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389 Results Found

  • Review
  • Open Access
7 Citations
6,076 Views
31 Pages

20 October 2022

In this paper, a unique overview of intelligent machines and mathematical methods designed and developed to measure and to control the water level in industrial or laboratory setups of coupled and cascaded configurations of tanks is made. A systemati...

  • Article
  • Open Access
25 Citations
7,321 Views
31 Pages

Commercial wave energy exploitation will be realised by placing multiple wave energy converters (WECs) in an array configuration. A point-absorber WEC consists of a floating or submerged body to capture wave energy from different wave directions. Thi...

  • Article
  • Open Access
4 Citations
3,970 Views
42 Pages

A Generalized Model of Complex Allometry I: Formal Setup, Identification Procedures and Applications to Non-Destructive Estimation of Plant Biomass Units

  • Héctor Echavarria-Heras,
  • Cecilia Leal-Ramirez,
  • Enrique Villa-Diharce and
  • Juan Ramón Castro-Rodríguez

18 November 2019

(1) Background: We previously demonstrated that customary regression protocols for curvature in geometrical space all derive from a generalized model of complex allometry combining scaling parameters expressing as continuous functions of covariate. R...

  • Article
  • Open Access
6 Citations
5,225 Views
30 Pages

Artificial Neural Network Prediction of the Optimal Setup Parameters of a Seven Degrees of Freedom Mathematical Model of a Race Car: IndyCar Case Study

  • Danilo D’Andrea,
  • Giacomo Risitano,
  • Ernesto Desiderio,
  • Andrea Quintarelli,
  • Dario Milone and
  • Fabio Alberti

20 June 2021

The aim of this paper is the development of a 7-DOF (Degrees Of Freedom) mathematical model of an IndyCar and the implementation of an Artificial Neural Network in order to predict the optimal setup parameters of the car, reducing time and costs for...

  • Review
  • Open Access
56 Citations
11,081 Views
21 Pages

Skin Cancer Detection Using Infrared Thermography: Measurement Setup, Procedure and Equipment

  • Jan Verstockt,
  • Simon Verspeek,
  • Filip Thiessen,
  • Wiebren A. Tjalma,
  • Lieve Brochez and
  • Gunther Steenackers

26 April 2022

Infrared thermography technology has improved dramatically in recent years and is gaining renewed interest in the medical community for applications in skin tissue identification applications. However, there is still a need for an optimized measureme...

  • Article
  • Open Access
5 Citations
3,293 Views
18 Pages

29 December 2022

Piezoelectric elements (PEMs) are used in a variety of applications. In this paper, we developed a full analytical model and a simple system identification (SI) method of a piezoelectric actuator, which includes piezostack elements and a three-stage...

  • Article
  • Open Access
2 Citations
1,763 Views
15 Pages

1 July 2023

Spectroscopy in the terahertz (THz) band has been discussed as a promising tool for identifying substances such as mold in food, narcotics, or explosive materials. Other than the technological limitations, the most important difficulty is the presenc...

  • Proceeding Paper
  • Open Access
1 Citations
2,663 Views
5 Pages

Dynamic Infrared Thermography (DIRT) in Biomedical Applications: DIEP Flap Breast Reconstruction and Skin Cancer

  • Jan Verstockt,
  • Simon Verspeek,
  • Filip Thiessen,
  • Thierry Tondu,
  • Wiebren A. Tjalma,
  • Lieve Brochez and
  • Gunther Steenackers

Infrared thermography technology has improved drastically in recent years and is regaining interest in medicine for applications such as deep inferior epigastric perforate flap breast reconstruction, breast cancer diagnosis, skin tissue identificatio...

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,904 Views
12 Pages

Combined Use of a Transmission Detector and an EPID-Based In Vivo Dose Monitoring System in External Beam Whole Breast Irradiation: A Study with an Anthropomorphic Female Phantom

  • Chiara Arilli,
  • Yannik Wandael,
  • Chiara Galeotti,
  • Livia Marrazzo,
  • Silvia Calusi,
  • Mattia Grusio,
  • Isacco Desideri,
  • Franco Fusi,
  • Angelo Piermattei and
  • Cinzia Talamonti
  • + 1 author

28 October 2020

We evaluate the combined usage of two systems, the Integral Quality Monitor (IQM) transmission detector and SoftDiso software, for in vivo dose monitoring by simultaneous detection of delivery and patient setup errors in whole breast irradiation. An...

  • Article
  • Open Access
4 Citations
2,877 Views
24 Pages

22 January 2025

This work presents an in-depth study on the system identification of a servo-valve controlled hydraulic cylinder operating under variable load. This research addresses the growing demand for improved control systems (enhancing time response, settling...

