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Vibration sensor for the health monitoring of the large rotating machinery: Review and outlook
Purpose At present, one of the key equipment in pillar industries is a large rotating
machinery. Conducting regular health monitoring is important for ensuring safe operation of …
machinery. Conducting regular health monitoring is important for ensuring safe operation of …
Fibre optic sensors for the monitoring of rotating electric machines: a review
Accurate and efficient monitoring of electrical machine (EM) operating parameters, including
temperature, mechanical vibration, torque and rotating speed and others that can indicate …
temperature, mechanical vibration, torque and rotating speed and others that can indicate …
[HTML][HTML] Phase stability control of optical fiber partial discharge ultrasonic sensing system
C **ng, Q Zang, R He, J Zhao, L Wang, L Dai, R Shi… - Sensors, 2022 - mdpi.com
Optic fiber interferometers are highly sensitive ultrasonic sensors for partial discharge
detection. However, low-frequency vibration and environmental noise will disturb the …
detection. However, low-frequency vibration and environmental noise will disturb the …
Real-time polarimetric optical high-voltage sensor using phase-controlled demodulation
Modern smart grid designs demand reliable sensors throughout the power delivery systems,
not only to monitor the quality of the electrical energy generated by different technologies …
not only to monitor the quality of the electrical energy generated by different technologies …
FPGA-Based Hardware Implementation of Homodyne Demodulation for Optical Fiber Sensors
Homodyne demodulation is a convenient technique for signal detection in interferometric
sensors. The demodulation process is typically developed using analog circuits. However, to …
sensors. The demodulation process is typically developed using analog circuits. However, to …
Real-time single analog output for quadrature phase interferometry
C Barraud, L Garcia, B Cross… - … Science and Technology, 2017 - iopscience.iop.org
We present a dynamic displacement sensor based on a quadrature phase interferometer,
providing a real-time analog output of the differential displacement between two mobile …
providing a real-time analog output of the differential displacement between two mobile …
Digital control system for two-beam optical interferometry using variable structure and sliding modes method
Laser interferometry is recognized as an extremely sensitive measurement technique,
capable of detecting quantities that conventional sensors usually cannot. However, such …
capable of detecting quantities that conventional sensors usually cannot. However, such …
Polarimetric optical high-voltage sensor using synthetic-heterodyne demodulation and Hilbert transform with gain control feedback
Optical voltage sensors are widely used for high-voltage (HV) sensing, but the measurement
accuracy is often compromised by a sensitivity drift due to variations in the ambient …
accuracy is often compromised by a sensitivity drift due to variations in the ambient …
[PDF][PDF] FPGA-Based Hardware Implementation of Homodyne Demodulation for Optical Fiber Sensors. Photonics 2023, 10, 258
A Jiménez, Á Sauceda, A Muñoz, J Duarte, J Mireles Jr - 2023 - academia.edu
Homodyne demodulation is a convenient technique for signal detection in interferometric
sensors. The demodulation process is typically developed using analog circuits. However, to …
sensors. The demodulation process is typically developed using analog circuits. However, to …
Exact and real-time vibration measurement with a laser interferometer using a feedback control system
M Thein, O Sasaki - OSA Continuum, 2019 - opg.optica.org
Real-time vibration measurement with a high accuracy is described in which a He-Ne laser
interferometer and a feedback control system are used. The measured vibration waveform is …
interferometer and a feedback control system are used. The measured vibration waveform is …