2022
DOI: 10.3390/app12083994
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Optical Accelerometers for Detecting Low-Frequency Micro-Vibrations

Abstract: Optical accelerometers are high-precision inertial sensors that use optical measurement technology to achieve high-precision and electromagnetic interference-resistant acceleration measurements. With the intensive research and development of optical accelerometers in recent years, their applications in inertial navigation, structural health monitoring, precision vibration isolation systems, wind turbine fault monitoring, earthquake monitoring, and other low-frequency vibration detection have flourished. Optica… Show more

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Cited by 14 publications
(4 citation statements)
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“…Accelerometers prove to be efficient instruments for detecting vibrations. Several studies have been conducted with accelerometers, starting from the structure analysis to identify the weathering and excitation agents affecting the buildings [21][22][23]34,35] Positioned on curtain wall façades, they detect dynamic forces such as wind or seismic activity, providing insights into structural health by converting vibrations into electrical signals for frequency, amplitude, and duration analysis [35]. Indeed, in this research, accelerometers were used with the following two aims: The first was to evaluate the structural status of the curtain wall façade, performing a modal analysis-one before the tests of compliance and the other one at the end of the tests.…”
Section: Analysis Of Façade Structural Stressmentioning
confidence: 99%
“…Accelerometers prove to be efficient instruments for detecting vibrations. Several studies have been conducted with accelerometers, starting from the structure analysis to identify the weathering and excitation agents affecting the buildings [21][22][23]34,35] Positioned on curtain wall façades, they detect dynamic forces such as wind or seismic activity, providing insights into structural health by converting vibrations into electrical signals for frequency, amplitude, and duration analysis [35]. Indeed, in this research, accelerometers were used with the following two aims: The first was to evaluate the structural status of the curtain wall façade, performing a modal analysis-one before the tests of compliance and the other one at the end of the tests.…”
Section: Analysis Of Façade Structural Stressmentioning
confidence: 99%
“…Piezoelectric film accelerometers [8,9], optical accelerometers [10], and MEMS [11][12][13] offer superior performance compared to piezoelectric crystal accelerometers. However, due to their intricate manufacturing processes and higher costs, mature products in the seismic exploration market are relatively scarce.…”
Section: Introductionmentioning
confidence: 99%
“…or precision instruments (optical interferometers, space telescopes, etc.) with complex vibration isolation systems [19][20][21][22][23][24][25], a single-stage vibration isolation system often leads to resonant peaks and standing wave effects at high frequencies [26][27][28][29], which cannot meet the vibration isolation requirements. A dual-stage vibration isolation system draws great interest owing to its better high-frequency effect and higher stability [30][31][32][33][34][35][36].…”
Section: Introductionmentioning
confidence: 99%