Hidden Markov Models for Pipeline Damage Detection Using Piezoelectric Transducers
Mingchi Zhang,
Xuemin Chen,
Wei Li
Abstract:Oil and gas pipeline leakages lead to not only enormous economic loss but also environmental disasters. How to detect the pipeline damages including leakages and cracks has attracted much research attention. One of the promising leakage detection method is to use lead zirconate titanate (PZT) transducers to detect the negative pressure wave when leakage occurs. PZT transducers can generate and detect guided stress waves for crack detection also. However, the negative pressure waves or guided stress waves may n… Show more
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