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dc.contributor.authorBryne, Torleiv Håland
dc.contributor.authorRogne, Robert Harald
dc.contributor.authorFossen, Thor I.
dc.contributor.authorJohansen, Tor Arne
dc.date.accessioned2018-02-19T11:52:14Z
dc.date.available2018-02-19T11:52:14Z
dc.date.created2017-11-01T12:20:51Z
dc.date.issued2017
dc.identifier.citationProceedings of ASME 2017 36th International Conference on Ocean, Offshore & Arctic Engineering, OMAE 2017.nb_NO
dc.identifier.isbn978-0-7918-5763-2
dc.identifier.urihttp://hdl.handle.net/11250/2485654
dc.description.abstractIn this paper we present an alternative configuration of sensors, position and heading reference systems for dynamically positioned (DP) vessels. The approach uses a sensor structure based on low-cost inertial measurements units (IMUs), satisfying fault tolerance against single-point failures that is at the essence of the IMO guidelines for both DP class 2 and 3 vessels. Recent results have shown that dual-redundant position and heading ref- erence systems are sufficient to prevent loss of position within some well-defined time horizons by exploiting sensor fusion of the reference systems and triple-redundant MEMS-based IMUs. These IMUs also function as Vertical Reference Units (VRUs), since vessel motions is obtained using the same IMU configura- tion and sensor fusion framework. In this proposition, the ac- celeration measurements provided by the IMUs make wind and other force sensors unnecessary, except possibly for an advisory role. The proposed framework has the potential to significantly reduce the cost of dynamic positioning systems without compro- mising safety.nb_NO
dc.language.isoengnb_NO
dc.publisherAmerican Society of Mechanical Engineers (ASME)nb_NO
dc.relation.ispartofASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology
dc.titleInertial Sensors for Risk-Based Redundancy in Dynamic Positioningnb_NO
dc.typeChapternb_NO
dc.description.versionpublishedVersionnb_NO
dc.identifier.doi10.1115/OMAE2017-61290
dc.identifier.cristin1509718
dc.relation.projectNorges forskningsråd: 225259nb_NO
dc.relation.projectNorges forskningsråd: 223254nb_NO
dc.description.localcodeCopyright © 2017 by ASME.nb_NO
cristin.unitcode194,63,25,0
cristin.unitnameInstitutt for teknisk kybernetikk
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode1


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