Paolo Chiariotti
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View article: On the Effect of Intra- and Inter-Node Sampling Variability on Operational Modal Parameters in a Digital MEMS-Based Accelerometer Sensor Network for SHM: A Preliminary Numerical Investigation
On the Effect of Intra- and Inter-Node Sampling Variability on Operational Modal Parameters in a Digital MEMS-Based Accelerometer Sensor Network for SHM: A Preliminary Numerical Investigation Open
Reliable estimation of operational modal parameters is essential in structural health monitoring (SHM), particularly when these parameters serve as damage-sensitive features. Modern distributed monitoring systems, often employing digital M…
View article: A compact 3D bandgap multi-material metamaterial design for vibration testing
A compact 3D bandgap multi-material metamaterial design for vibration testing Open
The use of metamaterials is an established approach in the field of vibration isolation, leveraging their exceptional tunability over a vast range of frequencies. A key challenge in designing lattice structures is the trade-off between geo…
View article: Spectral emissivity measurement for high-temperature applications: a systematic review
Spectral emissivity measurement for high-temperature applications: a systematic review Open
Measuring emissivity is pivotal for obtaining reliable high-temperature measurements through non-contact techniques such as pyrometry and thermal imaging. The interest in characterizing materials in terms of their radiant properties has in…
View article: A Measurement Approach for Characterizing Temperature-Related Emissivity Variability in High-Emissivity Materials
A Measurement Approach for Characterizing Temperature-Related Emissivity Variability in High-Emissivity Materials Open
The effective knowledge of emissivity is pivotal to obtain reliable temperature measurements through non-contact techniques like pyrometry and thermal imaging. This is fundamental in high-temperature applications since material emissivity …
View article: AI-Enhanced IoT System for Assessing Bridge Deflection in Drive-By Conditions
AI-Enhanced IoT System for Assessing Bridge Deflection in Drive-By Conditions Open
The increasing traffic on roads poses a significant challenge to the structural integrity of bridges and viaducts. Indirect structural monitoring offers a cost-effective and efficient solution for monitoring multiple infrastructures. The p…
View article: Automated vision-based concrete crack measurement system
Automated vision-based concrete crack measurement system Open
Maintaining and ensuring the safety of ageing infrastructures is becoming of uttermost importance. This is particularly critical in Europe, where several infrastructures like tunnels and bridges are approaching their end-of-life. Such a co…
View article: EEG measurements-based study for evaluating acoustic human perception: A pilot study
EEG measurements-based study for evaluating acoustic human perception: A pilot study Open
Sound quality analysis and sound design are well-known human-centered strategies to evaluate the subjective perception of noise and to design machines and environments with pleasant and comfortable acoustic signatures. The subjective acous…
View article: Facial Expression Recognition for Measuring Jurors’ Attention in Acoustic Jury Tests
Facial Expression Recognition for Measuring Jurors’ Attention in Acoustic Jury Tests Open
The perception of sound greatly impacts users’ emotional states, expectations, affective relationships with products, and purchase decisions. Consequently, assessing the perceived quality of sounds through jury testing is crucial in produc…
View article: On the prediction of the time-varying behaviour of dynamic systems by interpolating state-space models
On the prediction of the time-varying behaviour of dynamic systems by interpolating state-space models Open
In this article, a local Linear Parameter Varying (LPV) model identification approach is exploited to analyze the dynamic behaviour of a structure whose dynamics varies over time. This structure is composed by two aluminum crosses connecte…
View article: Time stability of the dynamic behaviour of a 3D-printed airless wheel by stereolithography
Time stability of the dynamic behaviour of a 3D-printed airless wheel by stereolithography Open
In this paper, the dynamic behavior of an airless wheel made by additive manufacturing is investigated. A lattice geometry is chosen as the cyclic pattern from which the wheel is built. Initially, a linear numerical model is used to prelim…
View article: On the computation of stable coupled state-space models for dynamic substructuring applications
On the computation of stable coupled state-space models for dynamic substructuring applications Open
This paper aims at introducing a methodology to compute stable coupled state-space models for dynamic substructuring applications by introducing two novel approaches targeted to accomplish this task: (a) a procedure to impose Newtons's sec…
View article: On the computation of stable coupled state-space models for dynamic substructuring applications
On the computation of stable coupled state-space models for dynamic substructuring applications Open
