Tests for airbag vent opening control modes

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Journal of Vibration and Shock ›› 2019, Vol. 38 ›› Issue (13) : 202-207.

LI Jianyang1, WANG Hongyan2, SONG Shipeng1， HONG Huangjie3

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Abstract

Vented airbags vent opening control modes can generally be divided into two types of pressure control and acceleration one. Here, in order to study effects of vent opening control modes on airbags buffer features, these two control types of airbags were designed, and the recovery load-airbag system indoor drop test platform was built. Drop tests were conducted for two types of airbags. The test results showed that the designed acceleration switches work reliably, acceleration controlled airbags realizes vents in two sides being opened simultaneously; when dropping with inclination, the landing stability of acceleration controlled airbag is better; with increase in the threshold of acceleration switch of acceleration controlled airbag, the later the airbag vent opening, the more energy the airbag absorbs before its vent opening, these cause airbag internal pressure and impact acceleration to increase.

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vented airbag / control mode of vent opening / experimental study

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LI Jianyang1, WANG Hongyan2, SONG Shipeng1， HONG Huangjie3. Tests for airbag vent opening control modes[J]. Journal of Vibration and Shock, 2019, 38(13): 202-207

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