A highly-integrated CMOS transceiver for active structural health monitoring

Tang, Xinyao; Zhao, Haixiang; Mandal, Soumyajit

doi:10.1109/naecon.2016.7856787

Cited by 7 publications

(2 citation statements)

References 9 publications

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“…Furthermore, the proposed signal chain is easy to implement even in a more compact and replicable technology, such as ASIC or custom chip. The advantages of the integrated electronic design for the sensor node are well described in the articles by Tang et al [52,53]. To reduce the footprint of a custom IC, it is necessary to keep in mind the difficulty of integrating the passive components used in active filters; in the project presented here, capacitor values lower than 5nF have been adopted.…”

Section: Resultsmentioning

confidence: 99%

A Versatile Analog Electronic Interface for Piezoelectric Sensors Used for Impacts Detection and Positioning in Structural Health Monitoring (SHM) Systems

Capineri

Bulletti

2021

Electronics

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Continuous monitoring of mechanical impacts is one of the goals of modern SHM systems using a sensor network installed on a structure. For the evaluation of the impact position, there are generally applied triangulation techniques based on the estimation of the differential time of arrival (DToA). The signals generated by impacts are multimodal, dispersive Lamb waves propagating in the plate-like structure. Symmetrical S0 and antisymmetrical A0 Lamb waves are both generated by impact events with different velocities and energies. The discrimination of these two modes is an advantage for impact positioning and characterization. The faster S0 is less influenced by multiple path signal overlapping and is also less dispersive, but its amplitude is generally 40–80 dB lower than the amplitude of the A0 mode. The latter has an amplitude related to the impact energy, while S0 amplitude is related to the impact velocity and has higher frequency spectral content. For these reasons, the analog front-end (AFE) design is crucial to preserve the information of the impact event, and at the same time, the overall signal chain must be optimized. Large dynamic range ADCs with high resolution (at least 12-bit) are generally required for processing these signals to retrieve the DToA information found in the full signal spectrum, typically from 20 kHz to 500 kHz. A solution explored in this work is the design of a versatile analog front-end capable of matching the different types of piezoelectric sensors used for impact monitoring (piezoceramic, piezocomposite or piezopolymer) in a sensor node. The analog front-end interface has a programmable attenuator and three selectable configurations with different gain and bandwidth to optimize the signal-to-noise ratio and distortion of the selected Lamb wave mode. This interface is realized as a module compatible with the I/O of a 16 channels real-time electronic system for SHM previously developed by the authors. High-frequency components up to 270 kHz and lower-frequency components of the received signals are separated by different channels and generate high signal-to-noise ratio signals that can be easily treated by digital signal processing using a single central unit board with ADC and FPGA.

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Section: Resultsmentioning

confidence: 99%

A Versatile Analog Electronic Interface for Piezoelectric Sensors Used for Impacts Detection and Positioning in Structural Health Monitoring (SHM) Systems

Capineri

Bulletti

2021

Electronics

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“…Even though currently some dedicated equipment [22][23][24] is available, it is typical to use generic equipment, such as general-purpose oscilloscopes and signal generators, to perform the tests. However, in this research, a self-developed SHM ultrasound system (SHMUS) was considered [25].…”

Section: Methodsmentioning

confidence: 99%

Methodology for Detecting Progressive Damage in Structures Using Ultrasound-Guided Waves

Aranguren

Bilbao

Etxaniz

et al. 2022

Sensors

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Damage detection in structural health monitoring of metallic or composite structures depends on several factors, including the sensor technology and the type of defect that is under the spotlight. Commercial devices generally used to obtain these data neither allow for their installation on board nor permit their scalability when several structures or sensors need to be monitored. This paper introduces self-developed equipment designed to create ultrasonic guided waves and a methodology for the detection of progressive damage, such as corrosion damage in aircraft structures, i.e., algorithms for monitoring such damage. To create slowly changing conditions, aluminum- and carbon-reinforced polymer plates were placed together with seawater to speed up the corrosion process. The setup was completed by an array of 10 piezoelectric transducers driven and sensed by a structural health monitoring ultrasonic system, which generated 100 waveforms per test. The hardware was able to pre-process the raw acquisition to minimize the transmitted data. The experiment was conducted over eight weeks. Three different processing stages were followed to extract information on the degree of corrosion: hardware algorithm, pattern matching, and pattern recognition. The proposed methodology allows for the detection of trends in the progressive degradation of structures.

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Ultrasound-based structural health monitoring methodology employing active and passive techniques

Etxaniz

Aranguren

Gil-García

et al. 2023

Engineering Failure Analysis

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A highly-integrated CMOS transceiver for active structural health monitoring

Cited by 7 publications

References 9 publications

A Versatile Analog Electronic Interface for Piezoelectric Sensors Used for Impacts Detection and Positioning in Structural Health Monitoring (SHM) Systems

A Versatile Analog Electronic Interface for Piezoelectric Sensors Used for Impacts Detection and Positioning in Structural Health Monitoring (SHM) Systems

Methodology for Detecting Progressive Damage in Structures Using Ultrasound-Guided Waves

Ultrasound-based structural health monitoring methodology employing active and passive techniques

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