Communications Internationales

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Subject: search.filters.subject.DC motor

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    Improvement of the Meca-Electrical Wind Pumping System
    (Institute of Electrical and Electronics Engineers Inc, 2023) Djalloul, Achour; Mohamed, Kesraoui
    In this paper an improvement in the mecha-electrical water pumping system is proposed in order to increase the efficiency, the reliability and the flexibility. PV solar panels are added to a system that composed of a wind turbine for mechanical driving of the piston pump. A water storage is used to charge a battery through a DC machine in case of abundance of wind energy. Reversely it will supply electricity in motoring situations where a mechanical support is needed by the wind turbine to drive the piston pump. Adding another renewable source like PV solar panels will increase the assurance of pumping water permanently especially in cut offs situations where even the water storage is not enough to charge the battery. The whole system is presented, electrically and mathematically modeled. Simulation work has been performed and satisfying results in terms of water quantity increase compared to the basic system have been obtained.
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    New concept of wind pumping system : introduction and state of the art
    (IEEE, 2020) Achour, Djalloul; Kesraoui, Mohamed
    In this paper a new concept of wind pumping system that combines the advantages of the mechanical wind pumping system and those of the electrically powered one is proposed. The system consists mainly of a wind turbine, a DC machine and storage facility. The whole system will be controlled in a goal to improve the total power efficiency. First, a literature survey over what has been done up to now on wind pumping is presented. The details of the proposed system design are given. Then, the advantages of the proposed system compared to actual ones are shown. Then since this system is a part of an accepted PRFU national research project 2020-2024, an Algerian windy site for its intended implementation is suggested. Finally the three wind pumping systems are simulated to prove that the developed one has the best results
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    FPGA-Based Car-Like robot path follower with obstacle avoidance
    (IEEE, 2020) Moulay, Aicha; Laoufi, Fatima; Benslimane, Tarak; Abdelkhalek, Othmane
    This project is about the design and implementation of an System on Programmable Chip (SoPC) based automated path following with obstacle avoidance using infrared sensors and ultrasonic sensor.The Line follower robot is a mobile machine that can detect and follow the line drawn on the floor using infrared sensors which are installed under the robot. The path is predefined as a black line on a white surface with a high contrasted color.This robot is provided with ultrasonic sensor to avoid an obstacle either from the right or the and it will stop if an obstacle is detected on the path or if the path is ended.The digital controller is designed and implemented using both the integrated circuits and the Field Programmable Gate Array (FPGA)