  • Article
  • Open Access
2 Citations
5,140 Views
15 Pages

Identification of Impact Frequency for Down-the-Hole Drills Using Motor Current Signature Analysis

  • Diego Brito,
  • René Gómez,
  • Gonzalo Carvajal,
  • Lorenzo Reyes-Chamorro and
  • Guillermo Ramírez

7 April 2023

In rotary-percussion drilling, the impact frequency is a crucial variable that is closely linked to operational factors that determine the efficacy of the drilling process, such as the rate of penetration, bit wear, and rock mass characteristics. Typ...

  • Article
  • Open Access
3 Citations
4,377 Views
29 Pages

Lighting the Path: Raman Spectroscopy’s Journey Through the Microbial Maze

  • Markus Salbreiter,
  • Sandra Baaba Frempong,
  • Sabrina Even,
  • Annette Wagenhaus,
  • Sophie Girnus,
  • Petra Rösch and
  • Jürgen Popp

17 December 2024

The rapid and precise identification of microorganisms is essential in environmental science, pharmaceuticals, food safety, and medical diagnostics. Raman spectroscopy, valued for its ability to provide detailed chemical and structural information, h...

  • Article
  • Open Access
49 Citations
5,377 Views
20 Pages

Structural and Parametric Identification of Knowm Memristors

  • Valerii Ostrovskii,
  • Petr Fedoseev,
  • Yulia Bobrova and
  • Denis Butusov

27 December 2021

This paper proposes a novel identification method for memristive devices using Knowm memristors as an example. The suggested identification method is presented as a generalized process for a wide range of memristive elements. An experimental setup wa...

  • Article
  • Open Access
2,599 Views
13 Pages

Dynamic Identification of Bridges Using Multiple Synchronized Cameras and Computer Vision

  • Tommaso Panigati,
  • Alessia Abbozzo,
  • Maria Antonietta Pace,
  • Eray Temur,
  • Filip Cigan and
  • Rolands Kromanis

This study investigates the application of computer vision techniques in Structural Health Monitoring (SHM). The advantages of multiple synchronized camera setups in capturing and analyzing the dynamic behavior of bridges are researched. The proposed...

  • Article
  • Open Access
4 Citations
4,436 Views
13 Pages

Biometric Identity Based on Intra-Body Communication Channel Characteristics and Machine Learning

  • Ahmed E. Khorshid,
  • Ibrahim N. Alquaydheb,
  • Fadi Kurdahi,
  • Roger Piqueras Jover and
  • Ahmed Eltawil

5 March 2020

In this paper, we propose and validate using the Intra-body communications channel as a biometric identity. Combining experimental measurements collected from five subjects and two multi-layer tissue mimicking materials’ phantoms, different mac...

  • Article
  • Open Access
464 Views
25 Pages

Advancing Hyperspectral LWIR Imaging of Soils with a Controlled Laboratory Setup

  • Helge L. C. Daempfling,
  • Robert Milewski,
  • Gila Notesco,
  • Eyal Ben-Dor and
  • Sabine Chabrillat

4 December 2025

This study introduces a controlled laboratory setup for hyperspectral longwave infrared (LWIR) imaging of soils, designed to bridge the gap between laboratory measurements and remote sensing observations. A Fourier-transform hyperspectral LWIR imagin...

  • Article
  • Open Access
16 Citations
7,603 Views
17 Pages

On the Use of Simple Geometric Descriptors Provided by RGB-D Sensors for Re-Identification

  • Javier Lorenzo-Navarro,
  • Modesto Castrillón-Santana and
  • Daniel Hernández-Sosa

27 June 2013

The re-identification problem has been commonly accomplished using appearance features based on salient points and color information. In this paper, we focus on the possibilities that simple geometric features obtained from depth images captured with...

  • Article
  • Open Access
52 Citations
27,495 Views
21 Pages

The Effect of Azimuth and Tilt Angle Changes on the Energy Balance of Photovoltaic System Installed in the Southern Slovakia Region

  • Monika Božiková,
  • Matúš Bilčík,
  • Vladimír Madola,
  • Tímea Szabóová,
  • Ľubomír Kubík,
  • Jana Lendelová and
  • Vladimír Cviklovič

27 September 2021

Energy balance of the photovoltaic system is influenced by many factors. In this article the effect of tilt and azimuth angle changes of the photovoltaic system energy production is analyzed. These parameters have significant impact on the amount of...

