Study on Mechanical Properties of Ribs of Hybrid III 50th Crash Dummy

Liu, Weidong; Liu, Zhixin; Ma, Weijie; Hao, Yongqiang

doi:10.1109/icsgea53208.2021.00042

Cited by 1 publication

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“…They are specially adapted for different situations, for example, THOR for frontal impacts, SID for side impacts, BioRID II for rear impacts, CRABI for child seat tests and Hybrid III for pedestrian accidents. Each of them is designed for a specific crash test at a specific crash velocity [27][28][29]. None of the available models is used for low-speed crash tests and is not used in all types of crash tests [30][31][32].…”

Section: Introductionmentioning

confidence: 99%

Comparison of Volunteers’ Head Displacement with Computer Simulation—Crash Test with Low Speed of 20 km/h

Frej

Jáskiéwicz

2022

Sensors

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Recently, the automotive industry has used simulation programs much more often than experimental research. Computer simulations are more and more often used due to the repeatability of simulation conditions and the possibility of making modifications in simulation objects. Experimental and simulation studies carried out are aimed at developing a model of a simulation dummy adapted to both frontal and rear crash tests, taking into account changes in the moment of resistance in individual joints. The main purpose of the article is to reproduce a real crash test at a low speed of 20 km/h in a simulation program. For this purpose, a series of experimental crash tests with the participation of volunteers was carried out, and then a crash test with a dummy was simulated in the MSC ADAMS program. The experimental studies involved 100 volunteers who were divided into three percentile groups (C5, C50, C95). With the help of force sensors and a high-speed camera, crash tests of volunteers were recorded. The collected data from the force sensors made it possible to map the force in the seat belts. For low-speed crash tests, the displacement and acceleration of individual body parts of the dummy and volunteers can be measured using vision systems. The article identified head displacements of volunteers in the TEMA program based on a video analysis of a crash test film with a frequency of up to 2500 frames per second. The displacement of the simulation dummy’s head in the MSC ADAMS program in the considered crash time interval from 0.0 to 0.4 s for all three percentile groups coincided with the head displacement of the volunteers during the experimental crash test.

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