In this paper, a 2-DOF electromechanical impedance model of PZT material-aluminum interface member is proposed. The primary motivation is to control the effective frequency range in impedance-based local health monitoring practices. The proposed method focuses on the predetermination of the effective frequency band and the wireless impedance sensing possibility for damage detection in structural connections like tendon anchorage, etc. Firstly, a 2-DOF impedance model is proposed for modelling the PZT interface-host structure system. Secondly, the prototype design of the PZT interface is developed based on the analysis of the 2-DOF impedance model and the local dynamic characteristics of the composite aluminum interface-host structure system. Finally, the feasibility of the proposed 2-DOF impedance model is numerically verified by predetermining the effective frequency band for the impedance monitoring in a cable-anchorage connection.

1. 서 론
 2. 텐던 정착부의 임피던스 응답 모델
  2.1 전기역학적 임피던스 응답의 기본이론
  2.2 PZT 인터페이스-대상구조물의 2 자유도계 임피던스 응답 모델
  2.3 임피던스 응답 모델의 수치 검증
 3. 압전 PZT 소자-알루미늄 인터페이스의설계
  3.1 압전 PZT 인터페이스의 설계 개념
  3.2 진동모드특성 분석을 통한 PZT 인터페이스설계
 4. PZT 인터페이스를 이용한 케이블정착부의 임피던스 모니터링
  4.1 케이블 정착부 수치모델링
  4.2 텐던 정착부의 임피던스 모니터링
 5. 요약 및 결론
 REFERENCES

• 김정태(부경대학교 해양공학과 교수) | Kim Jeong-Tae Corresponding author
• Huynh Thanh-Canh(부경대학교 해양공학과 박사과정)