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Study on Nonlinear Dynamic Characteristics of RV Reducer Transmission System.

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Title: Study on Nonlinear Dynamic Characteristics of RV Reducer Transmission System.
Authors: Han, Zhenhua1 (AUTHOR) 2021655244@smail.jsut.edu.cn, Wang, Hao1 (AUTHOR) 2021655267@smail.jsut.edu.cn, Li, Rirong1 (AUTHOR) shanwentao520@jsut.edu.cn, Shan, Wentao1 (AUTHOR) 2021655185@smail.jsut.edu.cn, Zhao, Yunda1 (AUTHOR) tqf@jsut.edu.cn, Xu, Huachao2 (AUTHOR) xuhuachao@cqcet.edu.cn, Tan, Qifeng1 (AUTHOR) duyouwu@jsut.edu.cn, Liu, Chang3 (AUTHOR) liuchangcdu@cdu.edu.cn, Du, Youwu1 (AUTHOR)
Source: Energies (19961073). Mar2024, Vol. 17 Issue 5, p1178. 25p.
Subjects: Backlash (Engineering), Bifurcation diagrams, Industrial robots, Power spectra, Differential equations
Abstract: Rotate vector (RV) reducers have widely been used in high-performance precision drives for industrial robots. However, the current nonlinear dynamic studies on RV reducers are not extensive and require a deeper focus. To bridge this gap, a translational–torsional nonlinear dynamic model for an RV reducer transmission system is proposed. The gear backlash, time-varying mesh stiffness, and comprehensive meshing errors are taken into account in the model. The dimensionless vibration differential equations of the system were derived and solved numerically. By means of bifurcation diagrams, phase trajectories, Poincaré sections, and the power spectrum, the motion state of the system was studied with the bifurcation parameters' variation, including excitation frequency and meshing damping. The results demonstrate that this system presents enriched nonlinear dynamic characteristics under different parameter combinations. The motion state of the system is more susceptible to change at lower frequencies. Increasing the meshing damping coefficient proves effective in suppressing the occurrence of chaos and reducing vibration amplitudes, significantly enhancing the stability of the transmission system. [ABSTRACT FROM AUTHOR]
Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Header DbId: egs
DbLabel: Engineering Source
An: 175987014
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PubTypeId: academicJournal
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  Data: Study on Nonlinear Dynamic Characteristics of RV Reducer Transmission System.
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  Data: <searchLink fieldCode="AR" term="%22Han%2C+Zhenhua%22">Han, Zhenhua</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 2021655244@smail.jsut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Hao%22">Wang, Hao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 2021655267@smail.jsut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Rirong%22">Li, Rirong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> shanwentao520@jsut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Shan%2C+Wentao%22">Shan, Wentao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 2021655185@smail.jsut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Yunda%22">Zhao, Yunda</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> tqf@jsut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Xu%2C+Huachao%22">Xu, Huachao</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> xuhuachao@cqcet.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Tan%2C+Qifeng%22">Tan, Qifeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> duyouwu@jsut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Chang%22">Liu, Chang</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> liuchangcdu@cdu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Du%2C+Youwu%22">Du, Youwu</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Mar2024, Vol. 17 Issue 5, p1178. 25p.
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  Data: <searchLink fieldCode="DE" term="%22Backlash+%28Engineering%29%22">Backlash (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Bifurcation+diagrams%22">Bifurcation diagrams</searchLink><br /><searchLink fieldCode="DE" term="%22Industrial+robots%22">Industrial robots</searchLink><br /><searchLink fieldCode="DE" term="%22Power+spectra%22">Power spectra</searchLink><br /><searchLink fieldCode="DE" term="%22Differential+equations%22">Differential equations</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Rotate vector (RV) reducers have widely been used in high-performance precision drives for industrial robots. However, the current nonlinear dynamic studies on RV reducers are not extensive and require a deeper focus. To bridge this gap, a translational–torsional nonlinear dynamic model for an RV reducer transmission system is proposed. The gear backlash, time-varying mesh stiffness, and comprehensive meshing errors are taken into account in the model. The dimensionless vibration differential equations of the system were derived and solved numerically. By means of bifurcation diagrams, phase trajectories, Poincaré sections, and the power spectrum, the motion state of the system was studied with the bifurcation parameters' variation, including excitation frequency and meshing damping. The results demonstrate that this system presents enriched nonlinear dynamic characteristics under different parameter combinations. The motion state of the system is more susceptible to change at lower frequencies. Increasing the meshing damping coefficient proves effective in suppressing the occurrence of chaos and reducing vibration amplitudes, significantly enhancing the stability of the transmission system. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/en17051178
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 25
        StartPage: 1178
    Subjects:
      – SubjectFull: Backlash (Engineering)
        Type: general
      – SubjectFull: Bifurcation diagrams
        Type: general
      – SubjectFull: Industrial robots
        Type: general
      – SubjectFull: Power spectra
        Type: general
      – SubjectFull: Differential equations
        Type: general
    Titles:
      – TitleFull: Study on Nonlinear Dynamic Characteristics of RV Reducer Transmission System.
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            NameFull: Han, Zhenhua
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            NameFull: Wang, Hao
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            NameFull: Li, Rirong
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            NameFull: Shan, Wentao
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            NameFull: Zhao, Yunda
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          Dates:
            – D: 01
              M: 03
              Text: Mar2024
              Type: published
              Y: 2024
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              Value: 17
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