Results 1 to 10 of about 6,632,566 (235)
Characterization of the iPhone LiDAR-Based Sensing System for Vibration Measurement and Modal Analysis. [PDF]
Sensors (Basel), 2023 Portable depth sensing using time-of-flight LiDAR principles is available on iPhone 13 Pro and similar Apple mobile devices. This study sought to characterize the LiDAR sensing system for measuring full-field vibrations to support modal analysis.
Tondo GR, Riley C, Morgenthal G.
europepmc +2 more sources
An In-Line Fiber Optic Fabry-Perot Sensor for High-Temperature Vibration Measurement. [PDF]
Micromachines (Basel), 2020 An in-line fiber optic Fabry–Perot (FP) sensor for high-temperature vibration measurement is proposed and experimentally demonstrated in this paper. We constructed an FP cavity and a mass on single-mode fibers (SMFs) by fusion, and together they were ...
Chen D +7 more
europepmc +2 more sources
Nanometer-Scale Vibration Measurement Using an Optical Quadrature Interferometer based on 3 × 3 Fiber-Optic Coupler. [PDF]
Sensors (Basel), 2020 We propose a nanometer-scale displacement or vibration measurement system, using an optical quadrature interferometer and the post-processing technique that extracts the parameters necessary for characterizing the interferometric system.
Park S, Lee J, Kim Y, Lee BH.
europepmc +2 more sources
Shock and Vibration, 2019 The vibration measurement location is the basis for effective monitoring of aeroengine vibration conditions. Measurement locations need to reflect the vibration of the rotor sufficiently, while complex structures of the aeroengine bring many excitation ...
Lanlan Hou, Shuqian Cao
doaj +2 more sources
PVDF Nanofiber Sensor for Vibration Measurement in a String. [PDF]
Sensors (Basel), 2019 Flexible, self-powered and miniaturized sensors are extensively used in the areas of sports, soft robotics, health care and communication devices.
Singh RK, Lye SW, Miao J.
europepmc +2 more sources
Development of a High-Sensitivity Optical Accelerometer for Low-Frequency Vibration Measurement. [PDF]
Sensors (Basel), 2018 Low-frequency vibration is a harmful factor that affects the accuracy of micro/nano-measuring machines. Low-frequency vibration cannot be completely eliminated by passive control methods, such as the use of air-floating platforms.
Li RJ +4 more
europepmc +2 more sources
Magnetic Vibration Measurement [PDF]
Measurement + Control, 2000 Ch Schott, R Racz, R S Popovic
doaj +2 more sources
Vibration Propagation Characteristics of Micro-Milling Tools
Machines, 2022 Micro-milling tools are usually used for the 3D precision processing of micro metal parts under ultra-high speed. However, due to the structural characteristics of small scale, variable cross-section, and weak stiffness, the vibration of micro-milling ...
Binghui Jia
doaj +1 more source
Deep Learning Enhanced Long-Range Fast BOTDA for Vibration Measurement
Journal of Lightwave Technology, 2022 In this paper, we propose and experimentally demonstrate a scheme of deep learning enhanced long-range fast Brillouin optical time-domain analysis (BOTDA).
Hua Zheng +4 more
semanticscholar +1 more source
Shock and Vibration, 2022 The perfection of methods and means of nondestructive testing and technical diagnostics is determined by the level of development of science and modern industrial technologies.
Evgeny A. Burda +3 more
doaj +1 more source