Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth

[ENG] The application of double staggered helical gears with shortened teeth is proposed to increase the efficiency of gear reducers applied in electric vehicles. The staggered helical gears are designed with short addendum and dedendum as well as a phase angle between their two parts. Reduction of...

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Autores: González Pérez, Ignacio, Fuentes Aznar, Alfonso
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Universidad Politécnica de Cartagena(UPCT)
Repositorio:Repositorio Digital UPCT
OAI Identifier:oai:repositorio.upct.es:10317/12856
Acceso en línea:http://hdl.handle.net/10317/12856
https://link.springer.com/article/10.1007/s10010-023-00707-1
Access Level:acceso abierto
Palabra clave:Engranajes
Transmisiones helicoidales
Ingeniería Mecánica
3313 Tecnología E Ingeniería Mecánicas
id ES_8ed9b04349d5bc2ccfb024bfd7fc65e3
oai_identifier_str oai:repositorio.upct.es:10317/12856
network_acronym_str ES
network_name_str España
repository_id_str
dc.title.none.fl_str_mv Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth
title Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth
spellingShingle Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth
González Pérez, Ignacio
Engranajes
Transmisiones helicoidales
Ingeniería Mecánica
Ingeniería Mecánica
3313 Tecnología E Ingeniería Mecánicas
title_short Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth
title_full Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth
title_fullStr Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth
title_full_unstemmed Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth
title_sort Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth
dc.creator.none.fl_str_mv González Pérez, Ignacio
Fuentes Aznar, Alfonso
author González Pérez, Ignacio
author_facet González Pérez, Ignacio
Fuentes Aznar, Alfonso
author_role author
author2 Fuentes Aznar, Alfonso
author2_role author
dc.contributor.none.fl_str_mv Rochester Institute of Technology
Ministerio de Ciencia e Innovación
Agencia Estatal de Investigación
dc.subject.none.fl_str_mv Engranajes
Transmisiones helicoidales
Ingeniería Mecánica
Ingeniería Mecánica
3313 Tecnología E Ingeniería Mecánicas
topic Engranajes
Transmisiones helicoidales
Ingeniería Mecánica
Ingeniería Mecánica
3313 Tecnología E Ingeniería Mecánicas
description [ENG] The application of double staggered helical gears with shortened teeth is proposed to increase the efficiency of gear reducers applied in electric vehicles. The staggered helical gears are designed with short addendum and dedendum as well as a phase angle between their two parts. Reduction of power losses is achieved by avoiding contact between tooth surfaces where the sliding velocities are larger, since the meshing occurs in areas close to the pitch circle during a longer period of the cycle of meshing. The calculation of the efficiency is based on the application of the finite element method through two algorithms for post-processing the obtained results. The first one is based on the use of tangential forces and sliding velocities to compute the power losses along the cycle of meshing. The second one is based on the determination of the input and output powers through the torques and velocities at the pinion and gear reference nodes of the finite element model. A constant friction coefficient is being considered between the contacting tooth surfaces for all the geometries. Several two-stage gear transmissions are analyzed and compared, considering standard helical gears and their counterpart double staggered helical gears with shortened teeth, different facewidth-to-module ratios, and different helix angles. The results show an improvement in the efficiency about 1.8 percentile points among the compared geometries.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10317/12856
https://link.springer.com/article/10.1007/s10010-023-00707-1
url http://hdl.handle.net/10317/12856
https://link.springer.com/article/10.1007/s10010-023-00707-1
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv https://link.springer.com/article/10.1007/s10010-023-00707-1
PID2020- 116107GB-I00
dc.rights.none.fl_str_mv Atribución-NoComercial-SinDerivadas 3.0 España
Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:Repositorio Digital UPCT
instname:Universidad Politécnica de Cartagena(UPCT)
