Um sistema de aquisição de dados de baixo custo para medição de choque (A low cost data acquisition system for measuring shock)

Everaldo de Barros (everaldoeb@iae.cta.br)1, Ailson Campos Nogueira (ailsonanc@iae.cta.br)1, Fábio Renato Silveira (fabiofrs@iae.cta.br)1, Leandro Ribeiro de Camargo (leandro.lrc@live.com)2, Mauro Hugo Mathias (mathias@feg.unesp.br)3


1Instituto de Aeronáutica e Espaço
2Petróleo Brasileiro S.A.
3Universidade Estadual Paulista

This paper appears in: Revista IEEE América Latina

Publication Date: May 2016
Volume: 14,   Issue: 5 
ISSN: 1548-0992


Abstract:
One of the most common environment tests is the shock testing, widely used to test the mechanical integrity and to ensure the quality and reliability of products. During shock tests, data acquisition systems are normally required for measuring acceleration time histories and processing the shock response spectrum, or SRS. This paper presents a data acquisition and analysis system based on a computer sound card for measuring shock and characterizing the shock severity by its SRS. Since the tasks of shock data acquisition frequently require expensive hardware and software, this low cost system represents a very accurate and inexpensive solution for shock characterization.

Index Terms:
Shock, Shock Response Spectrum, Computer Sound Card, Data Acquisition System   


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