CPLD-Based Displacement Measurement System for Nanoscale Grating Ruler
Journal of Chemistry, 2020 With the continuous development of science and technology, industrial production has higher and higher requirements for precision. Many high-precision measurement technologies emerge as the times require, and nanoscale grating ruler displacement ...
Jiyuan Sun, Chunlin Tian
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An underground three-dimensional displacement measurement system
MATEC Web of Conferences, 2018 With the development of society, the damage of geological disaster to people's life and property is more serious, so the improvement of monitoring means of geological disaster is particularly urgent, there are some shortcomings in traditional monitoring ...
Cheng Yifeng +3 more
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Modeling Displacement Measurement using Vibration Transducers [PDF]
Journal of Electrical and Electronics Engineering, 2014 This paper presents some aspects regarding to small displacement measurement using vibration transducers. Mechanical faults, usages, slackness’s, cause different noises and vibrations with different amplitude and frequency against the normal sound and ...
AGOSTON Katalin
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Single-Camera-Based Bridge Structural Displacement Measurement with Traffic Counting. [PDF]
Sensors (Basel), 2021 Vision-based structural displacement methods allow convenient monitoring of civil structures such as bridges, though they are often limited due to the small number of measurement points, constrained spatial resolution, and inability to identify the ...
Aliansyah Z +4 more
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A New 2D Displacement Measurement Method Based on an Eddy Current Sensor and Absolute Encoding
Machines, 2022 A new method of two-dimensional (2D) plane displacement measurement based on an eddy current sensor is proposed in this paper. A series of grooves with different widths and depths are graved on the linear displacement table to form 2D absolute coding ...
Kunlong Ma +4 more
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A Laser Triangulation Displacement Sensor Based on a Cylindrical Annular Reflector
Photonics, 2023 The ellipticity of the spot caused by laser jitter has a significant effect on the measurement accuracy of the traditional laser triangulation method. In order to overcome the influence of laser characteristics on measurement and improve the accuracy of ...
Jiaqi Li, Wei Tao, Hui Zhao
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A New Method to Verify the Measurement Speed and Accuracy of Frequency Modulated Interferometers
Applied Sciences, 2021 The measurement speed and measurement accuracy of a displacement measuring interferometer are key parameters. To verify these parameters, a fast and high-accuracy motion is required.
Toan-Thang Vu +4 more
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Full surface strain measurement using shearography [PDF]
, 2001 Shearography is a full-field optical technique usually used for the determination of surface strain. Correlation of interferometric speckle patterns recorded before and after the object deformation yields fringes sensitive to displacement gradient ...
Tatam, Ralph P. +2 more
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Concept and architecture of a new apparatus for cylindrical form measurement with a nanometric level of accuracy [PDF]
, 2012 In relation to the industrial need and to the progress of technology, Laboratoire National de M´etrologie et d’Essais (LNE) would like to improve the measurement of its primary pressure standards, spherical and flick standards.
David, Jean Marie +5 more
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Displacement Measurement Based on the Missing-Order Talbot Effect. [PDF]
Sensors (Basel)Displacement measurement is a crucial application, with laser-based methods offering high precision and being well established in commercial settings. However, these methods often come with the drawbacks of significant size and exorbitant costs.
Song L +6 more
europepmc +2 more sources