Embedded-ultrasonics Structural Radar for In Situ Structural Health Monitoring of Thin-wall Structures
نویسندگان
چکیده
منابع مشابه
Embedded-ultrasonics Structural Radar for In Situ Structural Health Monitoring of Thin-wall Structures
Embedded-ultrasonics structural radar (EUSR) is a new concept and methodology for in situ nondestructive evaluation (NDE) and structural health monitoring (SHM) of thin-wall structures. EUSR consists of: (a) an array of piezoelectric wafer active sensors (PWAS) embedded into the structure; and (b) electronic modules for signal transmission/reception, processing, and interpretation. EUSR utilize...
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The capability of embedded piezoelectric wafer active sensors (PWAS) to perform in-situ ultrasonic nondestructive evaluation (NDE) is explored. Laboratory tests are used to prove that PWAS can satisfactorily perform Lamb wave transmission and reception. Subsequently, pulse-echo method for crack detection in an aircraft panel is illustrated. For large area scanning, a PWAS phased array is used t...
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Embedded-Ultrasonics Structural Radar (EUSR) is a new concept and methodology for in-situ nondestructive evaluation (NDE) of thinwall structures. EUSR utilizes (a) a Piezo Wafer Active Sensors (PWAS) array embedded onto the structure; and (b) electronic modules for signal transmission/reception, processing, and interpretation. The EUSR methodology is developed as an extension of our previous wo...
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The aging of aerospace structures is a major current concern of civilian and military aircraft operators. Piezoelectric active sensors offer special opportunities for developing sensor arrays for in-situ health monitoring of aging aircraft fleet, because they are small, non-invasive, inexpensive and easily wired into sensor arrays. This paper presents work done on developing and utilizing piezo...
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ژورنال
عنوان ژورنال: Structural Health Monitoring
سال: 2004
ISSN: 1475-9217,1741-3168
DOI: 10.1177/1475921704042697