Électronique et automatique
201 documents à télécharger gratuitement
Cours, examens, TD, TP et exercices de électronique et automatique. Thèmes couverts : automatisme, asservissement, microcontrôleur, Arduino, VHDL, signal.
This document explores advanced digital communication techniques focusing on digital modulation over infinite-bandwidth channels. It begins with methods such as baseband and carrier wave transmission, highlighting spectrum shaping and frequency transposition principles. Specific modulation types like amplitude modulation (PAM), phase modulation (PSK), and quadrature amplitude modulation (QAM) are analyzed. Lastly, it delves into spectrum considerations, power density analysis, and visual representations of symbol constellations for different modulation schemes.
The document presents the development and implementation of an Eclipse RCP-based application designed to configure and code electronic control units, leveraging embedded systems concepts. The methodology includes the design of modular, extensible software features following the MVC design pattern with integration of GEF technology. Comparative analysis of plugins highlights the selection process for JGraph, GMF, and GEF for visual modeling tasks. Final output targets include flowchart generation, enhanced H86 file conversion, and expanded modularity for multi-bus systems.
Ce rapport présente les travaux réalisés durant un stage au sein de Tunisie Telecom. Il aborde les différentes structures et applications utilisées dans le domaine des télécommunications. Enfin, il discute des évolutions récentes dans les technologies de communication.
This document outlines the fundamentals and advanced concepts of robotics engineering as taught in the MASTER ISTI program under Professor Jacques Gangloff at ENSPS 3A. It introduces the field of robotics, including its history, various types of robots (e.g., manipulators, humanoids), and core concepts such as kinematics, dynamics, and control strategies focusing on Denavit-Hartenberg conventions and task-space trajectory planning. Furthermore, the document elaborates on characterization of robots by geometry, workspace, precision, and payload, while detailing current and future uses of rob...
Ce rapport présente les travaux réalisés lors d'un stage de Master 2 consacré à l'intégration de données de capteurs pour le SGE. Il inclut des remerciements aux encadrants et une présentation détaillée du projet. L'analyse des systèmes d'intégration et des solutions proposées est également développée.
This document focuses on digital and analog signal filtering techniques, exploring linear systems characterized by impulse response, the use of Laplace and Z-transforms for system analysis, and implementing various passive and active filter types such as low-pass, high-pass, band-pass, and band-reject filters. Additionally, the theoretical foundation of filters like Butterworth and ARMA models is expanded with practical examples in MATLAB for filter design and simulation, emphasizing stability, time-discrete signal processing, and frequency-domain analysis methods.
This document is a practical guide for students of Electrical Engineering (specialization in Power Electronics) in their second year of university studies. It introduces key topics such as the functioning of power semiconductors in switching mode, controlled and uncontrolled rectifier circuits, mixed rectifier circuits, and single-phase and three-phase choppers. Detailed theoretical explanations, circuit analysis, and problem-solving exercises accompany the guide. It also emphasizes the use of ideal components for circuit simulations while highlighting the assumption of sufficiently large s...
This document, part of an examination, discusses embedded systems and provides corrections to exam exercises. It includes detailed descriptions of data types, structures, enumerations, and macros used in microcontroller programming. The document also includes code snippets for functions such as EXTI initialization and GPIO configurations. Specific corrections are highlighted for exercises involving GPIO pin assignment and external interrupt setups.
This thesis explores methods to automatically detect changes in topographic building data by comparing a medium-scale database with aerial stereo images. The methodology relies on geometric comparisons and models uncertainty using the Dempster-Shafer theory of evidence. A graph-based line-by-line matching process is proposed to estimate probabilities of ambiguity in 3D data extraction, ensuring reliability. The proposed algorithms have been validated against real data, demonstrating their effectiveness in improving change detection while automating previously manual processes in updating na...
This document is an examination focused on embedded systems. It includes questions on VHDL programming for logical gates and SoC strategy, covering topics such as compilation strategy for sequential C programs on SoC hardware and challenges in embedded system programming. Additionally, the exam introduces problem-solving for a system like the Simon game, discussing hardware initialization, button interaction, speaker output, and signal generation for player interaction in an embedded system context.
This legal document establishes the technical specifications and standards that various petroleum products (supercarburants, essences, pétrole, gasoil, and fuel-oil) must meet to be sold. It specifies tests for characteristics like distillation, density, vapor pressure, sulfur content, and octane or cetane index. The regulation also mandates the labeling with trademarks and outlines required methods for compliance verification. Additionally, it assigns enforcement responsibility to the director of mines and geology.
