Monitoring the condition of Marine Renewable Energy Devices through underwater Acoustic Emissions: Case study of a Wave Energy Converter in Falmouth Bay, UK

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Monitoring the condition of Marine Renewable Energy Devices through underwater Acoustic Emissions: Case study of a Wave Energy Converter in Falmouth Bay, UK

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作者：Jodi Walsh^a ; ^b ; ^{jw631@exeter.ac.uk" class="auth_mail" title="E-mail the corresponding author} ; Imran Bashir^a ; Joanne K. Garrett^a ; Philipp R. Thies^a ; Philippe Blondel^b ; Lars Johanning^a
关键词：Underwater acoustics ; Acoustic Emission ; Condition monitoring ; Health monitoring ; Marine Renewable Energy ; Wave Energy Converter
刊名：Renewable Energy
出版年：2017
出版时间：March 2017
年：2017
卷：102
期：part_PA
页码：205-213
全文大小：1769 K

文摘

class="label">•: id="p0010">This article presents an analysis of underwater Acoustic Emissions for a WEC to identify acoustic signatures for Condition Health Monitoring.
class="label">•: id="p0015">It uses 2 years of broadband acoustic measurements and ancillary data from the Fred. Olsen Bolt-2 Lifesaver deployed in Falmouth Bay, UK.
class="label">•: id="p0020">Time-frequency analyses detect acoustic signatures of active PTO and other components in the frequency band 60 Hz–5 kHz monitored from 200 m away.
class="label">•: id="p0025">These results demonstrate the feasibility of remote monitoring of the health of Marine Renewable Energy Devices using their Acoustic Emissions.