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345 Results Found

  • Article
  • Open Access
1 Citations
2,387 Views
20 Pages

A Novel Strategy for Automatic Mode Pairing on the Model Updating of Railway Systems with Nonproportional Damping

  • Diogo Ribeiro,
  • Cássio Bragança,
  • Maik Brehm,
  • Volkmar Zabel and
  • Rui Calçada

27 December 2022

Mode pairing is a crucial step for the stability of any model-updating strategy based on experimental modal parameters. Automatically establishing a stable and assertive correspondence between numerical and experimental modes, in many cases, proves t...

  • Article
  • Open Access
4 Citations
4,238 Views
21 Pages

19 February 2019

Vital defect information present in the magnetic field data of oil and gas pipelines can be perceived by developing such non-parametric algorithms that can extract modal features and performs structural assessment directly from the recorded signal da...

  • Article
  • Open Access
7 Citations
3,510 Views
20 Pages

30 March 2021

The conventional eigensystem realization algorithm with data correlation (ERA/DC) combines the impulse response or free response data of a structural system with the concept of correlation function to identify the modal parameter of the structural sy...

  • Article
  • Open Access
9 Citations
3,531 Views
18 Pages

3 September 2019

Noise, vibration and harshness (NVH) problems are critical issues to be tackled for wind turbine drivetrains. Tracking the behavior of modal parameters of the machines’ fundamental modes during operation it is of high interest to validate compl...

  • Article
  • Open Access
1,107 Views
28 Pages

13 August 2025

In multimodal collaborative learning, the gradient dynamics of heterogeneous modalities face significant challenges due to the curvature heterogeneity of parameter manifolds and mismatches in phase evolution. Traditional Euclidean optimization method...

  • Article
  • Open Access
16 Citations
5,949 Views
15 Pages

Automatic Tracking of the Modal Parameters of an Offshore Wind Turbine Drivetrain System

  • Mahmoud El-Kafafy,
  • Christof Devriendt,
  • Patrick Guillaume and
  • Jan Helsen

22 April 2017

An offshore wind turbine (OWT) is a complex structure that consists of different parts (e.g., foundation, tower, drivetrain, blades, et al.). The last decade, there has been continuous trend towards larger machines with the goal of cost reduction. Mo...

  • Article
  • Open Access
1,606 Views
22 Pages

Multimodal Fire Salient Object Detection for Unregistered Data in Real-World Scenarios

  • Ning Sun,
  • Jianmeng Zhou,
  • Kai Hu,
  • Chen Wei,
  • Zihao Wang and
  • Lipeng Song

26 October 2025

In real-world fire scenarios, complex lighting conditions and smoke interference significantly challenge the accuracy and robustness of traditional fire detection systems. Fusion of complementary modalities, such as visible light (RGB) and infrared (...

  • Article
  • Open Access
2 Citations
2,400 Views
24 Pages

19 May 2023

The modal and vibration-noise response characteristics of plate structures are closely related to their boundary effects, and the analytical modeling and solution of the dynamics of plate structures with complex boundary conditions can reveal mechani...

  • Article
  • Open Access
11 Citations
2,818 Views
15 Pages

14 June 2022

The working environment of rotating machines is complex, and their key components are prone to failure. The early fault diagnosis of rolling bearings is of great significance; however, extracting the single scale fault feature of the early weak fault...

  • Article
  • Open Access
1 Citations
1,100 Views
24 Pages

Offshore wind turbines are prone to structural damage over time due to environmental factors, which increases operational costs and the risk of accidents. Early detection of structural damage through monitoring systems can help reduce maintenance cos...

  • Article
  • Open Access
1 Citations
1,058 Views
18 Pages

Multimodal object detection leverages the complementary characteristics of visible (RGB) and infrared (IR) imagery, making it well-suited for challenging scenarios such as low illumination, occlusion, and complex backgrounds. However, most existing f...

  • Article
  • Open Access
194 Views
22 Pages

11 February 2026

Harmonic resonance challenges have intensified in modern power grids, primarily due to the high penetration of converter-based offshore wind energy. Traditional modal analysis methods conducted in the abc reference frame are often constrained by comp...

  • Article
  • Open Access
3 Citations
2,185 Views
30 Pages

11 October 2025

During UAV aerial photography tasks, influenced by flight altitude and imaging mechanisms, the target in images often exhibits characteristics such as small size, complex backgrounds, and small inter-class differences. Under single optical modality,...

