A novel driver with adjustable frequency and phase for traveling-wave type ultrasonic motor

Tien Chi Chen, Chih Hsien Yu, Mi-Ching Tsai

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

This paper describes the design of a traveling-wave ultrasonic motor (TWUSM) drive circuit, intended to simultaneously employ both driving frequency and phase modulation control. The operating principles and a detailed analysis of the proposed driving circuit, consisting of voltage-controlled oscillator (VCO), voltage-controlled phase-shifter circuit and non-resonant power amplifier converter, are introduced. To drive the USM effectively, a two-phase power amplifier converter using non-resonant output was designed to provide a balanced two-phase voltage source. Two-phase output driving voltages could be maintained at the same peak voltage value as the driving frequency under varying phase-modulation processes. Detailed experimental results are provided to demonstrate the effectiveness of the proposed driving circuit.

Original languageEnglish
Pages (from-to)709-713
Number of pages5
JournalJournal of the Chinese Institute of Engineers, Transactions of the Chinese Institute of Engineers,Series A/Chung-kuo Kung Ch'eng Hsuch K'an
Volume31
Issue number4
DOIs
Publication statusPublished - 2008 Jan 1

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Ultrasonics
Phase modulation
Electric potential
Power amplifiers
Networks (circuits)
Phase shifters
Ultrasonic waves
Variable frequency oscillators
Frequency modulation

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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