The document provides a comprehensive analysis of deterministic and statistical interpretations of signals and their applications in medical imaging, focusing on electrocardiograms (ECGs) and related physiological signals. The deterministic approach explores stationarity and time-frequency analysis, including periodic and non-periodic signal components. Statistical analysis emphasizes frequency content averaged over time and introduces stochastic models, notably power spectral density (PSD) for identifying frequency patterns. Applications include HRV (Heart Rate Variability) analysis, balan...
The document is a comprehensive guide focusing on Discrete Fourier Transform (DFT) and its Fast Fourier Transform (FFT) algorithm. It introduces MATLAB-based tools like Wavelab for signal generation and manipulation, dives deeply into theoretical foundations, and provides step-by-step instructions for visualization, manipulation, and filtering of signals using MATLAB. Additionally, it discusses 2D Fourier applications on images and sound filtering techniques, providing practical examples and coding exercises for students to reinforce concepts.
This document outlines the development of an electronic auction platform, PVEE, designed to optimize user experience, ensure security, and provide configurability. The methodology includes defining functional needs such as user registration, authentication, auction creation, and history tracking, combined with non-functional requirements like security and maintainability. Prototypes and UML diagrams (use-case, sequence, deployment) are key tools utilized to visualize design logic and test ergonomy. The design spans a layered architecture, detailed diagrammatic representation, and package gr...
The document outlines the specifications for developing an electronic auction platform capable of supporting both English and Dutch auctions. The system includes functionalities for user registration, dynamic configuration of site parameters, navigation through articles and categories, and advanced auction management. Employing the Unified Process (UP) development methodology, it highlights dynamic configuration capabilities, user-friendly navigation, and robust rules for auction handling to ensure smooth operation for buyers, sellers, and administrators.
Ce document présente une vue d'ensemble des ordinateurs, en détaillant les composants essentiels tels que la mémoire centrale, l'unité centrale de traitement et les périphériques d'entrée/sortie. Il aborde également les types d'ordinateurs et leur fonctionnement. Enfin, le document explique le rôle des bus dans la transmission des informations.
Ce document présente les définitions et le fonctionnement des compteurs asynchrones et synchrones. Il explique comment ces compteurs peuvent être programmés et les méthodes de leur synthèse. Des exemples pratiques et des représentations graphiques complémentaires illustrent la théorie.
This document details the implementation of Frequency Shift Keying (FSK) modulation on a Blackfin533 DSP processor. It describes the architecture of the embedded module, memory allocation for data and code, and the process for generating sinusoidal signals based on binary input symbols. Various figures illustrate the system's architecture and operations.
This document provides comprehensive guidelines for ensuring industrial machine safety in compliance with European and Tunisian regulatory standards. It covers key principles, including risk assessment, prevention measures, and machine design safety as per ISO and EN norms. Detailed instructions are provided on evaluation processes, safety accreditation requirements, and steps to mitigate workplace hazards. The text also highlights rights to complaints, appeals, and regulatory compliance obligations for employers and employees.
This document outlines the design, implementation, and evaluation of a system for verifying content and container compatibility within a production line. The methodology involves analyzing the current state of operations, proposing the use of barcode and RFID technologies for automatic verification, and implementing a hardware-software integrated solution. Initial findings demonstrate significant improvements in operational efficacy, with optimization of data accuracy, error reduction, and streamlined production processes. The study concludes with a discussion of impacted workflows and reco...
This document provides an introduction to VHDL, covering the basics of electronic components and the principles of the VHDL language. It includes examples of VHDL coding and discusses the simulation and synthesis of VHDL. The content is structured to assist students in understanding circuit design and implementation using VHDL.
This document provides an introduction to VHDL through examples, focusing on combinatorial operations and state machines. It includes detailed explanations of various VHDL constructs such as entities, architectures, and synthesis directives. The content also features exercises to reinforce understanding of VHDL programming concepts.
This document includes exercises in digital electronics focusing on VHDL programming. It covers topics such as combinatorial and sequential circuits, with specific examples and tasks related to VHDL code analysis. Additionally, it explores variables, signals, and code readability through different architectural implementations.
This document covers sequential logic focusing on flip-flops, including their principles of operation and truth tables. Key topics include RS latches, D latches, and JK flip-flops. The course material is structured with detailed sections and diagrams for clarity.