Hubert Piquet

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In more-electrical aircraft, most of the flight surfaces are equipped with electro-hydrostatic actuators. A high reliability is mandatory, combined to fault-handling strategies for the VS inverter, which is a part of crucial importance of this equipment, controlling the power flows and the performances. The proposed topology uses a safe fourth-leg connected(More)
Dielectric barrier discharge (DBD) lamps, being capacitive loads, must be associated with bidirectional current sources for an appropriate control of the transferred power. Pulsed current source supplies, which are known to offer very interesting performances, require specific power switches that are able to manage bidirectional voltage and unidirectional(More)
This article presents an automated method for the sizing of filter parameters taking into account stability and quality criteria. The analytical linearized model of the system is automatically built from a circuit description. System stability conditions are firstly assessed on this model with the Routh-Hurwitz criterion. Then, filtering and damping(More)
This paper presents the study of a series-resonant inverter for the supply of a dielectric barrier discharge (DBD) excimer lamp. Causal analysis, based on the fundamental properties of the load, is used to justify the choice of this topology. In order to correctly control the lamp power, the operating mode selected for this converter combines discontinuous(More)
This paper deals with the automatic design of static converters and electrical machines. Facing the multitude of such devices (converters–machines), the choice of the appropriate converter or machine is a delicate problem. A high level of expertise is required to determine the best structure for the considered application. This choice could be rapidly made(More)