This work provides a new diagnosis method for broken bar and mixed air gap eccentricity faults in the closed loop control of a squirrel cage induction motor. The closed loop system is widely used in industrial applications ...
This thesis deals with the study of attitude control systems and the development of control laws to ensure the stabilization of the attitude system. This was achieved by combining the dynamic systems control theory and ...
The integration of photovoltaic (PV) systems into the electrical grid faces numerous technical challenges, including the reliable and efficient export of energy to the grid while ensuring energy quality requirements. In ...
The objective of this thesis is to optimize the design of a wind energy conversion system by establishing an optimal balance between cost, energy efficiency, system performance, and the quality of energy injected into the ...
Nanofluids are considered the working fluids of the future due to their improved thermophysical properties. However, the behavior of nanofluids in terms of improved heat transfer and flow characteristics remains a very ...
In this PhD Thesis, we address the problem of automatic ship detection acquires from SAR (Synthetic Aperture Radar) images in complex marine environments. Assuming a non-Gaussian sea clutter with no prior knowledge about ...
In recent years, carbon fiber reinforced polymers (CFRP) have gained increasing interest in the strengthening of structural members. This trend is due to the specific properties of CFRP, which contribute significantly to ...
The reinforcement of damaged structures, by bonding composite patches, is a promising and beneficial repair technique, especially in the field of air transport. This method consists in reinforcing preventively damaged ...
The extreme volatility of volatile organic compounds (COVs) molecules gives them the ability to diffuse far from their source of emission, resulting in direct and indirect impacts on ecosystems and human health. The exposure ...
This thesis is a study of a vapor ejection refrigerating machine. The study consists in developing a program allowing the sizing of the ejector taking into account the characteristic data of the three heat sources (the ...
Currently, cell materials are used in various sectors, such as automobile, transport and aerospace. A cell solid is a solid consisting of a connected network of solid links and/and plates forming the edges and the faces ...
In the past, production has been simple, but as time, with the opening of the global market, companies
have begun to implement various initiatives, including the adoption of globalization strategies,
diversification of ...
This work is a proposal for a new structure of voltage sensor based on photonic crystals; it is composed of U-shaped photonic crystal ring resonator placed between two waveguides. The sensors structures have been changed ...
Abdessemad, Oussama; Nemmour, Ahmed Lokmane(Université Frères Mentouri Constantine 1, 2024-12-12)
Wind energy occupies a central place among all available renewable energies. Until now, the new technological solutions offered by wind generators are of considerable interest due to their production capacity, their ...
Traffic congestion in urban areas is a major challenge for city management today. It not only compromises the efficiency and sustainability of transport systems, but also affects citizens' quality of life and the environment. ...
The present study focused on the two-dimensional numerical study of the effect of
dimensionless parameters on the transition from mixed convection (laminar and turbulent) within a cavity with an aspect ratio A. The right ...
Stainless steels are widely used in industries such as aerospace, biomedical and
automotive due to their corrosion resistance and excellent mechanical properties. However,
their machinability remains a major challenge, ...
The effective management of the supply chain has become crucial in today's business
landscape to maintain companies' competitiveness. This thesis delves deep into the
theoretical foundations, modeling methods, performance ...
The aim of this thesis is to investigate the improvement of heat transfer during the drying process of the round perforated brick manufactured in Algeria; this investigation requires the examination of its hygrothermal ...
In the face of climate challenges and the depletion of fossil resources, a transition to
renewable energy is imperative. In this context, Algeria is harnessing its considerable solar potential, particularly in agricultural ...