Cooperation between an unmanned aerial vehicle and an unmanned ground vehicle in highly accurate localization of gamma radiation hotspots

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dc.contributor.authorLázna, Tomášcs
dc.contributor.authorGábrlík, Petrcs
dc.contributor.authorJílek, Tomášcs
dc.contributor.authorŽalud, Luděkcs
dc.coverage.issue1cs
dc.coverage.volume15cs
dc.date.issued2018-01-01cs
dc.description.abstractThis article discusses the highly autonomous robotic search and localization of radiation sources in outdoor environments. The cooperation between a human operator, an unmanned aerial vehicle, and an unmanned ground vehicle is used to render the given mission highly effective, in accordance with the idea that the search for potential radiation sources should be fast, precise, and reliable. Each of the components assumes its own role in the mission; the unmanned aerial vehicle (in our case, a multirotor) is responsible for fast data acquisition to create an accurate orthophoto and terrain map of the zone of interest. Aerial imagery is georeferenced directly, using an onboard sensor system, and no ground markers are required. The unmanned aerial vehicle can also perform rough radiation measurement, if necessary. Since the map contains three-dimensional information about the environment, algorithms to compute the spatial gradient, which represents the rideability, can be designed. Based on the primary aerial map, the human operator defines the area of interest to be examined by the applied unmanned ground vehicle carrying highly sensitive gamma-radiation probe/probes. As the actual survey typically embodies the most time-consuming problem within the mission, major emphasis is put on optimizing the unmanned ground vehicle trajectory planning; however, the dual-probe (differential) approach to facilitate directional sensitivity also finds use in the given context. The unmanned ground vehicle path planning from the pre-mission position to the center of the area of interest is carried out in the automated mode, similarly to the previously mentioned steps. Although the human operator remains indispensable, most of the tasks are performed autonomously, thus substantially reducing the load on the operator to enable them to focus on other actions during the search mission. Although gamma radiation is used as the demonstrator, most of the proposed algorithms and tasks are applicable on a markedly wider basis, including, for example, chemical, biological, radiological, and nuclear missions and environmental measurement tasks.en
dc.formattextcs
dc.format.extent1-16cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationInternational Journal of Advanced Robotic Systems. 2018, vol. 15, issue 1, p. 1-16.en
dc.identifier.doi10.1177/1729881417750787cs
dc.identifier.issn1729-8814cs
dc.identifier.orcid0000-0001-5437-4014cs
dc.identifier.orcid0000-0002-8632-5820cs
dc.identifier.orcid0000-0001-6562-1922cs
dc.identifier.orcid0000-0003-2993-7772cs
dc.identifier.other143441cs
dc.identifier.researcheridG-8105-2014cs
dc.identifier.researcheridA-7047-2012cs
dc.identifier.scopus55907069700cs
dc.identifier.scopus8439091900cs
dc.identifier.urihttp://hdl.handle.net/11012/70894
dc.language.isoencs
dc.publisherSAGE Publicationscs
dc.relation.ispartofInternational Journal of Advanced Robotic Systemscs
dc.relation.urihttps://doi.org/10.1177/1729881417750787cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1729-8814/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectMobile roboten
dc.subjectunmanned aerial vehicleen
dc.subjectunmanned ground vehicleen
dc.subjectgamma radiationen
dc.subjectlocalizationen
dc.subjectaerial mappingen
dc.subjectself-localizationen
dc.subjectnavigationen
dc.subjectrobot cooperationen
dc.titleCooperation between an unmanned aerial vehicle and an unmanned ground vehicle in highly accurate localization of gamma radiation hotspotsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-143441en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:39:38en
sync.item.modts2025.01.17 15:27:30en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav automatizace a měřicí technikycs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Kybernetika pro materiálové vědycs
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