  • Proceeding Paper
  • Open Access
1,786 Views
7 Pages

Efficient Use of the Output Information to Improve Modal Parameter Estimation

  • Oscar Olarte,
  • Mahmoud El-Kafafy and
  • Patrick Guillaume

In modal identification, the value of the model parameters and the associated uncertainty depends on the quality of the measurements. The maximum likelihood estimator (mle) is a consistent and efficient estimator. This means that the value of the par...

  • Article
  • Open Access
281 Views
28 Pages

12 February 2026

Integrated blisk–shaft rotors represent a critical advancement in aero-engine design, offering enhanced structural integrity and weight reduction. However, their complex dynamic behavior under inherent material uncertainties poses significant c...

  • Article
  • Open Access
9 Citations
4,795 Views
23 Pages

31 March 2022

Obtaining the modal parameters of a tire with ground contact and rolling conditions represents a challenge due to the complex vibration characteristic behaviors that cause the distortion of the tire’s symmetry and the bifurcation phenomena of t...

  • Article
  • Open Access
714 Views
14 Pages

31 October 2025

The performance of Multimodal Sentiment Analysis (MSA) is commonly hindered by two major bottlenecks: the complexity and redundancy associated with supervised feature disentanglement and the coarse granularity of static fusion mechanisms. To systemat...

  • Article
  • Open Access
6 Citations
4,451 Views
17 Pages

A Novel Methodology to Obtain the Mechanical Properties of Membranes by Means of Dynamic Tests

  • Antonia Lima-Rodriguez,
  • Jose Garcia-Manrique,
  • Wei Dong and
  • Antonio Gonzalez-Herrera

A new, non-destructive methodology is proposed in this work in order to determine the mechanical properties of membrane using vibro-acoustic tests. This procedure is based on the dynamic analysis of the behavior of the membrane. When the membrane is...

  • Article
  • Open Access
982 Views
21 Pages

22 November 2025

Multi-modal object tracking (MMOT) has received widespread attention for the ability to overcome single-sensor perception limitations. However, existing methods encounter several critical challenges. Representation learning and generalization capabil...

  • Article
  • Open Access
8 Citations
3,115 Views
10 Pages

23 July 2022

In order to realize the accurate prediction of the vibration fatigue life of the beam in service, a loose coupling analysis method is proposed to carry out vibration fatigue analysis of a beam with an initial crack. In modal analysis, the initial cra...

  • Article
  • Open Access
1 Citations
288 Views
21 Pages

10 February 2026

RGB-infrared (RGB-IR) object detection leverages complementary information from these two modalities to substantially enhance perception in complex environments, which is particularly beneficial for reliable detection under adverse imaging conditions...

  • Article
  • Open Access
30 Citations
5,443 Views
18 Pages

2 February 2021

Semantic segmentation of multi-modal remote sensing images is an important branch of remote sensing image interpretation. Multi-modal data has been proven to provide rich complementary information to deal with complex scenes. In recent years, semanti...

  • Review
  • Open Access
10 Citations
6,316 Views
25 Pages

4 August 2025

Contactless vital sign monitoring has emerged as a transformative healthcare technology, enabling the assessment of vital signs without physical contact with the human body. This review comprehensively reviews the rapidly evolving landscape of this f...

  • Article
  • Open Access
1 Citations
2,572 Views
34 Pages

16 November 2021

Due to the difficulty of obtaining statistical energy parameters of complex structures and the complexity of modeling connection and model verification, the hybrid FE-SEA model has many problems in modeling complex structures. Therefore, in order to...

  • Article
  • Open Access
385 Views
21 Pages

HDCA: Heterogeneous Dual-Path Contrastive Architecture for Action Recognition

  • Shilu Kang,
  • Hua Huo,
  • Lan Ma,
  • Jinxuan Wang and
  • Aokun Mei

30 November 2025

We propose Heterogeneous Dual-path Contrastive Architecture (HDCA) for action recognition. Our model involves a spatial pathway and a temporal pathway; these two pathways employ distinct backbone networks and input formats, tailored to the specific p...

  • Article
  • Open Access
2 Citations
1,803 Views
24 Pages

Dynamic Niches-Based Hybrid Breeding Optimization Algorithm for Solving Multi-Modal Optimization Problem

  • Ting Cai,
  • Ziteng Qiao,
  • Zhiwei Ye,
  • Hu Pan,
  • Mingwei Wang,
  • Wen Zhou,
  • Qiyi He,
  • Peng Zhang and
  • Wanfang Bai

8 September 2024

Some problems exist in classical optimization algorithms to solve multi-modal optimization problems and other complex systems. A Dynamic Niches-based Improved Hybrid Breeding Optimization (DNIHBO) algorithm is proposed to address the multi-modal opti...