  • Article
  • Open Access
6 Citations
2,822 Views
22 Pages

Making Every Single Puff Count—Simple and Sensitive E-Cigarette Aerosol Sampling for GCxIMS and GC-MS Analysis

  • Alexander L. R. M. Augustini,
  • Christopher Borg,
  • Stefanie Sielemann and
  • Ursula Telgheder

12 September 2023

The analysis of the aerosol from tobaccoless electronic cigarettes (e-cigarettes) is an important part of understanding their impact on human health, yet sampling aerosol from e-cigarettes is still considered a challenge. It lacks a standard method f...

  • Article
  • Open Access
48 Citations
13,282 Views
17 Pages

29 May 2015

Virtual screening (VS) is a computational methodology that streamlines the drug discovery process by reducing costs and required resources through the in silico identification of potential drug candidates. Structure-based VS (SBVS) exploits knowledge...

  • Article
  • Open Access
8 Citations
2,849 Views
31 Pages

Flight Experiments and Numerical Simulations for Investigating Multicopter Flow Field and Structure Deformation

  • Falk Pätzold,
  • André Bauknecht,
  • Andreas Schlerf,
  • Denis Sotomayor Zakharov,
  • Lutz Bretschneider and
  • Astrid Lampert

24 August 2023

The flow field induced by multirotor drones is of high interest for atmospheric research, as it locally influences the atmosphere and therefore may have an impact on the sensors installed for atmospheric measurements. Further, on-board vibrations can...

  • Article
  • Open Access
26 Citations
6,078 Views
14 Pages

Imprinted Photonic Crystal-Film-Based Smartphone-Compatible Label-Free Optical Sensor for SARS-CoV-2 Testing

  • Daiki Kawasaki,
  • Hirotaka Yamada,
  • Kenji Sueyoshi,
  • Hideaki Hisamoto and
  • Tatsuro Endo

28 March 2022

The coronavirus disease (COVID-19) caused by SARS-CoV-2 has caused a global pandemic. To manage and control the spread of the infection, it is crucial to develop and implement technologies for the early identification of infected individuals and rapi...

  • Article
  • Open Access
18 Citations
6,274 Views
18 Pages

Reconstruction of Governing Equations from Vibration Measurements for Geometrically Nonlinear Systems

  • Marco Didonna,
  • Merten Stender,
  • Antonio Papangelo,
  • Filipe Fontanela,
  • Michele Ciavarella and
  • Norbert Hoffmann

Data-driven system identification procedures have recently enabled the reconstruction of governing differential equations from vibration signal recordings. In this contribution, the sparse identification of nonlinear dynamics is applied to structural...

  • Article
  • Open Access
2 Citations
2,311 Views
13 Pages

30 July 2023

This paper presents for the first time the design of a microwave sensing setup for the potential monitoring and identification of red palm weevil (RPW) gender type. The microwave sensor consists of a planar two-port transmission line (TL) with a sing...

  • Editorial
  • Open Access
1 Citations
1,996 Views
2 Pages

9 September 2019

The development of solid state gas sensors based on microtransducers and nanostructured

sensing materials is the key point in the design of new portable measurement systems with sensing and identification performances comparable with those of most s...

  • Data Descriptor
  • Open Access
5 Citations
3,996 Views
12 Pages

28 March 2020

Analysis of voltage–current behavior of photovoltaic modules is a critical part of their modeling. Parameter identification of these models demands data from them, measured in realistic environments. In spite of advancement in modeling methodol...

  • Proceeding Paper
  • Open Access
3 Citations
2,287 Views
4 Pages

Application of a Novel Low-Cost Hyperspectral Imaging Setup Operating in the Mid-Infrared Region

  • Jakob Kilgus,
  • Robert Zimmerleiter,
  • Kristina Duswald,
  • Florian Hinterleitner,
  • Gregor Langer and
  • Markus Brandstetter

30 November 2018

In this contribution, we demonstrate the realization and application of a low-cost, flexible, small and fast hyperspectral imaging approach operating in the midinfrared fingerprint region where most molecules exhibit their fundamental vibrations. Fol...

  • Article
  • Open Access
2 Citations
3,221 Views
17 Pages

Integration within Fluid Dynamic Solvers of an Advanced Geometric Parameterization Based on Mesh Morphing

  • Ubaldo Cella,
  • Daniele Patrizi,
  • Stefano Porziani,
  • Torbjörn Virdung and
  • Marco Evangelos Biancolini

16 September 2022

Numerical optimization procedures are one of the most powerful approaches with which to support design processes. Their implementation, nevertheless, involves several conceptual and practical complexities. One of the key points relates to the geometr...

