Électronique et automatique
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Cours, examens, TD, TP et exercices de électronique et automatique. Thèmes couverts : automatisme, asservissement, microcontrôleur, Arduino, VHDL, signal.
This document delves into the principles of sequential logic, distinguishing it from combinatorial logic by its dependency on prior input states. It introduces flip-flops as fundamental memory devices, providing definitions and truth tables for variants like RS, D, and JK flip-flops, with a detailed analysis of master-slave JK configurations. The key application discussed is counting and decounting, demonstrating asynchronous and synchronous counter and decounter implementations for moduli of 8, 10, and 16 using JK flip-flop circuits. Emphasis is placed on the advantages of synchronous coun...
This document introduces a series of project proposals focusing on innovative systems leveraging artificial intelligence and signal processing. Each project targets a specific application domain, such as audio classification, emotion detection, or health diagnostics, demonstrating diverse use cases. The proposals encompass real-world issues like predictive maintenance, fault detection in manufacturing, and risk prediction in financial contexts. Overall, the document serves as a foundation for addressing computational challenges and advancing practical solutions using technology.
This course is dedicated to the study of microcontrollers, aimed at higher education students specializing in micro-programmed systems. It provides theoretical insights and practical exercises related to microcontroller architecture, particularly the PIC 16F877. The course includes evaluations through tests and a final exam to assess understanding and programming skills.
This document outlines a laboratory experiment aimed at studying inductive sensors, their characteristics, and operating principles. The study includes both theoretical analysis and practical application, focusing on implementing industrial detection solutions and troubleshooting sensor malfunctions. Students are guided through tasks involving technical documentation, testing sensor characteristics, and analyzing real-world scenarios like automobile detection. A practical learning approach is emphasized with detailed steps for configuring, testing, and replacing sensors.
Ce TP vise à étudier les détecteurs inductifs, leurs caractéristiques et leur fonctionnement. Les étudiants doivent analyser les solutions technologiques industrielles pour la détection de présence sans contact. Les groupes de travail réaliseront des montages, effectueront des mesures et rédigeront un compte-rendu.
The document provides an overview of Arduino, an open-source microcontroller platform designed for building interactive electronic projects. It details the advantages of Arduino, including its affordability, multi-platform compatibility, user-friendly programming environment, and open-source nature. Key application domains such as physical computing, robotics, and education are explored. Additionally, the document introduces different Arduino hardware versions, like Nano, Uno, and Zero, describing their features, key technical specifications, and practical usage scenarios.
This document provides an overview of Grafcet, with a focus on functional and technological specifications across two levels. Level 1 addresses the functional specification covering reactions to the operative environment without referencing technological details. Level 2 evolves into a technological and operational Grafcet, incorporating physical integration, sensors, actuators, and information processing methods. Examples illustrate pneumatic systems with single and double-effect cylinders, distributor schematics, and sequence charts for sorting mechanisms.
This document provides an in-depth discussion on the Grafcet methodology, covering the formulation of actions and transition receptivities. Key highlights include continuous and conditional orders, time-dependent actions, and specific cases of synchronization and counting. Examples illustrate applications like sequence synchronization and machine cycles, showcasing how Grafcet optimizes process control within industrial systems. The document also elaborates on the practical integration of sensors and actuators to manage operations efficiently.
The document explains the logical equations and evolution rules governing Grafcet systems, a graphical method for structured logic control representation. It outlines the five rules of evolution related to initialization, transition validation, simultaneous evolution, and activation-deactivation sequences. Key logical equations such as activation (CAXi) and deactivation (CDXi) of steps are derived, indicating step states based on preceding and succeeding steps. Finally, examples are provided to illustrate the practical application of these concepts, including scenarios involving sequential...
The document provides a collection of solved exercises designed for SMP6 students studying digital electronics for the academic year 2018-2019. The exercises cover topics like number systems conversions (binary, decimal, hexadecimal, BCD), coding intervals, complement representations, binary arithmetic, binary and hexadecimal operations, and converting values to IEEE 754 standard. Additionally, advanced exercises involve logical circuit simplifications using Karnaugh maps, Boolean algebra proofs, and designing logic circuits for controlling lamp systems with boolean functions.
