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Shape Sensing in Plate Structures through Inverse Finite Element Method Enhanced by Multi-Objective Genetic Optimization of Sensor Placement and Strain Pre-Extrapolation [PDF]

open access: yesSensors
The real-time reconstruction of the displacement field of a structure from a network of in situ strain sensors is commonly referred to as “shape sensing”. The inverse finite element method (iFEM) stands out as a highly effective and promising approach to
Emiliano Del Priore, Luca Lampani
doaj   +2 more sources

Deep learning-based approach for high spatial resolution fibre shape sensing [PDF]

open access: yesCommunications Engineering
Fiber optic shape sensing is an innovative technology that has enabled remarkable advances in various navigation and tracking applications. Although the state-of-the-art fiber optic shape sensing mechanisms can provide sub-millimeter spatial resolution ...
Samaneh Manavi Roodsari   +6 more
doaj   +2 more sources

Two-node Curved Inverse Finite Element Formulations based on ‎Exact Strain-displacement Solution [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2023
The inverse finite element method (iFEM) is an efficient algorithm developed for real-time monitoring of structures equipped by a network of strain sensors.
Pierclaudio Savino, Francesco Tondolo
doaj   +1 more source

Demonstration of Large Curvature Radius Shape Sensing Using Optical Frequency Domain Reflectometry in Multi-Core Fibers

open access: yesIEEE Photonics Journal, 2021
In distributed shape sensing, the shape reconstruction error is more and more sensitive to the strain measuring error along with curvature radius of reconstructed shape increasing, which causes a notable challenge for large curvature radius shape ...
Zeen Chen   +9 more
doaj   +1 more source

Full-Field Strain Reconstruction Using Uniaxial Strain Measurements: Application to Damage Detection

open access: yesApplied Sciences, 2021
This work investigates the inverse problem of reconstructing the continuous displacement field of a structure using a spatially distributed set of discrete uniaxial strain data. The proposed technique is based on the inverse Finite Element Method (iFEM),
Rinto Roy   +3 more
doaj   +1 more source

Shape sensing of optical fiber Bragg gratings based on deep learning

open access: yesMachine Learning: Science and Technology, 2023
Continuum robots in robot-assisted minimally invasive surgeries provide adequate access to target anatomies that are not directly reachable through small incisions.
Samaneh Manavi Roodsari   +6 more
doaj   +1 more source

Strip-Type Embeddable Shape Sensor Based on Fiber Optics for In Situ Composite Consolidation Monitoring

open access: yesSensors, 2022
Carbon fibers and resin used in manufacturing carbon fiber-reinforced plastic composite structures flow before the resin solidifies, resulting in disrupted fiber orientation and non-uniform thickness. This process, known as consolidation, is critical for
Shu Minakuchi, Shoma Niwa, Nobuo Takeda
doaj   +1 more source

Variable Thickness Strain Pre-Extrapolation for the Inverse Finite Element Method

open access: yesSensors, 2023
The inverse Finite Element Method (iFEM) has recently gained much popularity within the Structural Health Monitoring (SHM) field since, given sparse strain measurements, it reconstructs the displacement field of any beam or shell structure independently ...
Dario Poloni   +3 more
doaj   +1 more source

Improving Shape-Sensing Robotic-Assisted Bronchoscopy Outcomes with Mobile Cone-Beam Computed Tomography Guidance. [PDF]

open access: goldDiagnostics (Basel)
Bashour SI   +12 more
europepmc   +3 more sources

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