EVU XXV 2016 – 05 Use of MEMS sensors for data acquisition in crash tests


Use of MEMS sensors for data acquisition
in crash tests
Dragos Sorin Dima, Dinu Covaciu
Transilvania University of Brasov

Abstract

Crash tests are part of vehicle testing programs that help manufacturers to produce safer cars. Most
crash tests use real vehicles instrumented with many sensors that measures speed, forces or accelerations.
In tests, the human body, be it pedestrian or vehicle occupant, is replaced with a dummy, also
instrumented with sensors. The sensors used today are realized as MEMS (Micro-Electro-Mechanical
Systems), with a technology that allow them to be affordable and versatile.
Some recommendations regarding vehicle instrumentation for impact tests, including data processing,
are included in the SAE J211 standard, where also other descriptions of crash analysis criteria are available.

This paper is based on the recommendations given in literature and crash tests performed at Transilvania
University of Brasov, using dedicated equipment (with MEMS sensors) from well known
suppliers and originally designed.

La lettura di questo articolo è riservata ai soli Soci EVU Italia


AutoreDragos Sorin Dima, Dinu Covaciu Transilvania University of Brasov
Pubblicato il
Tipologia