Product Page - Joneson, Eric: Case Study: Environmental Measurement and Laboratory Testing Using Both Single and Multi-Axis Measurement Inputs, 2015
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Joneson, Eric: Case Study: Environmental Measurement and Laboratory Testing Using Both Single and Multi-Axis Measurement Inputs, 2015
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 Vehicle vibration input is generated from complex motions that are directly related to road roughness. That motion can be described in terms of “degrees of freedom.” In nature there are six degrees of freedom; three translational and three rotational. Uneven road surfaces cause multiple, uneven inputs to the vehicle suspension and the resulting motion (response) of cargo bed is correspondingly complex. This presentation will highlight studies where measurements (with instrumentation) and recordings (with video equipment) were made of both the vehicle suspension input dynamics, and the responses of cargo that was being transported in the bed of a truck. The presentation will also highlight subsequent testing that was performed on a multi degree of freedom vibration test system, using both single and multi-axis control inputs. Comparisons of the test items’ responses to both single and multi-axis inputs will be shown and discussed.





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Tags: Vibration