Répartition de la force d'appui sur les protecteurs des genoux Résumé De nombreuses situations de travail nécessitent l'utilisation de genouillères, qui sont testées selon la norme européenne EN 14404. L'objectif de cette étude était... more
Ce livret répond aux principales questions que vous pouvez vous poser sur le mal de dos que l'on appelle « lombalgie »
This paper presents a method for modelling the permeability of fluid at the interface formed between flat parallel plates and the sharp-edged ridges of a metal gasket. This work was divided into three stages. In the first stage, numerical... more
In this paper, we first report a micropump actuated by surface tension based on continuous electrowetting (CEW). We have used the surface-tension-induced motion of a mercury drop in a microchannel filled with an electrolyte as actuation... more
Wherever you look at, you can see a screen. Large displays are increasingly present in our life. So, we design more and more innovative interaction. This article presents the characterization of human average head pose, with a Head... more
An activated RDX-Fe2O3 xerogel in a Si-microchannel plate (MCP) has been successfully prepared by a novel propylene epoxide-mediated sol-gel method. A decrease of nearly 40 °C in decomposition temperature has been observed compared with... more
We present a three-dimensional (3-D) endoscopic optical coherence tomography (OCT) system using a dual axis scanning mirror. The MEMS device employed in this study utilized a 1.2 mm mirror and exhibited x and y-axis resonant frequencies... more
Author(s): Ibrahim, Ahmed Mokhtar Nagy | Advisor(s): Eltawil, Ahmed | Abstract: Smart phones are an indispensable tool in modern day-to-day life. Their widespread use has spawned numerous applications targeting diverse domains such as... more
An optimum design technique for balanced surface acoustic wave (SAW) filters is proposed. First of all, in order to evaluate the performance of balanced SAW filters by the computer simulation, a numerical model of balanced SAW filters is... more
La problématique rachidienne, a, de tous temps, suscité un intérêt particulier dans les études qui ont été menées sur le cavalier. Cependant, si bon nombre de travaux ont porté sur les conséquences, pour l’axe rachidien de la pratique de... more
Nowadays, low-cost accelerometers are getting more attention from civil engineers to make Structural Health Monitoring (SHM) applications affordable and applicable to a broader range of structures. The present accelerometers based on... more
The implementation of systems for Structural Health Monitoring and Earthquake Observation is increasing in the last years owing to the development of new technologies which enable low-cost and small-size devices to be installed in... more
A multiscale approach to the monitoring of earthquakes and their effects can represent an effective tool for the reduction of seismic risk. Devoted monitoring networks are essential to cope with the seismic emergency in urban areas, to... more
s des communications particulières / Revue de chirurgie orthopédique et traumatologique 103S (2017) S27-S145 met une amélioration de la réduction articulaire, compte tenu du fait qu'il n'y a aucune possibilité d'avoir un contrôle visuel... more
In seismic applications, the molecular-electronic transfer (MET) sensors are considered as ones of the most promising instruments for the measurements of seismic-associated signals. The subject of the presented study is the MET... more
SAW devices have become increasingly important in implementing sensors, chemical and biological warfare agent detectors, resonators and wireless applications as a filter. These types of device can be implemented with... more
This paper presents findings from ongoing research that explores the ability to use Micro-Electromechanical Systems (MEMS)-based technologies and various digital communication protocols for earthquake early warning (EEW). The paper... more
Electroencephalograph (EEG) recording systems offer a versatile, non-invasive window on the brain's spatiotemporal activity for many neuroscience and clinical applications. Our research aims to improve the convenience and mobility of EEG... more
Electroencephalograph (EEG) recording systems offer a versatile, non-invasive window on the brain's spatiotemporal activity for many neuroscience and clinical applications. Our research aims to improve the convenience and mobility of EEG... more
Ce qu'il faut retenir L'objectif de ce projet est de créer un simulateur interactif de communication par les guides pour optimiser l'enseignement et l'apprentissage à l'équitation attelée. Cet outil fait partie intégrante d'un projet plus... more
A method is derived for the calculation of ground acceleration from geophone data using a frequency-domain inverse filter and an empirical scaling constant. Acceleration-domain spectra from geophones and MEMS accelerometers from an... more
This paper reports a novel concept for designing widebandwidth micromachined gyroscopes with improved robustness. The approach suggests the use of two independently oscillating interconnected proof masses to form a 4-DOF dynamical system,... more
