Author Archives: chris

Considering secular and demographic trends in designing long lifetime products for target user populations

The objective of this study is to investigate the effects of design decisions on the accommodation afforded by long lifetime products over extended periods of time–and to then make recommendations to improve performance with respect to changes in the user population.

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Considering race and gender distributions of the target user population in the multivariate design of vehicle seating

The results obtained through univariate analysis are compared with those of multivariate analysis, demonstrating that applying univariate analysis to a multivariate problem leads to misleading results and poor estimates of accommodation. In contrast, multivariate analysis provides the opportunity for tradeoff studies as many parameter combinations can achieve the desired accommodation level.

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