  • Article
  • Open Access
4 Citations
1,922 Views
13 Pages

26 October 2022

When an earthquake occurs, the larger the scale of the disaster, the harder it is to support the victims’ needs. In fact, even the most meager support for victims has become quite difficult. Furthermore, it is also known that the greater the da...

  • Feature Paper
  • Article
  • Open Access
11 Citations
6,237 Views
16 Pages

A Scalable High-Throughput Deposition and Screening Setup Relevant to Industrial Electrocatalysis

  • René Becker,
  • Katharina Weber,
  • Tobias V. Pfeiffer,
  • Jan van Kranendonk and
  • Klaas Jan Schouten

12 October 2020

The identification and optimization of electrode materials is of great importance in the study of (flow and solid state) batteries, industrial electrocatalysis and analytical devices such as sensors. To identify useful materials from a virtually unbo...

  • Article
  • Open Access
2 Citations
2,142 Views
24 Pages

Self-Tuning Controller Using Shifting Method

  • Milan Hofreiter,
  • Michal Moučka and
  • Pavel Trnka

4 November 2023

This paper presents a newly implemented self-tuning PID controller that uses a relay feedback identification using a recently designed relay shifting method to determine the mathematical model of the process and subsequently adjust the controller par...

  • Article
  • Open Access
22 Citations
3,478 Views
46 Pages

This paper aims to present a general identification procedure for fractional first-order plus dead-time (FFOPDT) models. This identification method is general for processes having S-shaped step responses, where process information is collected from a...

  • Article
  • Open Access
26 Citations
7,257 Views
20 Pages

Advances in Machine Learning Detecting Changeover Processes in Cyber Physical Production Systems

  • Bastian Engelmann,
  • Simon Schmitt,
  • Eddi Miller,
  • Volker Bräutigam and
  • Jan Schmitt

The performance indicator, Overall Equipment Effectiveness (OEE), is one of the most important ones for production control, as it merges information of equipment usage, process yield, and product quality. The determination of the OEE is oftentimes no...

  • Data Descriptor
  • Open Access
6 Citations
5,212 Views
10 Pages

Organ-On-A-Chip (OOC) Image Dataset for Machine Learning and Tissue Model Evaluation

  • Valērija Movčana,
  • Arnis Strods,
  • Karīna Narbute,
  • Fēlikss Rūmnieks,
  • Roberts Rimša,
  • Gatis Mozoļevskis,
  • Maksims Ivanovs,
  • Roberts Kadiķis,
  • Kārlis Gustavs Zviedris and
  • Arturs Abols
  • + 3 authors

1 February 2024

Organ-on-a-chip (OOC) technology has emerged as a groundbreaking approach for emulating the physiological environment, revolutionizing biomedical research, drug development, and personalized medicine. OOC platforms offer more physiologically relevant...

  • Article
  • Open Access
1,616 Views
15 Pages

Optimization of Sensor Placement for a Measurement System for the Determination of Local Magnetic Material Properties

  • Alice Reinbacher-Köstinger,
  • Andreas Gschwentner,
  • Eniz Mušeljić and
  • Manfred Kaltenbacher

16 July 2024

The aim of this work is to optimize the sensor positions of a sensor–actuator measurement system for identifying local variations in the magnetic permeability of cut steel sheets. Before solving the actual identification problem, i.e., finding...

  • Article
  • Open Access
20 Citations
3,303 Views
18 Pages

28 December 2022

In the Mediterranean Basin, potato (Solanum tuberosum L.) is a major staple crop, the yield performance of which can vary dramatically based on pedo-climatic conditions and genotype. Hence, dissecting the genotype × environment interaction (GEI...

  • Article
  • Open Access
8 Citations
2,631 Views
23 Pages

19 January 2024

Stability-dependent far-field offshore wind-farm wakes are detected in Supervisory Control and Data Acquisition (SCADA) wind power records from wind farms located in the North Sea. The results are used to assess the strengths and weaknesses of the Op...

  • Article
  • Open Access
106 Citations
11,506 Views
16 Pages

25 May 2010

During the construction of a concrete structure, strength monitoring is important to ensure the safety of both personnel and the structure. Furthermore, to increase the efficiency of in situ casting or precast of concrete, determining the optimal tim...

  • Technical Note
  • Open Access
1 Citations
2,546 Views
7 Pages

Technical Note: Rapid Species Barcoding Using Bento Lab Mobile Laboratory

  • Karolina Mahlerová,
  • Lenka Vaňková,
  • Marcin Tomsia and
  • Daniel Vaněk

14 October 2024

In scenarios when the morphological identification of samples is not feasible, the utilization of molecular analyses becomes an imperative. However, that can often be challenging in conditions where standard molecular laboratories cannot be establish...

