Detail publikace

Mechanical Shock Shape Calculation from Estimated Accelerometer Parameters

KUNZ, J. BENEŠ, P.

Originální název

Mechanical Shock Shape Calculation from Estimated Accelerometer Parameters

Typ

článek ve sborníku ve WoS nebo Scopus

Jazyk

angličtina

Originální abstrakt

Mechanical shocks are often measured by piezoelectric accelerometers. This sensor type causes shock shape changes because it is essentially an under-damped second order dynamic system, therefore it filters sharp edges of shocks and adds damped oscillations. Because of a signal change occurring on a sensor, it is hard to calculate correctly a shock parameters or a shock response spectrum. Yet both are essential parameters for device testing. Extracting a shock shape from measured data is very complicated due to a signal noise and inaccuracies in sensor dynamic parameters. In this paper, we present a new method of calculation of an original shock shape and of a sensor dynamic parameters when a mechanical shock is measured by two accelerometers with different frequency spectrum. New method was tested on simulated data and verified during experiment which provided overall accuracy up to 5 %.

Klíčová slova

mechanical shock, piezoelectric accelerometer, shock response spectrum, parameter estimation

Autoři

KUNZ, J.; BENEŠ, P.

Vydáno

27. 7. 2017

Místo

London

ISBN

978-1-906913-27-4

Kniha

Proceedings of the 24th International Congress on Sound and Vibration

ISSN

2329-3675

Periodikum

International Journal of Acoustic and Vibration

Stát

Spojené státy americké

Strany od

1

Strany do

6

Strany počet

6

BibTex

@inproceedings{BUT138057,
  author="Jan {Kunz} and Petr {Beneš}",
  title="Mechanical Shock Shape Calculation from Estimated Accelerometer Parameters",
  booktitle="Proceedings of the 24th International Congress on Sound and Vibration",
  year="2017",
  journal="International Journal of Acoustic and Vibration",
  pages="1--6",
  address="London",
  isbn="978-1-906913-27-4",
  issn="2329-3675"
}