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Visitor II
August 26, 2021
Solved

How do you convert IIS3DWB accelerometer data to vibration values? Is there an algorithm that has to be part of the c code?

  • August 26, 2021
  • 3 replies
  • 1581 views

Is IIS3DWB data already vibration information, or is there some algorithm needed to convert to vibration data? https://www.st.com/en/mems-and-sensors/iis3dwb.html

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    Best answer by TDK

    Vibrometers and accelerometers both measure acceleration. No conversion is necessary.

    3 replies

    TDKAnswer
    Super User
    August 26, 2021

    Vibrometers and accelerometers both measure acceleration. No conversion is necessary.

    MT.6Author
    Visitor II
    August 26, 2021

    Thanks TDK. How do people chart out frequency vs g? Trying to see how to get the frequency component. I have heard of people doing FFT, but, not sure how that works.

    Super User
    August 26, 2021
    FFT can be used to show frequency information. There is a wealth of information available if you search for it.
    https://blog.endaq.com/vibration-analysis-fft-psd-and-spectrogram
    MT.6Author
    Visitor II
    August 26, 2021

    Thanks TDK, as you can see there is some conversion work that has to be done on accelerometer data to get vibration information .... I will look into c implementation

    Super User
    August 26, 2021
    Suppose that depends what you mean by vibration information. Clearly, if you want the FFT, you need to perform the FFT.