Filtering of Acoustic Emission Data Through Principal Frequency Component Extraction

<p>Rapid editing of acoustic emission (AE) data is required in order to make real-time acoustic emission flaw growth systems a viable testing method for materials and setups that contain noisy signals. It was hypothesized that extracting major frequency components from the acoustic emission signal would therefore provide a representative acoustic signature of the major waveforms occurring due to defect growth This research has verified that the aforementioned filtering technique does, in fact, extract a representative signal from the composite and metal specimens utilized herein These findings were verified both through visual analysis of the data as well as the low error occurrence in backpropagation neural network predictions and good classification in self-organizing map type neural networks applied to the testing data.</p>

Name thesis:degree_name

Master of Science in Aerospace Engineering

Level thesis:degree_level

Thesis - Open Access

Discipline thesis:degree_discipline

Aerospace Engineering

Year

2006

Author dc:creator

• Karl, Justin O.

Contributors dc:contributor

• Eric v. K. Hill
• Eric Perrell
• Seenithamby Sivasundaram

• acoustic emission
• component extraction
• Aerospace Engineering

Repository record dc:identifier

https://commons.erau.edu/db-theses/93

OAI identifier oai:identifier

oai:commons.erau.edu:db-theses-1135