This paper aims at introducing a methodology to compute stable coupled state-space models for dynamic substructuring applications by introducing two novel approaches targeted to accomplish this task: (a) a procedure to impose Newtons's sec…
View article: In-Situ Component-Based TPA for Time-Variant Dynamic Systems: A State-Space Formulation
In-Situ Component-Based TPA for Time-Variant Dynamic Systems: A State-Space Formulation Open
In this chapter, a methodology to calculate equivalent forces by taking into account the possible time-varying dynamic behavior of the components under analysis is presented. This methodology is based on the use of the state-space realizat…
View article: Automated Measurement of Geometric Features in Curvilinear Structures Exploiting Steger’s Algorithm
Automated Measurement of Geometric Features in Curvilinear Structures Exploiting Steger’s Algorithm Open
Accurately assessing the geometric features of curvilinear structures on images is of paramount importance in many vision-based measurement systems targeting technological fields such as quality control, defect analysis, biomedical, aerial…
View article: Biochar and recycled carbon fibres as additions for low-resistive cement-based composites exposed to accelerated degradation
Biochar and recycled carbon fibres as additions for low-resistive cement-based composites exposed to accelerated degradation Open
Biochar (BCH) and recycled carbon fibres (RCF) were used as carbonaceous additions in low-resistive mortars/concretes. Their effects on mechanical, electrical, and durability properties were investigated. Tests were performed both during c…
View article: Including connecting elements into the Lagrange multiplier state-space substructuring formulation
Including connecting elements into the Lagrange multiplier state-space substructuring formulation Open
This paper extends the inverse substructuring (IS) approach into the state-space domain and presents a novel state-space substructuring (SSS) technique that embeds the dynamics of connecting elements (CEs) in the Lagrange Multiplier State-…
View article: Algorithms for Vision-Based Quality Control of Circularly Symmetric Components
Algorithms for Vision-Based Quality Control of Circularly Symmetric Components Open
Quality inspection in the industrial production field is experiencing a strong technological development that benefits from the combination of vision-based techniques with artificial intelligence algorithms. This paper initially addresses …
View article: SwimmerNET: Underwater 2D Swimmer Pose Estimation Exploiting Fully Convolutional Neural Networks
SwimmerNET: Underwater 2D Swimmer Pose Estimation Exploiting Fully Convolutional Neural Networks Open
Professional swimming coaches make use of videos to evaluate their athletes’ performances. Specifically, the videos are manually analyzed in order to observe the movements of all parts of the swimmer’s body during the exercise and to give …
View article: On the use of Lagrange Multiplier State-Space Substructuring in dynamic substructuring analysis
On the use of Lagrange Multiplier State-Space Substructuring in dynamic substructuring analysis Open
In this article, the formulation of Lagrange Multiplier State-Space Substructuring (LM-SSS) is presented and extended to directly compute coupled displacement and velocity state-space models. The LM-SSS method is applied to couple and deco…
View article: Measurement of the structural behaviour of a 3D airless wheel prototype by means of optical non-contact techniques
Measurement of the structural behaviour of a 3D airless wheel prototype by means of optical non-contact techniques Open
Additive Manufacturing (AM) is becoming a widely employed technique also in mass production. In this field, compliances with geometry and mechanical performance standards represent a crucial constrain. Since 3D printed products exhibit a m…
View article: Low-Cost and High-Performance Solution for Positioning and Monitoring of Large Structures
Low-Cost and High-Performance Solution for Positioning and Monitoring of Large Structures Open
Systems for accurate attitude and position monitoring of large structures, such as bridges, tunnels, and offshore platforms are changing in recent years thanks to the exploitation of sensors based on Micro-ElectroMechanical Systems (MEMS) …
View article: Acoustic Attenuation of COVID-19 Face Masks: Correlation to Fibrous Material Porosity, Mask Breathability and Bacterial Filtration Efficiency
Acoustic Attenuation of COVID-19 Face Masks: Correlation to Fibrous Material Porosity, Mask Breathability and Bacterial Filtration Efficiency Open
This paper presents an experimental study on acoustic attenuation of different types of face masks in use by the general population during the COVID-19 pandemic. In particular, measurements are performed on ten samples of masks, of which f…
View article: Effect of Gasification Char and Recycled Carbon Fibres on the Electrical Impedance of Concrete Exposed to Accelerated Degradation
Effect of Gasification Char and Recycled Carbon Fibres on the Electrical Impedance of Concrete Exposed to Accelerated Degradation Open
This paper aims to evaluate the effect of carbon-based conductive recycled additions, i.e., recycled carbon fibres (RCF) and gasification char (GCH), on the mechanical, electrical, and durability properties of concretes. The obtained resul…