Laurent Dufour

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This paper describes a design framework for optimization of automotive mechatronic systems that uses analog simulations and evolutionary algorithms. We demonstrate the effectiveness of our methodology in sizing a complex actuator under multi-physic constraints. Our challenge was to design a compact exhaust gas recirculation (EGR) valve meeting the severe(More)
The purpose of this article is to describe the design of a limited stroke actuator and the corresponding prototype to drive a Low Pressure (LP) Exhaust Gas Recirculation (EGR) valve for use in Internal Combustion Engines (ICEs). The direct drive actuator topology is an axial flux machine with two air gaps in order to minimize the rotor inertia and a bipolar(More)
The present work proposes an optimal design and a prototype of a limited stroke actuator dedicated to the Exhaust Gas Recirculation (EGR) system of an internal combustion engine. The actuator is composed by a brushed DC machine with spur gear set and is modelized and optimized under dynamic constraints with a Genetic Algorithm. Actuator performances is(More)
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