Performance of two low-cost GPS receivers for ground speed measurement under varying speed conditions

Basit Öğe Kaydı
dc.authoridKeskin, Muharrem/0000-0002-2649-6855
dc.authoridKahraman, suleyman/0000-0002-7730-6353
dc.authoridSEKERLI, Yunus Emre/0000-0002-7954-8268
dc.contributor.authorKeskin, Muharrem
dc.contributor.authorSekerli, Yunus Emre
dc.contributor.authorKahraman, Suleyman
dc.date.accessioned2024-09-18T20:26:31Z
dc.date.available2024-09-18T20:26:31Z
dc.date.issued2017
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractA global positioning system (GPS) receiver is an important sensor used in modern farming, particularly in precision agriculture to determine geographic location and ground speed. The aim of this study was to investigate the effectiveness of two low-cost GPS receivers for measuring ground speed under varying speed conditions on four different dates. A rotary shaft encoder on an auxiliary wheel mounted on an agricultural tractor was used as a reference. A significant time lag between the rotary encoder speed and the GPS speed was found over a range of speeds. It was observed that the GPS speed lagged the encoder speed in both increasing and decreasing speeds. The average time lag was found to be between 3.6 and 5.2 s for Receiver 1 while Receiver 2 had a time lag from 1.7 to 2.5 s. A significant difference was found between the two receivers for increasing and decreasing speeds in terms of time lags (P < 0.05). A post correction by shifting the GPS speed increased the accuracy of the speed measurement capability of both receivers resulting in an average correlation coefficient of 0.30-0.90 for Receiver 1 and 0.65-0.98 for Receiver 2. Effect of USB-to-COM converter was also studied and it did not have a significant effect on time delay. The GPS receivers provided reliable data during constant speed operating conditions; however, caution should be exercised in varying speed conditions when using low-cost GPS receivers. Also, the companies that produce GPS-based speed sensors should supply technical specifications related to velocity estimates during acceleration and deceleration.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK); Scientific Research Projects (BAP) Office of the Mustafa Kemal University [1004 M 0102]en_US
dc.description.sponsorshipThe authors acknowledge the support of the Scientific and Technological Research Council of Turkey (TUBITAK) and Scientific Research Projects (BAP) Office of the Mustafa Kemal University for the financial support for the study (Project no: 1004 M 0102).en_US
dc.identifier.doi10.1007/s11119-016-9453-x
dc.identifier.endpage277en_US
dc.identifier.issn1385-2256
dc.identifier.issn1573-1618
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-84964452741en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage264en_US
dc.identifier.urihttps://doi.org/10.1007/s11119-016-9453-x
dc.identifier.urihttps://hdl.handle.net/20.500.12483/10357
dc.identifier.volume18en_US
dc.identifier.wosWOS:000394982900009en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofPrecision Agricultureen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectGround speeden_US
dc.subjectGPS receiveren_US
dc.subjectAgricultural machineryen_US
dc.subjectLatencyen_US
dc.titlePerformance of two low-cost GPS receivers for ground speed measurement under varying speed conditionsen_US
dc.typeArticleen_US

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