Inversion of short-term precursor of acoustic emission in uniaxial compression based on SOM neural network
Jie Sun,
Dongqiao Liu,
Lei Zhang
et al.
Abstract:A good understanding of the precursor characteristics of rock failure is essential for geo-mechanical rock engineering. This paper proposes an inversion method for acoustic emission (AE) precursor signals based on a self-organizing map neural network. The feature of this method lies in a construction of cyclic segmentation iteration process. By segmenting and approximating the set of AE parameters, the AE precursor signals are extracted at 97% of the peak stress moment. The inversion results of the rock failur… Show more
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