Damping ratio computing from a MATLAB plot
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Hi Altruists,
I have a MATLAB plot which I exported from Digsilent software and I am willing to calculate the damping ratio and natural frequency. What are the commands for that, may I know?
Regards,
Kamrul Hasan![untitled.jpg](https://www.mathworks.com/matlabcentral/answers/uploaded_files/260153/untitled.jpeg)
![untitled.jpg](https://www.mathworks.com/matlabcentral/answers/uploaded_files/260153/untitled.jpeg)
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sudhir ravipudi
2020 年 7 月 25 日
Use prony analysis using prony Toolbox. That will give your requirements.
Regards,
R Sudhir
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KSSV
2020 年 1 月 7 日
For natural frequency you need to look into fft.
Damping ratio can be calculated using logarithamic decrement approach. https://en.wikipedia.org/wiki/Logarithmic_decrement
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