instname_str Universidad Politécnica de Cartagena(UPCT)
reponame_str Repositorio Digital UPCT
collection Repositorio Digital UPCT
repository.name.fl_str_mv
repository.mail.fl_str_mv
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spelling Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teethGonzález Pérez, IgnacioFuentes Aznar, AlfonsoEngranajesTransmisiones helicoidalesIngeniería MecánicaIngeniería Mecánica3313 Tecnología E Ingeniería Mecánicas[ENG] The application of double staggered helical gears with shortened teeth is proposed to increase the efficiency of gear reducers applied in electric vehicles. The staggered helical gears are designed with short addendum and dedendum as well as a phase angle between their two parts. Reduction of power losses is achieved by avoiding contact between tooth surfaces where the sliding velocities are larger, since the meshing occurs in areas close to the pitch circle during a longer period of the cycle of meshing. The calculation of the efficiency is based on the application of the finite element method through two algorithms for post-processing the obtained results. The first one is based on the use of tangential forces and sliding velocities to compute the power losses along the cycle of meshing. The second one is based on the determination of the input and output powers through the torques and velocities at the pinion and gear reference nodes of the finite element model. A constant friction coefficient is being considered between the contacting tooth surfaces for all the geometries. Several two-stage gear transmissions are analyzed and compared, considering standard helical gears and their counterpart double staggered helical gears with shortened teeth, different facewidth-to-module ratios, and different helix angles. The results show an improvement in the efficiency about 1.8 percentile points among the compared geometries.[DE] Der Einsatz von doppelt versetzten Schrägverzahnungen mit verkürzten Zähnen wird vorgeschlagen, um die Effizienz von Getrieben in Elektrofahrzeugen zu steigern. Die Schrägstirnräder sind mit kurzer Kopf- und Fußhöhe sowie einem Phasenwinkel zwischen ihren beiden Teilen entworfen. Die Reduzierung von Leistungsverlusten wird dadurch erreicht, dass der Kontakt zwischen Zahnoberflächen vermieden wird, an denen die Gleitgeschwindigkeiten größer sind, da der Eingriff während eines längeren Zeitraums des Eingriffszyklus in Bereichen nahe dem Teilkreis erfolgt. Die Berechnung der Effizienz basiert auf der Anwendung der Finite-Elemente-Methode durch zwei Algorithmen zur Nachbearbeitung der erhaltenen Ergebnisse. Die erste basiert auf der Nutzung von Tangentialkräften und Gleitgeschwindigkeiten zur Berechnung der Leistungsverluste entlang des Eingriffszyklus. Die zweite basiert auf der Bestimmung der Eingangs- und Ausgangsleistungen anhand der Drehmomente und Geschwindigkeiten an den Ritzel- und Zahnrad-Referenzknoten des Finite-Elemente-Modells. Für alle Geometrien wird ein konstanter Reibungskoeffizient, zwischen den sich berührenden Zahnoberflächen berücksichtigt. Mehrere zweistufige Zahnradgetriebe werden analysiert und verglichen, unter Berücksichtigung von Standard-Schrägverzahnungen und ihren Gegenstücken mit doppelt versetzten Schrägverzahnungen mit verkürzten Zähnen, unterschiedlichen Verhältnissen von Zahnbreite zu Modul und unterschiedlichen Schrägungswinkeln. Die Ergebnisse zeigen eine Verbesserung der Effizienz um etwa 1,8 Prozentpunkte zwischen den verglichenen Geometrien.This publication is part of the research project PID2020-116107GB-I00 funded by MCIN/AEI/10.13039/501100011033. Open Access funding provided thanks to the CRUE-CSIC agreement with Springer NatureSpringerRochester Institute of TechnologyMinisterio de Ciencia e InnovaciónAgencia Estatal de Investigación202320232023info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttp://hdl.handle.net/10317/12856https://link.springer.com/article/10.1007/s10010-023-00707-1reponame:Repositorio Digital UPCTinstname:Universidad Politécnica de Cartagena(UPCT)Ingléshttps://link.springer.com/article/10.1007/s10010-023-00707-1PID2020- 116107GB-I00Atribución-NoComercial-SinDerivadas 3.0 EspañaAtribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:repositorio.upct.es:10317/128562026-05-15T06:39:02Z
score 15,300719

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