Overview
ABSTRACT
Energetic Macroscopic Representation (EMR) is a graphical formalism. This method allows a synthetic representation of multi-physical energetic systems. EMR leads to a functional description of these systems. It respects the integral causality of the studied system, what allows the systematic deduction of a control structure. The objective of this paper is to present the foundations of the EMR and to apply them to an example: an electric traction elevator.
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Read the articleAUTHORS
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Walter LHOMME: Doctor, lecturer at Lille 1 University - Researcher at Laboratoire d'Électrotechnique et d'Électronique de Puissance (L2EP), Lille (France)
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Philippe DELARUE: Doctor, lecturer at the École polytechnique universitaire de Lille (Polytech'Lille), - Researcher at Laboratoire d'Électrotechnique et d'Électronique de Puissance (L2EP), Lille (France)
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Alain BOUSCAYROL: Doctor HDR, University Professor at Lille 1 University - Researcher at Laboratoire d'Électrotechnique et d'Électronique de Puissance (L2EP), Lille (France)
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Philippe BARRADE: Doctorate, lecturer at the École polytechnique fédérale de Lausanne (EPFL) - First assistant at Laboratoire d'Électronique Industrielle (LEI), Lausanne (Switzerland)
INTRODUCTION
Macroscopic Energy Representation (MER) is a graphical formalism for representing energy systems. It was developed in the 2000s by Lille's Laboratoire d'Électrotechnique et d'Électronique de Puissance (L2EP) :
representation, because REM allows you to define a synthetic, graphical organization of mathematical modeling for complex systems;
energy, because REM highlights the interactions and energy exchanges between the elements that make up a multiphysical system;
macroscopic, as REM allows you to describe a system without having to read too much into it graphically.
The REM approach is fundamentally based on a systemic approach, in the sense that the subsystems of a system are studied, not separately but together, in a relationship of reciprocal dependence (interaction).
"Everything that happens (or begins to happen) presupposes something to which it succeeds, according to a rule". This quote from Immanuel Kant sums up the principle of causality, one of the founding principles of REM. REM is based on this principle, in other words, on integral causality, which underpins the notion of energy. The exclusive use of integral causality in REM enables the systematic deduction of a control structure. A methodology has thus been put in place to facilitate the development of control for new, increasingly complex and multiphysical systems. REM is thus an aid to guide the engineer in the physical organization of his modeling in order to obtain the control.
Various universities teach this new approach
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KEYWORDS
energetic macroscopic representation | control structure | electric traction elevator
REM, a multiphysics formalism for controlling energy systems
Macroscopic energy representation (REM)
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