Giovanni Celano
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View article: Micro-optofluidic Devices via Projection Micro-Stereolithography: Impact of Resin Reuse on Optical Sensing Performance
Micro-optofluidic Devices via Projection Micro-Stereolithography: Impact of Resin Reuse on Optical Sensing Performance Open
This work investigates the feasibility of recovering and regenerating uncured methacrylate-based photocurable resin from a previous 3D printing build job before being reused for a consecutive second and third build job. In detail, it was i…
View article: Impact of resin reuse on form accuracy in 3D printed microchannels and effects on hydrodynamic flow stability
Impact of resin reuse on form accuracy in 3D printed microchannels and effects on hydrodynamic flow stability Open
View article: Investigating the performance of the Phase II Hotelling T2 chart when monitoring multivariate time series observations
Investigating the performance of the Phase II Hotelling T2 chart when monitoring multivariate time series observations Open
Thanks to high-tech measurement systems like sensors, data are often collected with high frequency in modern industrial processes. This phenomenon could potentially produce autocorrelated and cross-correlated measurements. It has been show…
View article: The effect of surface roughness on the performance of 3D printed surface plasmon resonance sensors for refractive index measurements
The effect of surface roughness on the performance of 3D printed surface plasmon resonance sensors for refractive index measurements Open
In this study, a polymer-based surface plasmon resonance (SPR) sensor for refractive index measurements was designed and manufactured via inkjet 3D printing; then, it was optically characterized. Next, it was investigated how the surface f…
View article: Projection Micro-Stereolithography to Manufacture a Biocompatible Micro-Optofluidic Device for Cell Concentration Monitoring
Projection Micro-Stereolithography to Manufacture a Biocompatible Micro-Optofluidic Device for Cell Concentration Monitoring Open
In this work, a 3D printed biocompatible micro-optofluidic (MoF) device for two-phase flow monitoring is presented. Both an air–water bi-phase flow and a two-phase mixture composed of micrometric cells suspended on a liquid solution were s…
View article: A Regression Approach to Model Refractive Index Measurements of Novel 3D Printable Photocurable Resins for Micro-Optofluidic Applications
A Regression Approach to Model Refractive Index Measurements of Novel 3D Printable Photocurable Resins for Micro-Optofluidic Applications Open
In this work, a quadratic polynomial regression model was developed to aid practitioners in the determination of the refractive index value of transparent 3D printable photocurable resins usable for micro-optofluidic applications. The mode…
View article: The Shewhart-type RZ control chart for monitoring the ratio of autocorrelated variables
The Shewhart-type RZ control chart for monitoring the ratio of autocorrelated variables Open
International audience
View article: An exponentially weighted moving average control chart based on signed ranks for finite horizon processes
An exponentially weighted moving average control chart based on signed ranks for finite horizon processes Open
International audience
View article: A novel approach to Manufacture a Micro-Structured Surface Plasmon Resonance Multiparameter Sensor based on Inkjet 3D Printing for Simultaneous Measurements of Refractive Index and Temperature
A novel approach to Manufacture a Micro-Structured Surface Plasmon Resonance Multiparameter Sensor based on Inkjet 3D Printing for Simultaneous Measurements of Refractive Index and Temperature Open
In this work, a Surface Plasmon Resonance (SPR) multiparameter sensor for simultaneous determination of refractive index and temperature was manufactured through a novel and low-cost approach. A polymer planar optical structure was realize…
View article: Monitoring the multivariate coefficient of variation in presence of autocorrelation with variable parameters control charts
Monitoring the multivariate coefficient of variation in presence of autocorrelation with variable parameters control charts Open
The coefficient of variation is a very important process parameter in many processes. A few control charts have been considered so far for monitoring its multivariate counterpart, i.e., the multivariate coefficient of variation (MCV). In a…
View article: A bootstrap method for the measurement error estimation in Gauge R&R$R{\&}R$ Studies
