Development of a shear force measurement dummy for seat comfort

Seong Guk Kim; Chang Yong Ko; Dong Hyun Kim; Ye Eun Song; Tae Uk Kang; Sungwoo Ahn; Dohyung Lim; Han Sung Kim

doi:10.1371/journal.pone.0187918

Development of a shear force measurement dummy for seat comfort

Seong Guk Kim, Chang Yong Ko, Dong Hyun Kim, Ye Eun Song, Tae Uk Kang, Sungwoo Ahn, Dohyung Lim, Han Sung Kim

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Seat comfort is one of the main factors that consumers consider when purchasing a car. In this study, we develop a dummy with a shear-force sensor to evaluate seat comfort. The sensor has dimensions of 25 mm × 25 mm × 26 mm and is made of S45C. Electroless nickel plating is employed to coat its surface in order to prevent corrosion and oxidation. The proposed sensor is validated using a qualified load cell and shows high accuracy and precision (measurement range: −30–30 N; sensitivity: 0.1 N; linear relationship: R = 0.999; transverse sensitivity: <1%). The dummy is manufactured in compliance with the SAE standards (SAE J826) and incorporates shear sensors into its design. We measure the shear force under four driving conditions and at five different speeds using a sedan; results showed that the shear force increases with speed under all driving conditions. In the case of acceleration and deceleration, shear force significantly changes in the lower body of the dummy. During right and left turns, it significantly changes in the upper body of the dummy.

Original language	English
Article number	e0187918
Journal	PloS one
Volume	12
Issue number	11
DOIs	https://doi.org/10.1371/journal.pone.0187918
Publication status	Published - 2017 Nov

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Publisher Copyright:
© 2017 Kim et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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abstract = "Seat comfort is one of the main factors that consumers consider when purchasing a car. In this study, we develop a dummy with a shear-force sensor to evaluate seat comfort. The sensor has dimensions of 25 mm × 25 mm × 26 mm and is made of S45C. Electroless nickel plating is employed to coat its surface in order to prevent corrosion and oxidation. The proposed sensor is validated using a qualified load cell and shows high accuracy and precision (measurement range: −30–30 N; sensitivity: 0.1 N; linear relationship: R = 0.999; transverse sensitivity: <1%). The dummy is manufactured in compliance with the SAE standards (SAE J826) and incorporates shear sensors into its design. We measure the shear force under four driving conditions and at five different speeds using a sedan; results showed that the shear force increases with speed under all driving conditions. In the case of acceleration and deceleration, shear force significantly changes in the lower body of the dummy. During right and left turns, it significantly changes in the upper body of the dummy.",

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AU - Ahn, Sungwoo

AU - Lim, Dohyung

AU - Kim, Han Sung

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Development of a shear force measurement dummy for seat comfort

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