A Comparison Test of Transmissibility Response from Human Occupant and Anthropodynamic Dummy

Paper #:
  • 980655

Published:
  • 1998-02-23
Citation:
Gu, Y., "A Comparison Test of Transmissibility Response from Human Occupant and Anthropodynamic Dummy," SAE Technical Paper 980655, 1998, https://doi.org/10.4271/980655.
Author(s):
Pages:
4
Abstract:
In order to specify the human dynamic comfort of seat vibration, a lot of work has been conducted in laboratory research. From the seating manufacturer's perspective, the author proposed a test method to measure the seat ride comfort by using a spring-mass dummy which was designed to match the human response in low frequency in vertical direction. A hydraulic table was employed as the excitation source to the occupied seat. Two seat samples, both measured with human occupants before, were used for this study. For simplicity and comparison, a sweep sine signal in vertical direction was used as the excitation signal. The transmissibility results measured of the dummy loaded seat were compared to those of human occupants. In this paper, a continuing effort focused on correlating the vibration response from dummy occupied seat to that from human occupied seat. A consistent relation was shown between the two measurements. The results provide a promising analysis tool that can be very helpful in seat prototype design to improve ride comfort.
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