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Predictive Methodologies for the Design of Lamb-Wave Piezoelectric Wafer Active Sensors for Structural Health Monitoring, Damage Detection and Failure Prevention

Predictive Methodologies for the Design of Lamb-Wave Piezoelectric Wafer Active Sensors for Structural Health Monitoring, Damage Detection and Failure Prevention
用于结构健康监测、损坏检测和故障预防的兰姆波压电晶片有源传感器设计的预测方法
批准号:
0408578
负责人:
Victor Giurgiutiu
金额:
$0.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2004
资助国家:
美国
项目状态:
已结题
起止时间:
2004-04-15 至 2009-12-31

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中文摘要
翻译
0408578PI:南卡罗来纳州大学维克多·朱尔吉乌特这项提案涉及使用主动传感器进行结构健康监测。考虑的特殊类型的传感器是压电晶片有源传感器(PWAS)。拟议的研究涉及PWAS换能器和宿主结构之间兰姆波相互作用的基本方面。其目的是为这类传感器的优化设计开发一种预测性方法。主要包括三个问题:1.各种Lamb模式的微机械耦合;2.宽带PWAS换能器的兰姆波调谐;3.PWAS换能器的就地导纳和最优功率流。
英文摘要
0408578PI: Victor GiurgiutiuUniv South CarolinaThis proposal deals with structural health monitoring with active sensors. The particular type of sensors considered is the piezoelectric wafer active sensors (PWAS). The proposed study addresses fundamental aspects of the Lamb-wave interaction between the PWAS transducers and the host structure. The objective is to develop a predictive methodologies for optimum design of such sensors. Three main issues are included: 1. Micromechanical coupling for various Lamb modes, 2. Lamb-wave tuning with broadband PWAS transducers, and 3. in-situ immittance pf PWAS transducers and optimal power flow.A well-balanced educational enhancement component is embedded in this research project.
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会议论文
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