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Robotics 2019, 8(1), 5;

Determination of Flow Parameters of a Water Flow Around an AUV Body

Center for Teaching and Learning, Hamburg University of Technology, Am Schwarzenberg-Campus 3, 21073 Hamburg, Germany
Department of Mechanics and Robotics, University of Duisburg-Essen, Lotharstr. 1, 47057 Duisburg, Germany
Author to whom correspondence should be addressed.
Received: 19 October 2018 / Revised: 17 January 2019 / Accepted: 22 January 2019 / Published: 28 January 2019
PDF [2495 KB, uploaded 28 January 2019]


Autonomous underwater vehicles (AUVs) have changed the way marine environment is surveyed, monitored and mapped. Autonomous underwater vehicles have a wide range of applications in research, military, and commercial settings. AUVs not only perform a given task but also adapt to changes in the environment, e.g., sudden side currents, downdrafts, and other effects which are extremely unpredictable. To navigate properly and allow simultaneous localisation and mapping (SLAM) algorithms to be used, these effects need to be detected. With current navigation systems, these disturbances in the water flow are not measured directly. Only the indirect effects are observed. It is proposed to detect the disturbances directly by placing pressure sensors on the surface of the AUV and processing the pressure data obtained. Within this study, the applicability of different learning methods for determining flow parameters of a surrounding fluid from pressure on an AUV body are tested. This is based on CFD simulations using pressure data from specified points on the surface of the AUV. It is shown that support vector machines are most suitable for the given task and yield excellent results. View Full-Text
Keywords: navigation; learning algorithms; computational fluid dynamics; autonomous underwater vehicles navigation; learning algorithms; computational fluid dynamics; autonomous underwater vehicles

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Hoth, J.; Kowalczyk, W. Determination of Flow Parameters of a Water Flow Around an AUV Body. Robotics 2019, 8, 5.

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