Problem with convert acceleration to velocity and displacement
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Hi everyone,
I used DAQ to get acceleration, however, when I convert accleration to velocity and displacement (using 'cumtrapz' function) is not OK like the picture below:
Problem is that the velocity and displacement is increase with time. What i need to do make the velocity and displacement stable around 0.
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Answers (2)
Jos (10584)
on 9 Jun 2016
Apparently there is an offset in your acceleration data. You can subtract a running mean
A(k) = ValueFromDaq - mean(A(1:k-1))
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Bora Eryilmaz
on 21 Mar 2024
The new convertVibration function in MATLAB R2024a release of the Predictive Maintenance Toolbox lets you compute baseline-corrected and filtered acceleration, velocity, and displacement signals from vibration measurements using a single sensor output from either an accelerometer, velocity sensor, or displacement sensor.
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