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Sea floor geometry approximation and altitude Control of ROVs

Dukan, Fredrik; Sørensen, Asgeir Johan
Journal article, Peer reviewed
Published version
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1-s2.0-S0967066114001312-main.pdf (Locked)
URI
http://hdl.handle.net/11250/2474261
Date
2014
Metadata
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  • Institutt for marin teknikk [3632]
  • Publikasjoner fra CRIStin - NTNU [41869]
Original version
Control Engineering Practice. 2014, 29 135-146.   10.1016/j.conengprac.2014.04.006
Abstract
This paper presents a method for sea floor geometry approximation in a local region beneath a remotely operated vehicle (ROV) for use in altitude control. The method is based on Doppler velocity log (DVL) altitude measurements and ROV state estimates. The ROV altitude and sea floor gradient, which are obtained from the sea floor approximation, are used in a guidance law for altitude control. The altitude observer and guidance law have been implemented in the control system of NTNU's ROV Minerva. Results from simulations and sea trials demonstrating the performance of the proposed altitude estimation and guidance system are presented in the paper.
Publisher
Elsevier
Journal
Control Engineering Practice

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