Results 41 to 50 of about 14,556 (247)

Low weight additive manufacturing FBG accelerometer: design, characterization and testing [PDF]

open access: yes, 2018
Structural Health Monitoring is considered the process of damage detection and structural characterization by any type of on-board sensors. Fibre Bragg Gratings (FBG) are increasing their popularity due to their many advantages like easy multiplexing ...
Galvín, Pedro   +2 more
core   +1 more source

Measurement of mechanical vibrations excited in aluminium resonators by 0.6 GeV electrons [PDF]

open access: yes, 2000
We present measurements of mechanical vibrations induced by 0.6 GeV electrons impinging on cylindrical and spherical aluminium resonators. To monitor the amplitude of the resonator's vibrational modes we used piezoelectric ceramic sensors, calibrated by ...
A. Schimmel   +32 more
core   +2 more sources

Sensitivity-Tunable Oscillator-Accelerometer Based on Optical Fiber Bragg Grating

open access: yesPhotonics, 2021
We demonstrate a fiber Bragg grating (FBG)-based oscillator-accelerometer in which the acceleration sensitivity can be tuned by controlling the location of the mass oscillator.
Xiangpeng Xiao   +5 more
doaj   +1 more source

Quasi-Static Calibration Method of a High-g Accelerometer

open access: yesSensors, 2017
To solve the problem of resonance during quasi-static calibration of high-g accelerometers, we deduce the relationship between the minimum excitation pulse width and the resonant frequency of the calibrated accelerometer according to the second-order ...
Yan Wang, Jinbiao Fan, Jing Zu, Peng Xu
doaj   +1 more source

3D-MODELING OF QUARTZ GLASS SENSORY ELEMENTS OF HEMISPHERICAL RESONATOR GYRO AND PENDULUM ACCELEROMETER [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2019
Subject of Research. The paper considers physical processes occurring in sensory elements of angular rate and apparent acceleration measuring devices, such as hemispherical resonator gyro and pendulum accelerometer. Inertial masses of the studied sensory
D. S. Gnusarev   +2 more
doaj   +1 more source

Remote photothermal actuation for calibration of in-phase and quadrature readout in a mechanically amplified Fabry-Pérot accelerometer [PDF]

open access: yes, 2014
A mechanically amplified Fabry-Pérot optical accelerometer is reported in which photothermal actuation is used to calibrate the in-phase and quadrature (I&Q) readout.
Davies, E, George, DS, Holmes, AS
core   +1 more source

A Monolithic CMOS-MEMS Reconfigurable/Tunable Capacitive Accelerometer with Integrated Sensing Circuits

open access: yesFrontiers in Mechanical Engineering, 2022
MEMS accelerometers have been widely used in various applications with a wide range of signal levels and bandwidth. Therefore it is desired to have a sensor whose characteristics such as sensitivity and bandwidth can be reconfigured/tuned depending on ...
Yi Chiu, Cheng-Yen Lin, Hao-Chiao Hong
doaj   +1 more source

Field tests of a portable MEMS gravimeter [PDF]

open access: yes, 2017
Gravimeters are used to measure density anomalies under the ground. They are applied in many different fields from volcanology to oil and gas exploration, but present commercial systems are costly and massive.
Bramsiepe, Steven G.   +6 more
core   +2 more sources

Implementation of a CMOS/MEMS Accelerometer with ASIC Processes

open access: yesMicromachines, 2019
This paper presents the design, simulation and mechanical characterization of a newly proposed complementary metal-oxide semiconductor (CMOS)/micro-electromechanical system (MEMS) accelerometer. The monolithic CMOS/MEMS accelerometer was fabricated using
Yu-Sian Liu, Kuei-Ann Wen
doaj   +1 more source

Design and Demonstration of an In-Plane Micro-Optical-Electro-Mechanical-System Accelerometer Based on Talbot Effect of Dual-Layer Gratings

open access: yesMicromachines, 2023
An ultrasensitive single-axis in-plane micro-optical-electro-mechanical-system (MOEMS) accelerometer based on the Talbot effect of dual-layer gratings is proposed.
Wenqing Chen   +4 more
doaj   +1 more source

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