extract features from raw vibration signals using sparse filtering

2018 5 10
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更新时间：2019 7 17
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I am trying to implement a way to use sparse filtering or another similiar algorithm to extract features directly from raw vibration signals. I tried the algorithm:
sparsefilt
But the results were not great. Maybe because this algortihm doesnt like to take raw signals as input (but wants already features?)
Also I have to mention that I am aware of this method:
https://de.mathworks.com/help/predmaint/examples/Rolling-Element-Bearing-Fault-Diagnosis.html
But my task is to find a way to exract features more automatic.
Can somebody help me to find the right algorithm to extract features from raw vibration signals?
Best regards

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