Results 11 to 20 of about 9,117,404 (329)

Environmental Durability of an Optical Fiber Cable Intended for Distributed Strain Measurements in Concrete Structures

Sensors, 2021
The present study investigates the environmental durability of a distributed optical fiber sensing (DOFS) cable on the market, commonly used for distributed strain measurements in reinforced concrete structures.
Ismail Alj, Marc Quiertant, Aghiad Khadour, Quentin Grando, Karim Benzarti   +4 more
doaj   +1 more source

Strain Transfer Characteristics of Multi-Layer Optical Fiber Sensors with Temperature-Dependent Properties at Low Temperature

Sensors, 2021
Optical fiber sensors have been potentially expected to apply in the extreme environment for their advantages of measurement in a large temperature range.
Taolue Yang, Huaping Wang, Xingzhe Wang
doaj   +1 more source

Decoupling of Temperature and Strain Effects on Optical Fiber-Based Measurements of Thermomechanical Loaded Printed Circuit Board Assemblies

Sensors, 2023
This study investigated the use of distributed optical fiber sensing to measure temperature and strain during thermomechanical processes in printed circuit board (PCB) manufacturing.
Tiago Maurício Leite, Cláudia Freitas, Roberto Magalhães, Alexandre Ferreira da Silva, José R. Alves, Júlio C. Viana, Isabel Delgado   +6 more
doaj   +1 more source

Use of Printed Sensors to Measure Strain in Rolling Bearings under Isolated Boundary Conditions

Lubricants, 2023
The knowledge of the operating conditions in rolling bearings in technical applications offers many advantages, for example, to ensure a safe operation and to save resources and costs with the help of condition monitoring and predictive maintenance ...
Marcel Bartz, Felix Häußler, Fabian Halmos, Markus Ankenbrand, Michael Jüttner, Jewgeni Roudenko, Sven Wirsching, Marcus Reichenberger, Jörg Franke, Sandro Wartzack   +9 more
doaj   +1 more source

Monitoring Neutral Axis Position Using Monthly Sample Residuals as Estimated From a Data Mining Model

Frontiers in Built Environment, 2021
Structural Health Monitoring (SHM) has enabled the condition of large structures, like bridges, to be evaluated in real time. In order to monitor behavioral changes, it is essential to identify parameters of the structure that are sensitive enough to ...
Christos Aloupis, Harry W. Shenton, Michael J. Chajes   +2 more
doaj   +1 more source

Optical Frequency Domain Reflectometry Based on Multilayer Perceptron

Sensors, 2023
We proposed an optical frequency domain reflectometry based on a multilayer perceptron. A classification multilayer perceptron was applied to train and grasp the fingerprint features of Rayleigh scattering spectrum in the optical fiber.
Guolu Yin, Zhaohao Zhu, Min Liu, Yu Wang, Kaijun Liu, Kuanglu Yu, Tao Zhu   +6 more
doaj   +1 more source

Strain Measurements in Free Tube Hydroforming Process [PDF]

Archives of Metallurgy and Materials, 2020
The paper presents a method of measuring deformations of cylindrical samples on the testing machine for free tube hydroforming experiments. During experiments a sample made of a thin-walled metal tube is expanded by the internal pressure of the working ...
H. Sadłowska, Ł. Morawiński, C. Jasiński   +2 more
doaj   +1 more source

Atmospheric Corrosion Sensor Based on Strain Measurement with Active–Dummy Fiber Bragg Grating Sensors

Metals, 2020
Using the relationship between strain and thickness from the materials theory, this paper presents further development of the atmospheric corrosion sensor based on strain measurement (ACSSM).
Nining Purwasih, Hiroki Shinozaki, Shinji Okazaki, Hiroshi Kihira, Yukihisa Kuriyama, Naoya Kasai   +5 more
doaj   +1 more source

Assessment of Fiber Bragg Grating Sensors for Monitoring Shaft Vibrations of Hydraulic Turbines

Sensors, 2023
The structural dynamic response of hydraulic turbines needs to be continuously monitored to predict incipient failures and avoid catastrophic breakdowns.
Xavier Sánchez-Botello, Rafel Roig, Oscar de la Torre, Javier Madrigal, Salvador Sales, Xavier Escaler   +5 more
doaj   +1 more source

A novel vision-based system for quantitative analysis of abdominal aortic aneurysm deformation

BioMedical Engineering OnLine, 2019
Background In clinical diagnostics, combination of different imaging techniques is applied to assess spatial configuration of the abdominal aortic aneurysm (AAA) and deformation of its wall.
Andrzej Polanczyk, Michal Podgorski, Maciej Polanczyk, Aleksandra Piechota-Polanczyk, Ludomir Stefanczyk, Michal Strzelecki   +5 more
doaj   +1 more source