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Proceedings 2017, 1(2), 33; doi:10.3390/ecsa-3-E011

Development and Testing of a Dual Accelerometer Vector Sensor for AUV Acoustic Surveys

1
LARSyS, University of Algarve, Campus de Gambelas, 8005-139, Faro, Portugal
2
Marsensing Lda, Centro Empresarial Gambelas, 8005-139, Faro Portugal
3
Instituto Superior Téchico, Institute for Systems and Robotics, 1049-001, Lisbon, Portugal
Presented at the 3rd International Electronic Conference on Sensors and Applications, 15–30 November 2016; Available online: https://sciforum.net/conference/ecsa-3.
*
Author to whom correspondence should be addressed.
Published: 14 November 2016
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Abstract

This paper presents the design, manufacturing and testing of a Dual Accelerometer Vector Sensor (DAVS). The device was built within the activities of the WiMust project, a EU project, supported under the Horizon 2020 Framework Programme, which aims to improve the efficiency of the methodologies used to perform geophysical acoustic surveys at sea by the use of Autonomous Underwater Vehicles (AUVs). The DAVS contributes to this aim in various ways, for example, owing to its spatial filtering capability, it can measure reflections at the desired direction therefore reducing the amount of post processing related to deghosting and multipath removal. Also its compact size allows easier integration with AUVs and hence facilitates the vehicle manoeuvrability compared to the classical towed arrays. The DAVS device consists of two tri-axial accelerometers and one hydrophone moulded in one unit. The device’s directional estimation capabilities were evaluated on an AUV, which was sailing around a deployed sound source. Results of this experiment are presented in this paper.
Keywords: vector sensors; spatial filtering; AUV vector sensors; spatial filtering; AUV
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Mantouka, A.; Felisberto, P.; Santos, P.; Maslov, D.; Zabel, F.; Saleiro, M.; Jesus, S.M.; Sebastião, L. Development and Testing of a Dual Accelerometer Vector Sensor for AUV Acoustic Surveys. Proceedings 2017, 1, 33.

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