Strategies to enhance the data density in synchronous electromagnetic encoders

In this paper, we report two different strategies to enhance the data density in electromagnetic encoders with synchronous reading. One approach uses a periodic chain of rectangular metallic patches (clock chain) that determines the encoder velocity, and dictates the instants of time for retrieving...

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Autores: Paredes Marco, Ferran|||0000-0002-7252-1169, Karami-Horestani, Amirhossein|||0000-0003-4107-8421, Martín, Ferran|||0000-0002-1494-9167
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:259585
Acceso en línea:https://ddd.uab.cat/record/259585
https://dx.doi.org/urn:doi:10.3390/s22124356
Access Level:acceso abierto
Palabra clave:Electromagnetic encoders
Motion sensors
Chipless RFID
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spelling Strategies to enhance the data density in synchronous electromagnetic encodersParedes Marco, Ferran|||0000-0002-7252-1169Karami-Horestani, Amirhossein|||0000-0003-4107-8421Martín, Ferran|||0000-0002-1494-9167Electromagnetic encodersMotion sensorsChipless RFIDIn this paper, we report two different strategies to enhance the data density in electromagnetic encoders with synchronous reading. One approach uses a periodic chain of rectangular metallic patches (clock chain) that determines the encoder velocity, and dictates the instants of time for retrieving the bits of the identification (ID) code. However, contrary to previous electromagnetic encoders, the ID is inferred at both the rising and the falling edges of the clock signal generated by the clock chain. Moreover, the bits of information are not given by the presence or absence of metallic patches at their predefined positions in the so-called ID code chain. With this novel encoding system, a bit state corresponding to a certain instant of time is identical to the previous bit state, unless there is a change in the envelope function of the ID code signal, determined by the additional non-periodic ID code chain. The other encoding strategy utilizes a single chain of C-shaped resonators, and encoding is achieved by considering four different resonator dimensions, corresponding to four states and, hence, to two bits per resonator of the chain. Thus, with these two strategies, the data density is twice the one achievable in previously reported synchronous electromagnetic encoders. 22022-01-0120222022-01-01Articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/259585https://dx.doi.org/urn:doi:10.3390/s22124356reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengAgencia Estatal de Investigación https://doi.org/10.13039/501100011033 PID2019-103904RB-I00Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 RTC-2017-6303-7Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PDC2021-121085-I00Agència de Gestió d'Ajuts Universitaris i de Recerca https://doi.org/10.13039/501100003030 2017/SGR-1159open accesshttp://purl.org/coar/access_right/c_abf2Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.https://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:2595852026-06-06T12:50:31Z
dc.title.none.fl_str_mv Strategies to enhance the data density in synchronous electromagnetic encoders
title Strategies to enhance the data density in synchronous electromagnetic encoders
spellingShingle Strategies to enhance the data density in synchronous electromagnetic encoders
Paredes Marco, Ferran|||0000-0002-7252-1169
Electromagnetic encoders
Motion sensors
Chipless RFID
title_short Strategies to enhance the data density in synchronous electromagnetic encoders
title_full Strategies to enhance the data density in synchronous electromagnetic encoders
title_fullStr Strategies to enhance the data density in synchronous electromagnetic encoders
title_full_unstemmed Strategies to enhance the data density in synchronous electromagnetic encoders
title_sort Strategies to enhance the data density in synchronous electromagnetic encoders
dc.creator.none.fl_str_mv Paredes Marco, Ferran|||0000-0002-7252-1169
Karami-Horestani, Amirhossein|||0000-0003-4107-8421
Martín, Ferran|||0000-0002-1494-9167
author Paredes Marco, Ferran|||0000-0002-7252-1169
author_facet Paredes Marco, Ferran|||0000-0002-7252-1169
Karami-Horestani, Amirhossein|||0000-0003-4107-8421
Martín, Ferran|||0000-0002-1494-9167
author_role author
author2 Karami-Horestani, Amirhossein|||0000-0003-4107-8421
Martín, Ferran|||0000-0002-1494-9167
author2_role author
author
dc.subject.none.fl_str_mv Electromagnetic encoders
Motion sensors
Chipless RFID
topic Electromagnetic encoders
Motion sensors
Chipless RFID
description In this paper, we report two different strategies to enhance the data density in electromagnetic encoders with synchronous reading. One approach uses a periodic chain of rectangular metallic patches (clock chain) that determines the encoder velocity, and dictates the instants of time for retrieving the bits of the identification (ID) code. However, contrary to previous electromagnetic encoders, the ID is inferred at both the rising and the falling edges of the clock signal generated by the clock chain. Moreover, the bits of information are not given by the presence or absence of metallic patches at their predefined positions in the so-called ID code chain. With this novel encoding system, a bit state corresponding to a certain instant of time is identical to the previous bit state, unless there is a change in the envelope function of the ID code signal, determined by the additional non-periodic ID code chain. The other encoding strategy utilizes a single chain of C-shaped resonators, and encoding is achieved by considering four different resonator dimensions, corresponding to four states and, hence, to two bits per resonator of the chain. Thus, with these two strategies, the data density is twice the one achievable in previously reported synchronous electromagnetic encoders.
publishDate 2022
dc.date.none.fl_str_mv 2
2022-01-01
2022
2022-01-01
dc.type.none.fl_str_mv Article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://ddd.uab.cat/record/259585
https://dx.doi.org/urn:doi:10.3390/s22124356
url https://ddd.uab.cat/record/259585
https://dx.doi.org/urn:doi:10.3390/s22124356
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PID2019-103904RB-I00
Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 RTC-2017-6303-7
Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PDC2021-121085-I00
Agència de Gestió d'Ajuts Universitaris i de Recerca https://doi.org/10.13039/501100003030 2017/SGR-1159
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://creativecommons.org/licenses/by/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Dipòsit Digital de Documents de la UAB
instname:Universitat Autònoma de Barcelona
instname_str Universitat Autònoma de Barcelona
reponame_str Dipòsit Digital de Documents de la UAB
collection Dipòsit Digital de Documents de la UAB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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