  In current research, laser Doppler vibrometer (LDV) as a new diagnostic tool
is utilized for non-destructive testing of the automotive equipment. LDV
technique is working based on measurement of the Doppler shift of a moving
object in an interference set-up. The effects of different noises are
considered and eliminated from data analysis. Here, the performance of LDV
technique is compared with a reference accelerometer device. Furthermore, a
simulation by Matlab Simulink is added to the analysis which confirms the
results of the experimental data. Results demonstrated that the laser Doppler
vibrometer can measure excellently the frequencies of different automotive
components for employing in industry. Therefore, it is proposed that LDV
technique can be substituted with other traditional non-destructive testing
methods.
