MOOC
Conversion electromécanique II
Description
Les moteurs electriques et les actionneurs en general font partie de notre quotidien ; on en trouve aussi bien dans l'industrie que dans les applications grand public : les automobiles, l'electromenager, les ordinateurs et meme les telephones portables utilisent des systemes electromecaniques afin de creer de la force ou du mouvement.
Ce cours aborde les principes du fonctionnement des moteurs electriques, le calcul de leurs performances et les aspects pratiques de leur utilisation.
Le cours comprend les modules suivants :
- Champ tournant et bobinages
- Moteur synchrone
- Moteur a courant continu
- Moteur asynchrone
Pour chacun de ces modules, la matiere est presentee non-seulement sous l'angle mathematique, afin de permettre la modelisation de systemes complexes, mais aussi par des exemples d'applications pratiques et des demonstrations experimentales.
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Ontological neighbourhood
Instructor
Lectures in this MOOC (35)
Pulsating and Rotating Fields: EquationsMOOC: Conversion electromécanique II
Covers the generation of pulsating and rotating fields and the equations involved.
Rotating Field and Winding, DemonstrationMOOC: Conversion electromécanique II
Demonstrates the measurement of the rotating field in an asynchronous motor.
Rotating field and winding, Winding factorsMOOC: Conversion electromécanique II
Explains shortening and distribution factors in winding configurations, emphasizing their impact on induced voltage.
Rotating field and Winding, Winding FactorsMOOC: Conversion electromécanique II
Covers shortening factor, distribution factor calculation, and examples of shortened windings.
Rotating Field and Winding: IntroductionMOOC: Conversion electromécanique II
Covers the basics of winding arrangements in motors and their impact on magnetic fields.
Related concepts (170)
Actuator
An actuator is a component of a machine that is responsible for moving and controlling a mechanism or system, for example by opening a valve. In simple terms, it is a "mover". An actuator requires a control device (controlled by control signal) and a source of energy. The control signal is relatively low energy and may be electric voltage or current, pneumatic, or hydraulic fluid pressure, or even human power. Its main energy source may be an electric current, hydraulic pressure, or pneumatic pressure.
Finite element method
The finite element method (FEM) is a popular method for numerically solving differential equations arising in engineering and mathematical modeling. Typical problem areas of interest include the traditional fields of structural analysis, heat transfer, fluid flow, mass transport, and electromagnetic potential. The FEM is a general numerical method for solving partial differential equations in two or three space variables (i.e., some boundary value problems).
Design
A design is a concept of either an object, a process, or a system that is specific and, in most cases, detailed. Design refers to something that is or has been intentionally created by a thinking agent, though it is sometimes used to refer to the nature of something. The verb to design expresses the process of developing a design. In some cases, the direct construction of an object without an explicit prior plan may also be considered to be a design (such as in some artwork and craftwork).
Related courses (105)
PHYS-201(d): General physics: electromagnetism
The topics covered by the course are concepts of fluid mechanics, waves, and electromagnetism.
PHYS-100: Advanced physics I (mechanics)
La Physique Générale I (avancée) couvre la mécanique du point et du solide indéformable. Apprendre la mécanique, c'est apprendre à mettre sous forme mathématique un phénomène physique, en modélisant l
MICRO-330: Sensors
Principes physiques et électronique utilisés dans les capteurs. Applications des capteurs.
Related publications (1,000)
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EPFL2024Permanently magnetized elastomer rotating actuator using traveling waves
We report a soft actuator that generates continuous rotation of an object placed on it by electromagnetically exciting circular travelling waves in a soft disk. The disk, that serves as the stator, is made of a stretchable composite consisting of segments ...
Iop Publishing Ltd2024High energy-density electrostatic actuators for soft robotics
This thesis reports high energy-density electrostatic actuators for use in soft robotics. This thesis has two main parts: a) a detailed study of electro-adhesion using microfabricated electrodes, and b) a flexi-ble fiber-shaped linear motor.Electro-adhesio ...
EPFL2024