A double B1-mode 4-layer laminated piezoelectric linear motor

Xiaotian Li, Zhijiang Chen, Shuxiang Dong

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We report a miniature piezoelectric ultrasonic linear motor that is made of four Pb(Zr,Ti)O3 (PZT) piezoelectric ceramic layers for low-voltage work. The 4-layer piezoelectric laminate works in two orthogonal first-bending modes for producing elliptical oscillations, which are then used to drive a contacting slider into continuous linear motion. Experimental results show that the miniature linear motor (size: 4 × 4 × 12 mm, weight: 1.7 g) can generate a large driving force of 0.48 N and a linear motion speed of up to 160 mm/s, using a 40 Vpp/mm voltage drive at its resonance frequency of 64.5 kHz. The maximum efficiency of the linear motor is 30%.

Original languageEnglish (US)
Article number6373798
Pages (from-to)2752-2757
Number of pages6
JournalIEEE transactions on ultrasonics, ferroelectrics, and frequency control
Volume59
Issue number12
DOIs
StatePublished - Dec 18 2012

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Piezoelectric motors
Linear motors
Piezoelectric ceramics
piezoelectric ceramics
Electric potential
chutes
low voltage
laminates
Laminates
ultrasonics
Ultrasonics
oscillations
electric potential

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Acoustics and Ultrasonics
  • Instrumentation

Cite this

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abstract = "We report a miniature piezoelectric ultrasonic linear motor that is made of four Pb(Zr,Ti)O3 (PZT) piezoelectric ceramic layers for low-voltage work. The 4-layer piezoelectric laminate works in two orthogonal first-bending modes for producing elliptical oscillations, which are then used to drive a contacting slider into continuous linear motion. Experimental results show that the miniature linear motor (size: 4 × 4 × 12 mm, weight: 1.7 g) can generate a large driving force of 0.48 N and a linear motion speed of up to 160 mm/s, using a 40 Vpp/mm voltage drive at its resonance frequency of 64.5 kHz. The maximum efficiency of the linear motor is 30{\%}.",
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A double B1-mode 4-layer laminated piezoelectric linear motor. / Li, Xiaotian; Chen, Zhijiang; Dong, Shuxiang.

In: IEEE transactions on ultrasonics, ferroelectrics, and frequency control, Vol. 59, No. 12, 6373798, 18.12.2012, p. 2752-2757.

Research output: Contribution to journalArticle

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