Investigation of planet gear instant center of rotation under three-axis driving differential planetary gear train with graphical analysis using high speed camera
A planetary gear train (PGT) is one of the most important components in the hybrid and electric vehicles owing to its high torque-to-weight ratio, light weight, and compactness. But transmission mechanism is still unclear due to structural complexity. Planet gears make PGT complex because of its mot...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | Japanese |
| Published: |
The Japan Society of Mechanical Engineers
2018-09-01
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| Series: | Nihon Kikai Gakkai ronbunshu |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/transjsme/84/866/84_17-00504/_pdf/-char/en |
| _version_ | 1797989029320327168 |
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| author | Masao NAKAGAWA Dai NISHIDA Tomoki FUKUDA Toshiki HIROGAKI Eiichi AOYAMA |
| author_facet | Masao NAKAGAWA Dai NISHIDA Tomoki FUKUDA Toshiki HIROGAKI Eiichi AOYAMA |
| author_sort | Masao NAKAGAWA |
| collection | DOAJ |
| description | A planetary gear train (PGT) is one of the most important components in the hybrid and electric vehicles owing to its high torque-to-weight ratio, light weight, and compactness. But transmission mechanism is still unclear due to structural complexity. Planet gears make PGT complex because of its motion (simultaneous rotation and revolution) and different contact ratio, or meshing stiffness between internal meshing (ring-planet) and external meshing (sun-planet). Although many experimental studies about PGT’s steady condition had been conducted all over the world, no studies have proved motion of planet gear experimentally. In this paper, planet gear instant center of rotation (ICR) is found out based on its velocity distribution and it was proved with direct motion observation on planet gear motion by high speed monitoring. ICR is expected to be effective to estimate meshing transmission errors (MTE) with its feature like light lever. MTEs in a PGT were also discussed based on the fluctuation of trace of ICR, or centrode. |
| first_indexed | 2024-04-11T08:12:35Z |
| format | Article |
| id | doaj.art-7befe6b78c284da78986d151d549dd7a |
| institution | Directory Open Access Journal |
| issn | 2187-9761 |
| language | Japanese |
| last_indexed | 2024-04-11T08:12:35Z |
| publishDate | 2018-09-01 |
| publisher | The Japan Society of Mechanical Engineers |
| record_format | Article |
| series | Nihon Kikai Gakkai ronbunshu |
| spelling | doaj.art-7befe6b78c284da78986d151d549dd7a2022-12-22T04:35:16ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612018-09-018486617-0050417-0050410.1299/transjsme.17-00504transjsmeInvestigation of planet gear instant center of rotation under three-axis driving differential planetary gear train with graphical analysis using high speed cameraMasao NAKAGAWA0Dai NISHIDA1Tomoki FUKUDA2Toshiki HIROGAKI3Eiichi AOYAMA4Graduate School of Science and Engineering, Doshisha UniversityGraduate School of Science and Engineering, Doshisha UniversityGraduate School of Science and Engineering, Doshisha UniversityFaculty of Mechanical Engineering, Doshisha UniversityFaculty of Mechanical Engineering, Doshisha UniversityA planetary gear train (PGT) is one of the most important components in the hybrid and electric vehicles owing to its high torque-to-weight ratio, light weight, and compactness. But transmission mechanism is still unclear due to structural complexity. Planet gears make PGT complex because of its motion (simultaneous rotation and revolution) and different contact ratio, or meshing stiffness between internal meshing (ring-planet) and external meshing (sun-planet). Although many experimental studies about PGT’s steady condition had been conducted all over the world, no studies have proved motion of planet gear experimentally. In this paper, planet gear instant center of rotation (ICR) is found out based on its velocity distribution and it was proved with direct motion observation on planet gear motion by high speed monitoring. ICR is expected to be effective to estimate meshing transmission errors (MTE) with its feature like light lever. MTEs in a PGT were also discussed based on the fluctuation of trace of ICR, or centrode.https://www.jstage.jst.go.jp/article/transjsme/84/866/84_17-00504/_pdf/-char/enplanetary gear trainmechanisminstant center of rotationhigh speed cameragraphical analysis |
| spellingShingle | Masao NAKAGAWA Dai NISHIDA Tomoki FUKUDA Toshiki HIROGAKI Eiichi AOYAMA Investigation of planet gear instant center of rotation under three-axis driving differential planetary gear train with graphical analysis using high speed camera Nihon Kikai Gakkai ronbunshu planetary gear train mechanism instant center of rotation high speed camera graphical analysis |
| title | Investigation of planet gear instant center of rotation under three-axis driving differential planetary gear train with graphical analysis using high speed camera |
| title_full | Investigation of planet gear instant center of rotation under three-axis driving differential planetary gear train with graphical analysis using high speed camera |
| title_fullStr | Investigation of planet gear instant center of rotation under three-axis driving differential planetary gear train with graphical analysis using high speed camera |
| title_full_unstemmed | Investigation of planet gear instant center of rotation under three-axis driving differential planetary gear train with graphical analysis using high speed camera |
| title_short | Investigation of planet gear instant center of rotation under three-axis driving differential planetary gear train with graphical analysis using high speed camera |
| title_sort | investigation of planet gear instant center of rotation under three axis driving differential planetary gear train with graphical analysis using high speed camera |
| topic | planetary gear train mechanism instant center of rotation high speed camera graphical analysis |
| url | https://www.jstage.jst.go.jp/article/transjsme/84/866/84_17-00504/_pdf/-char/en |
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