Unit
SCI STI CD Group
GroupRelated publications (329)
Fractal Analysis and Time Series Application in ZY-4 SEM Micro Fractographies Evaluation
SEM microfractographies of Zircaloy-4 are studied by fractal analysis and the time-series method. We first develop a computer application that associates the fractal dimension and lacunarity to each SEM micrograph picture, and produce a nonlinear analysis ...
MDPI2022Non-Linear Behaviors In The Dynamics Of Complex Systems Through A Multifractal Hydrodynamic Model
Some non-linear behaviors in the dynamics of complex systems using the Scale Relativity Theory in the form of Multifractal Hydrodynamic Model are analyzed. By assimilating any complex system to a mathematical multifractal-type object, it is shown that the ...
UNIV POLITEHNICA BUCHAREST, SCI BULL2022Wild solutions of the Navier-Stokes equations whose singular sets in time have Hausdorff dimension strictly less than 1
We prove non-uniqueness for a class of weak solutions to the Navier???Stokes equations which have bounded kinetic energy, integrable vorticity, and are smooth outside a fractal set of singular times with Hausdorff dimension strictly less than 1. ...
2022Bistable-Type Interactions Of Complex Systems In A Fractal Paradigm Of Motion
In the present paper the "interface" dynamics in the case of two complex systems interaction, assimilated to fractal-type mathematical objects, are analyzed. In such context, fractal bistable-type behaviors as transitions in the scale space are obtained. O ...
UNIV POLITEHNICA BUCHAREST, SCI BULL2022Bistable-Type Interactions Of Complex Systems In A Fractal Paradigm Of Motion
In the present paper the "interface" dynamics in the case of two complex systems interaction, assimilated to fractal-type mathematical objects, are analyzed. In such context, fractal bistable-type behaviors as transitions in the scale space are obtained. O ...
UNIV POLITEHNICA BUCHAREST, SCI BULL2022Power Shifts, Emigration, and Population Sorting
We investigate the consequences of a peaceful shift of power from one social group to another. Theoretically, we show that an individual’s decision to stay put or migrate depends on the difference between the political preferences of groups and the change ...
ETH Zurich2022Geometric Percolation of Spherically Symmetric Fractal Aggregates
The connectedness percolation threshold (phi(c)) for spherically symmetric, randomly distributed fractal aggregates is investigated as a function of the fractal dimension (d(F)) of the aggregates through a mean-field approach. A pair of aggregates (each of ...
SPRINGER2022Resource Trade-Offs in Circuits and Systems: from Neurotechnology to Communications
This thesis aims to explore and exploit trade-offs in integrated circuits and systems to overcome the fundamental bottlenecks faced by future data acquisition and communication systems. Specifically, we target the emerging implantable neurotechnology and t ...
EPFL2021High voltage power supply system for tethered drone part II
A high voltage power supply system for a tethered drone is presented. The project is a follow-up to a previous semester project and the purpose of this project is to review the implementation, improve the design and solve problems. The system consists of a ...
2021An energy autonomous and battery-free measurement system for ambient light power with time domain readout
Catherine Dehollain, Roberto La Rosa
Internet of Things (IoT) provides more and more adequate infrastructures for many applications and advanced services. This context promotes the ability to satisfy the growing demand for innovative measuring systems, increasingly popular with intelligent no ...
ELSEVIER SCI LTD2021