Advances in non-destructive testing and evaluation has given
rise to the use of embedded structural health monitoring (SHM) for
space structures. Space venturing companies and
governments are looking to utilize the SHM technology to improve their
missions and capabilities of future space vehicles. The need for
modeling and analyzing data for SHM purposes increases with the
increased interest in the field. With many different entities pursuing
many different avenues to perform SHM it is important to create tools
that can guide practical SHM applications. Piezoelectric
transducers have seen much use in the field due to their ability to
perform as sensors and actuators. The transducers can be used as
active components to determine damage to a structure using electro-mechanical impedance methods. The research
presented insights into creating tools for real-time electro-mechanical impedance SHM. The electro-mechanical
impedance tool investigates the use of a circuit simulation
to model the electro-mechanical response of a piezoelectric
and a structure. Various elements of the circuit modeling are discussed and practical applications to modeling both sensor and structure are given.
Andrei N. Zagrai and Matthew A. Campisi, "Real-time tools and modeling for electro-mechanical impedance structural health monitoring (Conference Presentation)," Proc. SPIE 10600, Health Monitoring of Structural and Biological Systems XII, 106000S (Presented at SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring: March 06, 2018; Published: 3 April 2018); https://doi.org/10.1117/12.2300995.5763086062001.
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