Study on a Pneumatic Automatic-Extendable Crash Energy Absorption System

Li Bo Cao; Hong Bao Wang; Jun Wu; Hui Qin Chen

doi:10.4028/www.scientific.net/AMR.455-456.1509

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 455-456Study on a Pneumatic Automatic-Extendable Crash...

Study on a Pneumatic Automatic-Extendable Crash Energy Absorption System

Abstract:

This paper presents a pneumatic energy absorption system which can extend the energy-absorption beam automatically just before crash. The system consists of thin-shell energy absorption structure, pneumatic equipment and control system. When the control system detectives a crash accident is unavoidable, the pneumatic equipment will extend the energy absorption beam which is fixed in thin-shell energy absorption structure immediately to increase energy absorption space. This system has been equipped on a mass produced bus, and it indicates that the length of energy absorption space can be increased more than 230 mm instantaneously before a crash accident occurs. The time used to extend the energy absorption beam is less than 100ms.

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Periodical:

Advanced Materials Research (Volumes 455-456)

Pages:

1509-1514

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.455-456.1509

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Online since:

January 2012

Authors:

Li Bo Cao, Hong Bao Wang, Jun Wu, Hui Qin Chen

Keywords:

Automatic-Extendable, Bus Safety, Crash Energy Absorption

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