NDLI: Autonomous Minibuoy Prototype for a Coordinated, Wireless Networked, Ocean-Surface-Sensor Array

Content Provider	IEEE Xplore Digital Library
Author	Vesecky, J.F. Laws, K. Petersen, S.I. Bazeghi, C. Wiberg, D.
Copyright Year	2007
Description	Author affiliation: California Univ., Santa Cruz (Vesecky, J.F.; Laws, K.; Petersen, S.I.; Bazeghi, C.; Wiberg, D.)
Abstract	We report the design, prototype construction and initial testing of a small minibuoy that is aimed at use in a coordinated, wireless networked array of buoys for ocean surface sensing, both above and below the surface. This vehicle is designed to fill the gap between larger ocean surface vessels and/or moored buoys and subsurface gliders. The size and cost is low enough that these versatile sensor platforms can be deployed easily and in quantity. Since these minibuoys are mobile, they can keep station in currents as large as 25 cm/s or move as an adaptive, coordinated sensor array for high resolution in both time and space. The buoy is about 29 inches (74 cm) long, 16 inches (41 cm) wide (maximum) and weighs about 32 pounds (14.5 kg); hence, it can be deployed easily from small craft. Deployment times are estimated to be one or two days or more depending on propulsion requirements and battery pack -longer with solar power. The buoy structure is fiberglass and PVC with two 2 W electric motors. Control is affected by GPS and magnetic heading sensors and a PID scheme to maintain heading and required speed. Communication is via a 900 MHz system with a range of a km or two with plans for a longer range HF/VHF or satellite system. The initial sensor system is designed for ocean hyperspectral observations as surface truth for an airborne system calibration and validation as well as other ocean color applications. Acoustic, wave, air & water temperature sensors as well as GPS are included. The Mark I prototype has been successfully tested in a pool with manual control of movement.
Starting Page	1
Ending Page	5
File Size	5300077
Page Count	5
File Format	PDF
ISBN	9781424406340
DOI	10.1109/OCEANSE.2007.4302403
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-18
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Prototypes Sea surface Ocean temperature Sensor arrays Wireless sensor networks Global Positioning System Hyperspectral sensors Testing Marine vehicles Remotely operated vehicles
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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