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Advances in Linear Ultrasonic Motors.

Zhiling Liu1, Qiufeng Yan2,3, Qingyu Liu4

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Summary
This summary is machine-generated.

Linear ultrasonic motors (LUSMs) offer high-precision actuation. Standing wave LUSMs outperform traveling wave types in speed and force, driving advancements in various fields.

Keywords:
LUSMsdevelopment trendprogress in applicationstanding wavetraveling wave

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Area of Science:

  • Mechatronics
  • Robotics
  • Actuation Systems

Background:

  • Linear ultrasonic motors (LUSMs) are crucial for high-precision actuation.
  • They offer advantages like simple structure, high control accuracy, and direct linear motion.

Purpose of the Study:

  • To classify LUSMs based on wave modes (traveling vs. standing waves).
  • To elaborate on working principles, structural characteristics, and performance parameters.
  • To summarize applications and outline future development trends.

Main Methods:

  • Classification of LUSMs into traveling wave (TWLUSMs) and standing wave (SWLUSMs) types.
  • Detailed explanation of working principles for both TWLUSMs and SWLUSMs.
  • Comparative analysis of structural characteristics and performance parameters.

Main Results:

  • TWLUSMs are categorized into straight and annular beam types.
  • SWLUSMs are classified into single-foot and multi-foot types.
  • SWLUSMs demonstrate superior output speed and force compared to TWLUSMs.

Conclusions:

  • LUSMs are vital in biomedicine, deep-sea exploration, aerospace, and precision manufacturing.
  • Future trends include miniaturization, lightweighting, extreme environment adaptability, and intelligent upgrades.
  • This review serves as a comprehensive reference for LUSM design, performance, and application expansion.