Sensitivity transverse effect for high impact accelerometer and measurement error caused by assembling

FENG Lei;MA Tie-hua;

Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (20) : 198-203.

PDF(1709 KB)
PDF(1709 KB)
Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (20) : 198-203.
论文

Sensitivity transverse effect for high impact accelerometer and measurement error caused by assembling

  • FENG Lei1,2,MA Tie-hua1,2
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Abstract

It is common that only the accelerometer is calibrated in high impact test, so the measurement error caused by the accelerometer assembling is neglected. First, analyzes the reason transverse effect arise and the instrument overall mechanical model. Use Hopkinson bar to do the impact test on each axis of the accelerometer to study the transverse effect. And then use ANSYS to analyze the instrument structural response under the load of 20000g acceleration. The results show that the instrument mechanical shell vibrates and the measurement error caused by assembling of the accelerometer cannot be neglected.

Key words

high impact test / accelerometer / transverse effect / assembling / measurement error

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FENG Lei;MA Tie-hua;. Sensitivity transverse effect for high impact accelerometer and measurement error caused by assembling[J]. Journal of Vibration and Shock, 2014, 33(20): 198-203
PDF(1709 KB)

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