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분극방향과 재료분포의 연속적 근사방법을 고려한 압전형 액추에이터의 구조설계
Structural Design of Piezoelectric Actuator Considering Polarization Direction and Continuous Approximation of Material Distribution

임영석   (한양대학교 대학원 기계설계학과UU0001519  ); 유정훈   (연세대학교 기계공학부UU0000936  ); 민승재   (한양대학교 기계공학부UU0001519  );
  • 초록

    In this paper, the polarization of piezoelectric materials is considered to improve actuation since the piezoelectric polarization has influences on the performance of the actuator. The topology design of compliant mechanism can be formulated as an optimization problem of material distribution in a fixed design domain and continuous approximation of material distribution (CAMD) method has demonstrated its effectiveness to prevent the numerical instabilities in topology optimization. The optimization problem is formulated to maximize the mean transduction ratio subject to the total volume constraints and solved using a sequential linear programming algorithm. The effect of CAMD and the performance improvement of actuator are confirmed through Moonie actuator and PZT suspension design.


  • 주제어

    위상최적설계 .   압전형 액추에이터 .   분극방향 .   균질화설계법 .   밀도법 .   재료분포의 연속적 근사.  

  • 참고문헌 (18)

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    1. 2006 "재료분포의 연속적인 근사를 이용한 위상최적설계 방법의 비교 연구" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A 30 (2): 164~170    
  • 유정훈 (18)

  • 민승재 (31)

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