Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 39 for “"damage identification"”.
-
Damage identification using inductive learning
A damage identification method incorporating the use of inductive learning is presented. Inductive learning is the process of learning from examples. The method utilizes as much dynamic-response data as is available, ordering this information to find the best data with which to discriminate among a …
-
Bayesian Damage Identification from Elastostatic Data
… the deterministic framework. The problem of damage identification in the theory of elasticity is one of the practical examples of inverse problems. This problem, which usually involves high-order differential equations, is to estimate the damage occurred in a continuum body given some data, …
-
Solar panel damage identification using tensorflow lite
… quicker ways of identifying and locating damaged PV arrays are needed. The solution presented in this thesis is to use drones to capture aerial photos and TensorFlow-Lite and Keras deep learning methods to determine if a panel has defects, such as debris, cracked panels, and hotspots. The …
-
Damage identification in skeletal structures: A dynamic stiffness approach
… of the DSM of the following: the original undamaged structure, the cracked structure and the structure with a hinge at the potential crack location. This relationship is a simple equation which gives the determinant of the cracked structure as the sum of the determinant of the undamaged …
-
Vibration Measurement Based Damage Identification for Structural Health Monitoring
… on the development of vibration response-based damage detection in civil engineering structures. Modal parameter-based and model identification-based approaches have been considered. In the modal parameter-based approach, the flexibility and curvature flexibility matrices of the structure are …
-
Vibration-based finite element model updating and structural damage identification
Damage and material deterioration could lead to structural failure with unknown consequences. Structural health monitoring strategy based on vibration measurements for existing aging structures offers a promising technique for effectively managing the deteriorating structures. The main objectives …
-
Damage identification of unreinforced masonry structures based on vibration response
… distinctive modal properties in identifying damage. Numerical and physical models were used to analyse the applicability of system and damage identification techniques to non-slender URM buildings. Modal tests were conducted on two undamaged URM panels and an undamaged model of a one-storey …
-
Physics-informed neural network for damage identification in railroad bridges
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-05-01
-
The development of a systematic experimental method for damage identification
The diagnostics of slight damage are extremely significant for providing the early warning damage information for in-service structures. This thesis presents the development of a systematic experimental method to identify structural damage by the experimental techniques. Three carbon fabric squared …
-
Dynamic Strain Measurement Based Damage Identification for Structural Health Monitoring
… presented to detect, locate, and quantify the damages that are likely to occur in structures. In this study, the structural damage is identified as a reduction in the stiffness characteristics of the structural elements. The primary focus of this study is on the utilization of measured dynamic …
-
The effects of variability on damage identification with inductive learning
… the effects of inherent variabilities on the damage identification problem. The goal of damage identification is to detect structural damage before it reaches a level which will detrimentally affect the structure’s performance. Inductive learning is one tool which has been proposed as an …
-
Damage Identification in Engineering Structures from Changes in Measured Dynamic Response
… an early warning system of the occurrence of damage. The key to such an approach is to understand how the processes of damage, which may be caused as a result of a single specific event or as part of natural deterioration, influences the dynamic response properties. By understanding how the …
-
Use of Response Surface Metamodels in Damage Identification of Dynamic Structures
… need for low order models capable of performing damage identification has become apparent in many structural dynamics applications where structural health monitoring and damage prognosis programs are implemented. These programs require that damage identification routines have low computational …
-
Inverse Problems In Structural Damage Identification, Structural Optimization, And Optical Medical Imaging Using Artificial Neural Networks
… The inverse problems investigated are: 1) damage detection in structures, 2) detection of an anomaly in a light-diffusive medium, such as human tissue using optical imaging, 3) structural optimization of fiber optic sensor design. All of these problems require solving highly complex inverse …
-
Guided Wave Actuation for Enhanced Damage Identification in Carbon Fiber Reinforced Polymer Material Using Electrical Resistance Tomography
… composites (CFRP) are prone to delamination damage which leads to the reduction in the mechanical performance of aerospace structures. Electrical Resistance Tomography (ERT) is a non-destructive evaluation technique that uses surface voltage measurements with electric currents injections in …
-
Spectral finite element modelling and damage identification of beam-like structures using linear and nonlinear guided waves
… the development of the model-based approach for damage identification using guided waves. The proposed approach requires no baseline data. It can identify multiple damages such as characterising the number, location and the size of cracks in isotropic beams and delaminations in composite beams …
-
Towards Multiclass Damage Detection and Localization using Limited Vibration Measurements
Traditional vibration-based damage detection methods provide structural health information based on their measured data (i.e., acceleration and displacement response). Over the last few decades, various model-based and time-frequency methods have shown great promises for damage identification and …
-
Multi-task semantic segmentation of damage and materials for visual inspection of civil infrastructure
… followed by deep learning techniques for damage identification. Existing deep learning methods and datasets for inspections have typically been developed for a single damage type. However, most guidelines for inspections require the identification of multiple damage types and describe …
-
Damage and repair identification in reinforced concrete beams modelled with various damage scenarios using vibration data
… aims at developing a novel vibration-based damage identification technique that can efficiently be applied to real-time large data for detection, classification, localisation and quantification of the potential structural damage.
Page 1 of 2