Earthquake Early Warning Systems (EEWS) are often challenged when the earthquakes occur outside the seismic network or where the station density is sparse. In these situations, poor locations and large alert delays are more common because... more
Digital Twins (DT) models are gaining special attention in the management and maintenance of facilities. The quality of data contained in these models may be enhanced by the use of processed information coming from long-term Structural... more
In this paper, we first report a micropump actuated by surface tension based on continuous electrowetting (CEW). We have used the surface-tension-induced motion of a mercury drop in a microchannel filled with an electrolyte as actuation... more
Electroencephalograph (EEG) recording systems offer a versatile, non-invasive window on the brain's spatiotemporal activity for many neuroscience and clinical applications. Our research aims to improve the convenience and mobility of EEG... more
This paper reports a design concept for robustness improvement of micromachined gyroscopes. The novelty of the approach is in expanding the design space of the device by increasing the degrees-of-freedom (DOF) of the system. The approach... more
A high-precision angular accelerometer based on molecular-electronic transfer (MET) technology with a high dynamic range and a low level of self-noise has been developed. Its difference from the analogues is in the use of liquid... more
La problématique rachidienne, a, de tous temps, suscité un intérêt particulier dans les études qui ont été menées sur le cavalier. Cependant, si bon nombre de travaux ont porté sur les conséquences, pour l’axe rachidien de la pratique de... more
In this paper, we first report a micropump actuated by surface tension based on continuous electrowetting (CEW). We have used the surface-tension-induced motion of a mercury drop in a microchannel filled with an electrolyte as actuation... more
We describe the first dense real-time urban seismic–accelerometric network in Italy, named OSU-CT, located in the historic center of Catania. The city lies in the region with the greatest danger, vulnerability, and earthquake exposure in... more
A novel sensing device for simultaneous dissolved oxygen (DO) and pH monitoring specially designed for biofilm profiling is presented in this work. This device enabled the recording of instantaneous DO and pH dynamic profiles within... more
Electroencephalograph (EEG) recording systems offer a versatile, non-invasive window on the brain's spatiotemporal activity for many neuroscience and clinical applications. Our research aims to improve the convenience and mobility of EEG... more
We derive the general formula, at a finite cutoff, for the change in the boundary condition of a scalar field in AdS under a Multiple-trace deformation of the dual CFT. Our analysis suggests that fluctuations around the classical solution... more
Total glass microdevices have attracted wide interest in the development of micro total analysis systems (TAS), laser microsurgery, micro heat pipes and microfluidics researches because of the possibility for optical diagnostics and... more
Polymers, such as poly͑methyl methacrylate͒ ͑PMMA͒, are important structural materials for microsystems because of their excellent mechanical properties; however, they suffer from severe problems of adhesion, friction, and wear ͓B.... more
Novel types of mm-wave tunable filters using micromachined variable capacitors are presented. In order to demonstrate this concept, two bandpass filters, one with 2-pole lumped elements and the other with 2- pole resonators are designed... more
Due to the fact that Philippines is located along the Pacific ring of fire, visual inspection to assess the integrity of a structure is commonly used in the country. Other methods also exist but require destruction of a portion of the... more
The Earthquake Network research project implements a crowdsourced earthquake early warning system based on smartphones. Smartphones, which are made available by the global population, exploit the Internet connection to report a signal to... more
In recent years, thanks to the simple and yet efficient design, Micro Electro-Mechanical Systems (MEMS) accelerometers have proven to offer a suitable solution for Structural Health Monitoring (SHM) in civil engineering applications. Such... more
The Community Seismic Network (CSN) has partnered with the NASA Jet Propulsion Laboratory (JPL) to initiate a campus-wide structural monitoring program of all buildings on the premises. The JPL campus serves as a proxy for a densely... more
Here, we consider the advantages of including MEMS-type seismometers on one or more landed missions. Micro-Electro-Mechanical Systems (MEMS) sensors are small, lightweight sensors etched on a silicon wafer. A critical question is whether... more
This paper presents the design and optimisation of a very high quality (Q) factor inductor using MEMS technology for 10 GHz to 20 GHz frequency band. The effects of various parameters of a symmetric inductor structure on the Q-factor and... more
This paper reports a novel concept for designing widebandwidth micromachined gyroscopes with improved robustness. The approach suggests the use of two independently oscillating interconnected proof masses to form a 4-DOF dynamical system,... more