Ultrasonic linear motors using a multilayered piezoelectric actuator

Kenji Uchino, Koichiro Kato, Masayuki Tohdat

Research output: Contribution to journalArticlepeer-review

34 Scopus citations


A new type of linear motor using a multilayered piezoelectric actuator has been developed in which a mechanically resonating part slides on a stationary rail. The slider consists of a multilayered piezoelectric actuator and an elastic vibratory fork bonded together. The key to obtaining a smooth movement is to realize a slight shift in the resonance frequency of each leg of the fork so that the moving direction can be controlled by changing the drive frequency.

Original languageEnglish (US)
Pages (from-to)331-334
Number of pages4
Issue number1
StatePublished - Nov 1988

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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