Review of guided-wave structural health monitoring

The Shock and Vibration Digest Pub Date : 2007-03-01 DOI:10.1177/0583102406075428

A. Raghavan, C. E. Cesnik

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引用次数: 1035

Abstract

In this paper we present the state of the art in the field of guided-wave structural health monitoring (SHM). We begin with an overview of damage prognosis, and a description of the basic methodology of guided-wave SHM. We then review developments from the open literature in various aspects of this truly multidisciplinary field. First, we discuss different transducer technologies, including both piezoelectric and non-conventional popular and non-conventional piezoelectric transducers. Next, we examine guided-wave theory, tracing its early history down to modern developments. Following this, we detail the efforts into models for guided-wave excitation by SHM transducers. Then, we review several signal processing related works. The next topic in Section 6 is guided-wave SHM system development, and we explore various packaging ideas, integrated solutions and efforts to examine robustness to different service conditions. We also highlight the broad spectrum of applications in which this technology has been tested. We then present some investigations that have attempted to combine guided-wave approaches with other complementary SHM technologies for better system performance. Finally, we propose desirable developments for further advancement of this field.

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导波结构健康监测技术综述

本文介绍了导波结构健康监测(SHM)领域的最新进展。我们首先概述了损伤预测，并描述了导波SHM的基本方法。然后，我们回顾了开放文献在这个真正的多学科领域的各个方面的发展。首先，我们讨论了不同的传感器技术，包括压电和非传统的流行和非传统的压电传感器。接下来，我们研究导波理论，追溯其早期历史直至现代发展。接下来，我们详细介绍了SHM换能器激发导波的模型。然后，我们回顾了一些信号处理的相关工作。第6节的下一个主题是导波SHM系统的开发，我们将探讨各种封装思想、集成解决方案以及在不同服务条件下检验鲁棒性的努力。我们还强调了该技术已被测试的广泛应用。然后，我们提出了一些研究，试图将导波方法与其他互补的SHM技术结合起来，以获得更好的系统性能。最后，提出了该领域进一步发展的方向。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Shock and Vibration Digest

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