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Research on the optimization of traveling wave rotary ultrasonic motor stators.

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Title: Research on the optimization of traveling wave rotary ultrasonic motor stators.
Authors: Wu, Yahang1 (AUTHOR), Tang, Haoyu1 (AUTHOR), Yang, Jiyue1 (AUTHOR), Zhang, Haoran1 (AUTHOR), Wu, Liguo2 (AUTHOR), Chen, Bo1 (AUTHOR) 202383230070@sdust.edu.cn
Source: Electrical Engineering. Jul2025, Vol. 107 Issue 7, p9249-9262. 14p.
Subjects: Ultrasonic motors, Stators, Optimization algorithms, Mechanical vibration research, Sensitivity analysis, Experimental design, Mechanical efficiency
Abstract: To further optimize the traveling wave rotary ultrasonic motor and enhance its performance and efficiency, this paper proposes a T-shaped tooth stator structure model. A vibration characteristic simulation analysis of the T-shaped tooth stator is conducted, with the traditional rectangular tooth stator structure used as a comparison to indirectly demonstrate the feasibility of this concept. Subsequently, an optimization objective function is established, and key parameters are progressively identified through sensitivity analysis and the Plackett–Burman design method. The Box-Behnken design method is then employed to produce various design schemes with differing dimensions, optimizing the stator dimensions. Upon selecting the optimal scheme, the frequency differences between the working mode of the T-shaped tooth and adjacent interference modes increased by 8.2% and 4.7%, respectively, while the working mode amplitude increased by 16.1%. Finally, an experimental validation platform was constructed based on simulation analysis. Mechanical output characteristic tests revealed that, under a preload of 50 N and a driving voltage of 100 Vpp, the prototype achieved a maximum rotational speed of approximately 122 rpm and a stall torque of about 1.1 N∙m. These results confirm that the design effectively enhances the performance and efficiency of the traveling wave rotary ultrasonic motor, indicating promising application prospects. [ABSTRACT FROM AUTHOR]
Copyright of Electrical Engineering is the property of Springer Nature 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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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Research on the optimization of traveling wave rotary ultrasonic motor stators.
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  Data: <searchLink fieldCode="AR" term="%22Wu%2C+Yahang%22">Wu, Yahang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tang%2C+Haoyu%22">Tang, Haoyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Jiyue%22">Yang, Jiyue</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Haoran%22">Zhang, Haoran</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Liguo%22">Wu, Liguo</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Bo%22">Chen, Bo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 202383230070@sdust.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Electrical+Engineering%22">Electrical Engineering</searchLink>. Jul2025, Vol. 107 Issue 7, p9249-9262. 14p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Ultrasonic+motors%22">Ultrasonic motors</searchLink><br /><searchLink fieldCode="DE" term="%22Stators%22">Stators</searchLink><br /><searchLink fieldCode="DE" term="%22Optimization+algorithms%22">Optimization algorithms</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+vibration+research%22">Mechanical vibration research</searchLink><br /><searchLink fieldCode="DE" term="%22Sensitivity+analysis%22">Sensitivity analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Experimental+design%22">Experimental design</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+efficiency%22">Mechanical efficiency</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To further optimize the traveling wave rotary ultrasonic motor and enhance its performance and efficiency, this paper proposes a T-shaped tooth stator structure model. A vibration characteristic simulation analysis of the T-shaped tooth stator is conducted, with the traditional rectangular tooth stator structure used as a comparison to indirectly demonstrate the feasibility of this concept. Subsequently, an optimization objective function is established, and key parameters are progressively identified through sensitivity analysis and the Plackett–Burman design method. The Box-Behnken design method is then employed to produce various design schemes with differing dimensions, optimizing the stator dimensions. Upon selecting the optimal scheme, the frequency differences between the working mode of the T-shaped tooth and adjacent interference modes increased by 8.2% and 4.7%, respectively, while the working mode amplitude increased by 16.1%. Finally, an experimental validation platform was constructed based on simulation analysis. Mechanical output characteristic tests revealed that, under a preload of 50 N and a driving voltage of 100 Vpp, the prototype achieved a maximum rotational speed of approximately 122 rpm and a stall torque of about 1.1 N∙m. These results confirm that the design effectively enhances the performance and efficiency of the traveling wave rotary ultrasonic motor, indicating promising application prospects. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Electrical Engineering is the property of Springer Nature 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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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1007/s00202-025-02970-7
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      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 9249
    Subjects:
      – SubjectFull: Ultrasonic motors
        Type: general
      – SubjectFull: Stators
        Type: general
      – SubjectFull: Optimization algorithms
        Type: general
      – SubjectFull: Mechanical vibration research
        Type: general
      – SubjectFull: Sensitivity analysis
        Type: general
      – SubjectFull: Experimental design
        Type: general
      – SubjectFull: Mechanical efficiency
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      – TitleFull: Research on the optimization of traveling wave rotary ultrasonic motor stators.
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          Name:
            NameFull: Wu, Yahang
      – PersonEntity:
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            NameFull: Tang, Haoyu
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            NameFull: Yang, Jiyue
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            NameFull: Zhang, Haoran
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            NameFull: Wu, Liguo
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            – D: 01
              M: 07
              Text: Jul2025
              Type: published
              Y: 2025
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              Value: 107
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