A bootstrap method for the measurement error estimation in Gauge R&R$R{\&}R$ Studies Open
A measurement system fit for use is an essential resource to perform quality control activities: its assessment must be carried out periodically to quantify its bias(location) and precision(width) error to qualify it for the purpose it is …
View article: Projection micro-stereolithography versus master–slave approach to manufacture a micro-optofluidic device for slug flow detection
Projection micro-stereolithography versus master–slave approach to manufacture a micro-optofluidic device for slug flow detection Open
In this work, the use of projection micro-stereolithography (PμSL) to 3D print a micro-optofluidic device for slug flow detection is presented. For comparison purposes, a poly-dimethylsiloxane (PDMS)–based device was also manufactured by a…
View article: A number‐between‐events control chart for monitoring finite horizon production processes
A number‐between‐events control chart for monitoring finite horizon production processes Open
In this paper, we present a number‐between‐events (NBE) control chart for monitoring the fraction nonconforming in finite horizon production (FHP) processes and related specific performance measures. When monitoring fractions nonconforming…
View article: Projection Micro Stereolithography (PµSL) to 3D Print a Micro-Optofluidic Device for Two-Phase Slug Flow Detection: a Comparison with a PDMS-Based Device Manufactured by Resin Casting
Projection Micro Stereolithography (PµSL) to 3D Print a Micro-Optofluidic Device for Two-Phase Slug Flow Detection: a Comparison with a PDMS-Based Device Manufactured by Resin Casting Open
In this work, the use of Projection Micro Stereolithography (PmSL) to 3D print a micro-optofluidic device for two-phase slug flow detection is presented. For comparison purposes a PDMS based device obtained by casting was also manufactured…
View article: Monitoring the covariance matrix of bivariate processes with the DVMAX control charts
Monitoring the covariance matrix of bivariate processes with the DVMAX control charts Open
Two versions of Phase II attribute+variable (DVMAX) control charts are investigated for monitoring the covariance matrix of bivariate processes. Monitoring always starts with an attribute chart employing the Max D control chart and, depend…
View article: Control Charts for Monitoring Time-Between-Events-and-Amplitude Data
Control Charts for Monitoring Time-Between-Events-and-Amplitude Data Open
View article: The Effect of Autocorrelation on the Shewhart-RZ Control Chart
The Effect of Autocorrelation on the Shewhart-RZ Control Chart Open
In many industrial manufacturing processes, the quality of products depends on the relation between two main ingredients or characteristics. Often, this calls for monitoring the ratio of two normal random variables with statistical process…
View article: An EWMA-type chart based on signed ranks with exact run length properties
An EWMA-type chart based on signed ranks with exact run length properties Open
International audience
View article: Methods for the Characterization of Polyetherimide Based Materials Processed by Fused Deposition Modelling
Methods for the Characterization of Polyetherimide Based Materials Processed by Fused Deposition Modelling Open
Fused deposition modelling (FDM™) is one of the most promising additive manufacturing technologies and its application in industrial practice is increasingly spreading. Among its successful applications, FDM™ is used in structural applicat…
View article: A distribution-free EWMA control chart for monitoring time-between-events-and-amplitude data
A distribution-free EWMA control chart for monitoring time-between-events-and-amplitude data Open
Many control charts have been developed for the simultaneous monitoring of the time interval T between successive occurrences of an event E and its magnitude X. All these TBEA (Time Between Events and Amplitude) control chart…
View article: One-sided synthetic control charts for monitoring the multivariate coefficient of variation
One-sided synthetic control charts for monitoring the multivariate coefficient of variation Open
International audience
View article: Economic and statistical design of Vp control charts for finite-horizon processes
Economic and statistical design of Vp control charts for finite-horizon processes Open
In manufacturing environments where the production horizon for a specific product can be limited to a few hours or shifts, statistical process monitoring based on control charts is strategic to cut scrap, rework costs, and meet due dates. …