The document contains solutions to three exercises focused on power electronics. Exercise 1 analyzes current and voltage waveforms along with expressions for current ripple and maximum ripple. Exercise 2 derives charge current formulas, ripple expressions, and clarifies current and voltage trajectories. Exercise 3 discusses operating periods, voltage output calculations, and ripple assessment for a circuit, presenting numerical examples for parameters such as current ripple, max/min current, and output voltage. The document provides theoretical derivations alongside calculated practical exa...
This document discusses solutions to three exercises related to power electronics topics, focusing on the analysis and mathematical modeling of current and voltage behavior over operational periods. It includes precise formulas for current ripple, charge current expressions, and voltage output calculations. Methodologies involve step-by-step derivations and interpretations of waveforms under specific conditions such as alpha equal to 0.5, with given numerical parameters. Key findings include current ripple values, maximum and minimum currents, and output voltage expressions for the exercises.
The document focuses on the analysis of a chopper feeding an inductive load, described through its operational states controlled by switch H. It introduces key concepts like the chopping period, duty cycle calculation, and average voltage across the load. Using mathematical derivations, the methodology also calculates current ripples in the load and explores strategies to minimize them. The findings highlight the role of design parameters, such as inductance and duty cycle, in optimizing the chopper's performance.
Ce document traite des amplificateurs opérationnels, détaillant leur structure, fonctionnement et importance dans l'électronique analogique. Il aborde les applications mathématiques initiales et les évolutions technologiques qui les ont rendus plus accessibles. En outre, il explique la constitution des amplificateurs, incluant les différents étages et les caractéristiques clés.
Ce document présente une introduction aux thyristors, comprenant leur constitution, leur fonctionnement et les distinctions entre les différentes jonctions P-N. Il explique comment le thyristor peut être polarisé en direct ou en inverse, ainsi que les conditions nécessaires pour son amorçage et son blocage. Des illustrations et des exemples pratiques sont fournis pour renforcer la compréhension.
This document is an examination paper from the Department of Electrical Engineering at the Institut Supérieur des Études Technologiques de Nabeul, dated 17 January 2005. It focuses on the study of a position sensor and the analysis of operational amplifiers in an oscillatory circuit. The exam includes theoretical questions and practical applications related to electronic components.
Ce document traite des onduleurs monophasés en expliquant leur fonctionnement, les types de commandes et les formes d'onde associées. Il aborde également la modulation de largeur d'impulsions comme méthode de commande. Un accent particulier est mis sur l'importance des interrupteurs et des charges dans le fonctionnement des onduleurs.
Ce document présente un cours sur l'utilisation de la diode à jonction dans le redressement de la tension alternative. Il aborde les concepts de redressement simple et double alternance, ainsi que les performances et le filtrage associés. Les applications pratiques des diodes dans divers montages électroniques sont également discutées.
Ce document traite des redresseurs monophasés, y compris leur fonctionnement et leur méthodologie d'étude. Les redresseurs non commandés sont spécifiquement examinés avec un focus sur les redresseurs à double alternance. La section discute également des étapes d'analyse et des caractéristiques des diodes idéales utilisées dans ces circuits.
Ce document présente les principes de fonctionnement des haut-parleurs et microphones en électronique. Il explique comment les haut-parleurs transforment les signaux électriques en vibrations acoustiques et vice versa pour les microphones. Les composants tels que les bobines mobiles et les filtres cross-over sont également abordés, avec des exemples de calcul.
This document presents an exam on electronic systems aimed at detecting metal objects near the ground. It includes problems related to oscillators and filters, focusing on frequency modulation and signal processing. The exam is structured with multiple sections and scoring criteria.
This document is an examination paper focusing on the principles of pressure measurement systems, including discussions on operational amplifiers and filtering circuits. It contains various sections with theoretical and practical exercises related to electronic systems. Students are expected to solve problems and demonstrate their understanding of the material.
This document covers the fundamentals of Field Effect Transistors (FET), focusing on Junction Field Effect Transistors (JFET). It examines their structure, functionality, and applications, including polarization methods and comparison with bipolar transistors. The course aims to equip students with essential knowledge about electronic components and their practical applications.
This document presents an exam on the principles of temperature measurement in a petroleum drilling context and its optical transmission to a control station. It encompasses a series of theoretical and practical questions related to temperature sensors and operational amplifiers. The significance of the design and presentation of the solutions is emphasized for grading.























