Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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An Optimum Design of Flat-type $L_{1}-B){8}$ Mode Ultrasonic Motors Using FEM Simulation

유한요소해석 시뮬레이션을 이용한 평판형 $L_{1}-B){8}$ 모드 초음파 전동기의 최적 설계

  • 우상호 (한국교원대학교 기술교육과) ;
  • 김우태 (한국교원대학교 기술교육과) ;
  • 신순인 (한국교원대학교 기술교육과) ;
  • 김진수 (한국교원대학교 기술교육과) ;
  • 사정우 (기초과학지원연구소 연구원) ;
  • 김기수 (충남대학교 기술교육과)
  • Published : 2001.07.01
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Abstract

A flat-type L$_1$-B$_{8}$ Mode Ultrasonic motor(USM) uses longitudinal-bending multi-mode vibrator which is constructed with the metal-piezoceramic composite thin plate vibrator. Especially, the characteristics of vibrating displacement of the vibrator are important for the fabrication of USM. So, in this study, we tried to analyze them by the FEM(finite element method) simulation program. ANSYS 5.6 we used is a finite element software enabling the analysis of 2 or 3 dimensional structure of piezoelectric materials. Using this made us analyzing the resonance frequency and calculating displacement of vibrator and then the position of the projection.n.

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