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 accommodation. Phenomena such as rising obesity rates, aging, and changes in user demography can affect the spatial and the physical requirements of the user population. As a result, products with long lifetimes must be robust to these secular and demographic trends. For example, heavy (e.g., Society of Automotive Engineers (SAE) Class B) trucks are often used for decades. Changes in the size and the shape of truck drivers and in the percentage of female truck drivers have placed unanticipated demands on older trucks and forced designers to predict future needs. This work concludes that for changes related to secular trends (e.g., increasing obesity and stature), products that work well for current populations are the most likely to be robust to the needs of future ones. However, changes in user demographics (i.e., different proportions of race, ethnicity, and gender) are more likely to be problematic.
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August 2011
Research Papers
Considering Secular and Demographic Trends in Designing Long Lifetime Products for Target User Populations
Matthew B. Parkinson
Matthew B. Parkinson
Engineering Design, Mechanical Engineering, and Industrial Engineering
e-mail: parkinson@psu.edu
The Pennsylvania State University
, University Park, PA 16802
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Matthew B. Parkinson
Engineering Design, Mechanical Engineering, and Industrial Engineering
The Pennsylvania State University
, University Park, PA 16802e-mail: parkinson@psu.edu
J. Mech. Des. Aug 2011, 133(8): 081008 (7 pages)
Published Online: August 22, 2011
Article history
Received:
November 16, 2010
Revised:
July 20, 2011
Online:
August 22, 2011
Published:
August 22, 2011
Citation
de Vries, C., Garneau, C. J., Nadadur, G., and Parkinson, M. B. (August 22, 2011). "Considering Secular and Demographic Trends in Designing Long Lifetime Products for Target User Populations." ASME. J. Mech. Des. August 2011; 133(8): 081008. https://doi.org/10.1115/1.4004703
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