A novel high resolution miniaturized capacitive rotary encoder

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dc.contributor.authorYavsan, Emrehan
dc.contributor.authorKara, Muhammet Rojhat
dc.contributor.authorKarali, Mehmet
dc.contributor.authorGokce, Baris
dc.contributor.authorErismis, Mehmet Akif
dc.date.accessioned2024-02-23T14:16:16Z
dc.date.available2024-02-23T14:16:16Z
dc.date.issued2021
dc.departmentNEÜen_US
dc.description.abstractIn this paper, design and prototyping of a novel, high resolution, and low-cost capacitive encoder were presented. Detailed analysis showed that the number of poles on the rotor should be as high as possible to keep the gain high and to reduce the non-linearity. Moreover, contrary to the common intuition, inter electrode gap is found to have an optimum non-zero value, corresponding to a particular number of poles, in order to maximize the gain. However, increasing number of poles brings practical problems due to manufacturing limits and digital electronic frequency load. As the electronics, micro-controller based digital signal processing is used to keep the cost as low as possible. With miniaturizing the encoder geometry as a design target, the number of plates were increased to three to increase the capacitances. One prototype, which is around 3 cm in diameter could be successfully mounted to an industry oriented DC motor and tested. The tests of this miniaturized encoder showed non-linearity error of 0.12% and resolution of 0.02 degrees. One source of the non-linearity error is the DC motor itself, and we believe that with a better setup, the error could be measured to be even better. (C) 2021 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipNecmettin Erbakan University Scientific Research Projects Unit [191419007]; Scientific and Technological Research Council of Turkey [1649B031907024]en_US
dc.description.sponsorshipThis work was supported by the Necmettin Erbakan University Scientific Research Projects Unit [grant number 191419007] and the Scientific and Technological Research Council of Turkey [grant number 1649B031907024] .en_US
dc.identifier.doi10.1016/j.sna.2021.112992
dc.identifier.issn0924-4247
dc.identifier.issn1873-3069
dc.identifier.scopus2-s2.0-85111881104en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.sna.2021.112992
dc.identifier.urihttps://hdl.handle.net/20.500.12452/12599
dc.identifier.volume331en_US
dc.identifier.wosWOS:000701899500006en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Saen_US
dc.relation.ispartofSensors And Actuators A-Physicalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSensorsen_US
dc.subjectCapacitive Encoderen_US
dc.subjectModulationen_US
dc.subjectPosition Measurementen_US
dc.subjectPrototyping Processen_US
dc.titleA novel high resolution miniaturized capacitive rotary encoderen_US
dc.typeArticleen_US

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