formally specified requirements, matching or surpassing current production capability is a common 9.7  REFERENCES alternative for capability analysis methods. Characterizing product performance is an established practice in industry Bothe, D.R.


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