Abstract
This paper describes an algorithmic solution for simple and efficient underwater orientation and depth control. Maintaining a position with an underwater robot is a difficult task. In the case of an Autonomous Underwater Vehicles (AUVs), not only the underwater conditions, but also the environmental effects off the surface need to be considered. There is a large number of algorithms have been designed by researchers based on computer vision, sensor fusion, etc. to estimate the location precisely, yet most of them are specific for the given hardware. Our solution employs a multi-sensor fusion based algorithm, where the data is taken from magnetic and pressure sensors. A PID controller was designed and implemented to ensure proper orientation keeping and depth control in rippling water. The solution has been tested in various environments, and successfully used during the marine challenges of the euRathlon 2015 competition.
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Acknowledgement
Authors would like to thank NATO Centre for Maritime Research and Organization (CMRE) for the opportunity to access and use the Sparus II AUV during the euRathlon competition, and also the friendly support of NIST and University of Girona (UdG). Financial support for this work was provided by the University Research and Innovation Center (EKIK) of Óbuda University.
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Dóczi, R., Takács, B., Sütő, B., Haidegger, T., Kozlovszky, M., Tar, J.K. (2017). Orientation and Depth Control in Rippling Water for an Autonomous Underwater Robot. In: Rodić, A., Borangiu, T. (eds) Advances in Robot Design and Intelligent Control. RAAD 2016. Advances in Intelligent Systems and Computing, vol 540. Springer, Cham. https://doi.org/10.1007/978-3-319-49058-8_36
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DOI: https://doi.org/10.1007/978-3-319-49058-8_36
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