  • Review
  • Open Access
45 Citations
10,399 Views
19 Pages

Many plant-pathogenic fungi are highly host-specific. In most cases, host-specific interactions evolved at the time of speciation of the respective host plants. However, host jumps have occurred quite frequently, and still today the greatest threat f...

  • Article
  • Open Access
30 Citations
3,439 Views
18 Pages

Dynamic Identification of Tensile Force in Tie-Rods by Interferometric Radar Measurements

  • Domenico Camassa,
  • Anna Castellano,
  • Aguinaldo Fraddosio,
  • Giuseppe Miglionico and
  • Mario Daniele Piccioni

19 April 2021

An experimental investigation on the accuracy of dynamically determined tensile force in tie-rods by applying the interferometric radar technique was performed. Tie-rods were used in historical masonry constructions for absorbing thrusts of arches an...

  • Communication
  • Open Access
2,025 Views
11 Pages

Stochastic Model for the LMS Algorithm with Symmetric/Antisymmetric Properties

  • Augusto Cesar Becker,
  • Eduardo Vinicius Kuhn,
  • Marcos Vinicius Matsuo,
  • Jacob Benesty,
  • Constantin Paleologu,
  • Laura-Maria Dogariu and
  • Silviu Ciochină

12 September 2022

This paper presents a stochastic model for the least-mean-square algorithm with symmetric/antisymmetric properties (LMS-SAS), operating in a system identification setup with Gaussian input data. Specifically, model expressions are derived to describe...

  • Article
  • Open Access
12 Citations
1,830 Views
20 Pages

31 December 2023

This research focuses on the crucial role of monitoring tool conditions in milling to improve workpiece quality, increase production efficiency, and reduce costs and environmental impact. The goal was to develop predictive models for detecting tool c...

  • Proceeding Paper
  • Open Access
2 Citations
1,431 Views
9 Pages

Realism-Oriented Design, Verification, and Validation of Novel Robust Navigation Solutions

  • Sorin Andrei Negru,
  • Patrick Geragersian,
  • Ivan Petrunin,
  • Raphael Grech and
  • Guy Buesnel

29 October 2023

Urban environments are characterized by a set of conditions underpinning degradation Position, Navigation and Timing (PNT) signals, such as multipath and non-line of sight (NLOS) effects, negatively affecting the position and the navigation integrity...

  • Article
  • Open Access
3 Citations
4,103 Views
19 Pages

Virtual reality technologies, including head-mounted displays (HMD), can provide benefits to psychological research by combining high degrees of experimental control with improved ecological validity. This is due to the strong feeling of being in the...

  • Article
  • Open Access
47 Citations
6,918 Views
20 Pages

Road Anomalies Detection System Evaluation

  • Nuno Silva,
  • Vaibhav Shah,
  • João Soares and
  • Helena Rodrigues

21 June 2018

Anomalies on road pavement cause discomfort to drivers and passengers, and may cause mechanical failure or even accidents. Governments spend millions of Euros every year on road maintenance, often causing traffic jams and congestion on urban roads on...

  • Article
  • Open Access
1 Citations
2,750 Views
16 Pages

Radar signal has been shown as a promising source for human identification. In daily home sleep-monitoring scenarios, large-scale motion features may not always be practical, and the heart motion or respiration data may not be as ideal as they are in...

  • Editorial
  • Open Access
147 Citations
6,141 Views
4 Pages

The series of reactive biological events that we identify as inflammation has been investigated in recent years and unveiled as an important mechanism for regeneration. The study of the underlying complexity has been boosted by new technological inno...

  • Article
  • Open Access
3 Citations
2,589 Views
15 Pages

28 June 2023

Bioinformatics software, allowing the identification of peptides by the comparison of peptide fragmentation spectra obtained by mass spectrometry versus targeted databases or directly by de novo sequencing, is now mandatory in peptidomics/proteomics...

  • Article
  • Open Access
3 Citations
3,737 Views
13 Pages

Employing Ray-Tracing and Least-Squares Support Vector Machines for Localisation

  • Benny Chitambira,
  • Simon Armour,
  • Stephen Wales and
  • Mark Beach

20 November 2018

This article evaluates the use of least-squares support vector machines, with ray-traced data, to solve the problem of localisation in multipath environments. The schemes discussed concern 2-D localisation, but could easily be extended to 3-D. It doe...

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