  • Article
  • Open Access
5 Citations
4,788 Views
22 Pages

Meaningful Multimodal Emotion Recognition Based on Capsule Graph Transformer Architecture

  • Hajar Filali,
  • Chafik Boulealam,
  • Khalid El Fazazy,
  • Adnane Mohamed Mahraz,
  • Hamid Tairi and
  • Jamal Riffi

10 January 2025

The development of emotionally intelligent computers depends on emotion recognition based on richer multimodal inputs, such as text, speech, and visual cues, as multiple modalities complement one another. The effectiveness of complex relationships be...

  • Article
  • Open Access
3 Citations
3,032 Views
21 Pages

20 March 2022

A method for dynamic finite element (FE) model updating based on correlated mode auto-pairing and adaptive evolution screening (CMPES) is proposed to overcome difficulties in pairing inaccurate analytical modal data and incomplete experimental modal...

  • Article
  • Open Access
2 Citations
2,374 Views
22 Pages

17 June 2023

This paper investigates system identification algorithms for modal identification of frame structures, such as a suspension bridge and an overhead transmission line-crossing frame, using ambient vibration measurements. The modal identification proced...

  • Article
  • Open Access
6 Citations
3,802 Views
14 Pages

17 July 2024

Multi-modal object re-identification (ReID) is a challenging task that seeks to identify objects across different image modalities by leveraging their complementary information. Traditional CNN-based methods are constrained by limited receptive field...

  • Article
  • Open Access
3 Citations
1,770 Views
26 Pages

12 October 2024

High-frequency optical dynamic measurement can realize multiple measurement points covering the whole surface of the thin-walled structure, which is very useful for obtaining high-resolution spatial information for damage localization. However, the n...

  • Article
  • Open Access
10 Citations
5,896 Views
19 Pages

MMYFnet: Multi-Modality YOLO Fusion Network for Object Detection in Remote Sensing Images

  • Huinan Guo,
  • Congying Sun,
  • Jing Zhang,
  • Wuxia Zhang and
  • Nengshuang Zhang

27 November 2024

Object detection in remote sensing images is crucial for airport management, hazard prevention, traffic monitoring, and more. The precise ability for object localization and identification enables remote sensing imagery to provide early warnings, mit...

  • Article
  • Open Access
105 Citations
7,093 Views
22 Pages

An Improved Crow Search Algorithm Applied to Energy Problems

  • Primitivo Díaz,
  • Marco Pérez-Cisneros,
  • Erik Cuevas,
  • Omar Avalos,
  • Jorge Gálvez,
  • Salvador Hinojosa and
  • Daniel Zaldivar

6 March 2018

The efficient use of energy in electrical systems has become a relevant topic due to its environmental impact. Parameter identification in induction motors and capacitor allocation in distribution networks are two representative problems that have st...

  • Article
  • Open Access
1 Citations
1,060 Views
17 Pages

Research on Signal Processing Algorithms Based on Wearable Laser Doppler Devices

  • Yonglong Zhu,
  • Yinpeng Fang,
  • Jinjiang Cui,
  • Jiangen Xu,
  • Minghang Lv,
  • Tongqing Tang,
  • Jinlong Ma and
  • Chengyao Cai

Wearable laser Doppler devices are susceptible to complex noise interferences, such as Gaussian white noise, baseline drift, and motion artifacts, with motion artifacts significantly impacting clinical diagnostic accuracy. Addressing the limitations...

  • Article
  • Open Access
3 Citations
2,313 Views
25 Pages

An Experimentally Aided Operational Virtual Prototyping to Obtain the Best Spindle Speed during Face Milling of Large-Size Structures

  • Krzysztof J. Kaliński,
  • Marek A. Galewski,
  • Michał R. Mazur and
  • Natalia Stawicka-Morawska

1 November 2021

The paper presents an original method concerning the problem of vibration reduction in the general case while milling large-size and geometrically complex details with the use of an innovative approach to the selection of spindle speed. A computation...

  • Article
  • Open Access
8 Citations
3,287 Views
21 Pages

18 November 2022

Multimodal research is an emerging field of artificial intelligence, and the analysis of dangerous driving behavior is one of the main application scenarios in the field of multimodal fusion. Aiming at the problem of data heterogeneity in the process...

  • Article
  • Open Access
2,532 Views
21 Pages

11 April 2024

The rapid development of deep neural networks has attracted significant attention in the infrared and visible image fusion field. However, most existing fusion models have many parameters and consume high computational and spatial resources. This pap...

