Measurement methods of mass property parameters of crash test dummies

Kai Wang; Hongyang Qi; Yongqiang Wu

doi:10.1117/12.3055488

12 December 2024 Measurement methods of mass property parameters of crash test dummies

Kai Wang, Hongyang Qi, Yongqiang Wu

Proceedings Volume 13439, Fourth International Conference on Testing Technology and Automation Engineering (TTAE 2024); 1343911 (2024) https://doi.org/10.1117/12.3055488
Event: Fourth International Conference on Testing Technology and Automation Engineering (TTAE 2024), 2024, Xiamen, China

Abstract

Crash test dummies are important instruments for measuring the passive safety of automobiles. The changes in their mass property parameters could lead to changes in their kinematics during the test and eventually affect the accuracy of the test results. To solve the problem that mass characteristic parameters of collision dummies can not be measured, this study investigates the principles of center-of-mass measurements, and also designs measurement devices that can measure the mass property parameters of each part of the crash dummy assembly based on this test principle. Moreover, it analyzes the systematic error and random error of the devices, and conducts a measurement analysis of the mass property parameters of the head assembly of the crash test dummy. Such devices can measure the mass property parameters of the crash test dummy assembly with a small error, which establishes the test conditions for the development of Chinese crash test dummies.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Kai Wang, Hongyang Qi, and Yongqiang Wu "Measurement methods of mass property parameters of crash test dummies", Proc. SPIE 13439, Fourth International Conference on Testing Technology and Automation Engineering (TTAE 2024), 1343911 (12 December 2024); https://doi.org/10.1117/12.3055488

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KEYWORDS

Head

Error analysis

Measurement devices

Sensors

Skull

Safety

Time metrology

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