Title
Crack Classification of a Pressure Vessel Using Feature Selection and Deep Learning Methods.
Abstract
Pressure vessels (PV) are designed to hold liquids, gases, or vapors at high pressures in various industries, but a ruptured pressure vessel can be incredibly dangerous if cracks are not detected in the early stage. This paper proposes a robust crack identification technique for pressure vessels using genetic algorithm (GA)-based feature selection and a deep neural network (DNN) in an acoustic emission (AE) examination. First, hybrid features are extracted from multiple AE sensors that represent diverse symptoms of pressure vessel faults. These features stem from various signal processing domains, such as the time domain, frequency domain, and time-frequency domain. Heterogenous features from various channels ensure a robust feature extraction process but are high-dimensional, so may contain irrelevant and redundant features. This can cause a degraded classification performance. Therefore, we use GA with a new objective function to select the most discriminant features that are highly effective for the DNN classifier when identifying crack types. The potency of the proposed method (GA + DNN) is demonstrated using AE data obtained from a self-designed pressure vessel. The experimental results indicate that the proposed method is highly effective at selecting discriminant features. These features are used as the input of the DNN classifier, achieving a 94.67% classification accuracy.
Year
DOI
Venue
2018
10.3390/s18124379
SENSORS
Keywords
Field
DocType
fatigue crack detection,feature extraction,genetic algorithm,deep learning,pressure vessel,petrochemical industries,acoustic emission examination,nondestructive testing
Pressure vessel,Feature selection,Mechanical engineering,Electronic engineering,Artificial intelligence,Engineering,Deep learning
Journal
Volume
Issue
ISSN
18
12.0
1424-8220
Citations 
PageRank 
References 
2
0.37
7
Authors
4
Name
Order
Citations
PageRank
M. M. Manjurul Islam1183.11
Muhammad Sohaib220.71
Jaeyoung Kim3777.21
Jong Myon Kim414432.36