  • Article
  • Open Access
48 Citations
7,054 Views
22 Pages

12 September 2018

We focus on a Bayesian inference framework for finite element (FE) model updating of a long-span cable-stayed bridge using long-term monitoring data collected from a wireless sensor network (WSN). A robust Bayesian inference method is proposed which...

  • Article
  • Open Access
2 Citations
7,302 Views
21 Pages

Audio-Visual Learning for Multimodal Emotion Recognition

  • Siyu Fan,
  • Jianan Jing and
  • Chongwen Wang

11 March 2025

Most current emotion recognition methods are often limited to a single- or dual-modality approach, neglecting the rich information embedded in other modalities. This limitation hampers the accurate identification of complex or subtle emotional expres...

  • Article
  • Open Access
13 Citations
3,738 Views
23 Pages

2 October 2019

This paper proposes a methodology to process and interpret the complex signals acquired from the health monitoring of civil structures via scale-space empirical wavelet transform (EWT). The FREEVIB method, a widely used instantaneous modal parameters...

  • Article
  • Open Access
8 Citations
2,484 Views
15 Pages

17 November 2022

Prototype vibration response data of high arch dam discharge structures inevitably mix various noises under the discharge excitation, which adversely affects the accuracy of the working modal identification of the structure. To effectively filter noi...

  • Article
  • Open Access
399 Views
24 Pages

16 February 2026

Audio–visual learning seeks to achieve holistic scene understanding by integrating auditory and visual cues. Early research focused on fully fine-tuning pre-trained models, incurring high computational costs. Consequently, recent studies have a...

  • Article
  • Open Access
155 Views
12 Pages

12 March 2026

Stochastic Subspace Identification (SSI) theory offers the distinct advantage of extracting modal parameters directly from operational ambient excitations without requiring artificial force, ensuring completely true boundary conditions and providing...

  • Review
  • Open Access
9 Citations
3,850 Views
22 Pages

29 January 2024

In fluid mechanics, modal decomposition, deeply intertwined with the concept of symmetry, is an essential data analysis method. It facilitates the segmentation of parameters such as flow, velocity, and pressure fields into distinct modes, each exhibi...

  • Article
  • Open Access
15 Citations
2,217 Views
26 Pages

17 April 2023

The quantitative diagnosis of rolling bearings is essential to automating maintenance decisions. Over recent years, Lempel–Ziv complexity (LZC) has been widely used for the quantitative assessment of mechanical failures as one of the most valua...

  • Article
  • Open Access
40 Citations
9,424 Views
13 Pages

25 November 2022

Considering that the occurrence and spread of diseases are closely related to the planting environment, a tomato disease diagnosis method based on Multi-ResNet34 multi-modal fusion learning based on residual learning is proposed for the problem of li...

  • Article
  • Open Access
1 Citations
2,940 Views
40 Pages

Context-Adaptable Deployment of FastSLAM 2.0 on Graphic Processing Unit with Unknown Data Association

  • Jessica Giovagnola,
  • Manuel Pegalajar Cuéllar and
  • Diego Pedro Morales Santos

9 December 2024

Simultaneous Localization and Mapping (SLAM) algorithms are crucial for enabling agents to estimate their position in unknown environments. In autonomous navigation systems, these algorithms need to operate in real-time on devices with limited resour...

  • Article
  • Open Access
805 Views
18 Pages

A Study on Methods for Parsing Architectural Multi-Modal Data and Extracting Modeling Parameters

  • Shimei Li,
  • Weining Song,
  • Tan Li,
  • Nanjiang Chen,
  • Liefa Liao,
  • Xuejun Zhou,
  • Fangfang Gao and
  • Runmin Yin

10 November 2025

To address information isolation and incomplete parameter extraction among multi-modal data (e.g., drawings, text, and tables) in the operation and maintenance stage of buildings, this paper proposes a multi-modal data parsing, automatic parameter ex...

  • Article
  • Open Access
224 Views
20 Pages

3 February 2026

Photovoltaic (PV) systems play a significant role in renewable energy production. Due to the nonlinear and multi-modal nature of PV models, using accurate model parameters is crucial. In recent years, metaheuristic algorithms have been utilized to es...

  • Article
  • Open Access
11 Citations
2,114 Views
16 Pages

22 November 2023

With the rapid development of new power systems, power usage stations are becoming more diverse and complex. Fine-grained management of demand-side power load has become increasingly crucial. To address the accurate load forecasting needs for various...

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