Space Application of Piezoelectric Wafer Active Sensors for Structural Health Monitoring

被引：37
作者：
Giurgiutiu, V. [1 ]
Lin, B. [1 ]
Santoni-Bottai, G. [1 ]
Cuc, A. [1 ]
机构：
[1] Univ S Carolina, Columbia, SC 29208 USA
来源：
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 2011年 / 22卷 / 12期
基金：
美国国家科学基金会;
关键词：
structural health monitoring; piezoelectric; sensors; PWAS; SHM; space applications; satellites; space vehicles; international space station; orbital plane;
D O I：
10.1177/1045389X11416029
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Piezoelectric wafer active sensors (PWAS) are lightweight and inexpensive enablers for a large class of structural health monitoring (SHM) applications. This paper presents and discusses the challenges and opportunities related to the use of PWAS in the structures specific to space applications. The challenges posed by space structures are often different from those encountered in conventional structures. After a review of PWAS principles, the paper discusses the multi-physics power and energy transduction between structurally guided waves and PWAS; predictive modeling results using a simplified analytical approach are presented. Experimental results on space-like specimen structures are presented. Survivability of PWAS transducers under cryogenic space-like conditions is experimentally verified. The paper ends with conclusions and suggestions for further work.
引用
收藏
页码：1359 / 1370
页数：12
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