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Mooring Load Monitoring of a Wave Energy Converter Using a Self-Synchronizing Underwater Acoustic Network

Conference ·
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A self-synchronizing underwater acoustic network, designed for remote monitoring of mooring loads in Wave Energy Converters (WEC), has been developed and tested. This network uses Time Division Multiple Access and operates self-contained with the ability for users to remotely transmit commands to the network as needed. Each node is a self-contained unit, consisting of a protocol adaptor board, an underwater acoustic modem and a battery pack. A node can be connected to a load cell, to a topside user or to the WEC. Every node is swapable. The protocol adaptor board, named Protocol Adaptor for Digital LOad Cell (PADLOC) supports a variety of digital load cell message formats (CAN, MODBUS, custom ASCII) and underwater acoustic modem serial formats. PADLOC enables topside users to connect to separate load cells through a user-specific command.

Research Organization:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Water Power Technologies Office (EE-4W)
DOE Contract Number:
AC36-08GO28308
OSTI ID:
1922631
Report Number(s):
NREL/CP-5700-85180; MainId:85953; UUID:14113624-fc3d-47ea-b7bb-e4592a80cd77; MainAdminID:68601
Resource Relation:
Conference: Presented at OCEANS 2022, 17-20 October 2022, Hampton Roads, Virginia
Country of Publication:
United States
Language:
English

References (10)

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Task Allocation and Path Planning for Collaborative Autonomous Underwater Vehicles Operating through an Underwater Acoustic Network journal January 2013
A Self-Synchronizing Underwater Acoustic Network for Mooring Load Monitoring of a Wave Energy Converter.
  • Beaujean, Pierre-Philippe; Murray, Bryan; Gunawan, Budi
  • Proposed for presentation at the 14th European Wave and Tidal Energy Conference (EWTEC 2021) held September 5-9, 2021 in Plymouth, UK https://doi.org/10.2172/1883473
conference August 2021
UComms: A Conference and Workshop on Underwater Communications, Channel Modeling, and Validation journal October 2013
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Evaluation of performance metrics for the Wave Energy Prize converters tested at 1/20th scale journal December 2018
Performance limitations in underwater acoustic telemetry journal July 1990
Deepwater Monitoring System in Underwater Delay/Disruption Tolerant Network journal January 2012

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Related Subjects

TIDAL AND WAVE POWER
acoustic
network
self-synchronizing
underwater