J. Faucher

Airbus (France)

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Pascal Maussion

Institut National Polytechnique de Toulouse

Jean-Claude Régnier

École Normale Supérieure de Lyon

Xavier Roboam

Institut National Polytechnique de Toulouse

Hubert Piquet

Centre National de la Recherche Scientifique

B. Dagues

Institut Pierre-Simon Laplace

Baptiste Trajin

Institut National Polytechnique de Toulouse

Martin Blödt

Laboratoire Plasma et Conversion d'Energie

Daniel Hissel

Franche-Comté Électronique Mécanique Thermique et Optique - Sciences et Technologies

Babak Nahid–Mobarakeh

McMaster University

J.C. Hapiot

Laboratoire de Chimie Agro-Industrielle

Cooperative Institutions

Centre National de la Recherche Scientifique

Institut National Polytechnique de Toulouse

ÉN

École Nationale Supérieure d'Électrotechnique, d'Électronique, d'Informatique, d'Hydraulique et des Télécommunications

Université de Toulouse

Laboratoire Plasma et Conversion d'Energie

Laboratoire de Chimie Agro-Industrielle

Université Toulouse III - Paul Sabatier

École Normale Supérieure - PSL

Technology International Incorporated of Virginia (United States)

Université de Lorraine

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Experimental fuzzy control improvement with surface response methodology for power electronics

Proceedings of the Annual Conference of the IEEE Industrial Electronics Society (2006)

J. Faucher Pascal Maussion

Surface response methodology is used in this paper to improve the dynamic performance of pre-established settings for PID-like fuzzy controller dedicated to under-damped behaviour systems with hard load variations. Only two open loop successive step input tests are required for controller parameter tuning with only one voltage sensor. Using information given by experimental designs, the experimental response surface is estimated. As a consequence, the analytical optimum could be found between the chosen levels of the experimental parameters. Dynamic performance on the output voltage are significantly improved but the robustness versus the reference level decreases

Robustness

Power Electronics

Open-loop controller

Response time

10.1109/iecon.2006.347719

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Citations (0)

A New Shaping Method for Fuzzy State Feedback Tuning on a Power Converter

J. Faucher Pascal Maussion

Although linear state feedback control is classical, fuzzy state feedback is rather rare and there is no simple method for tuning. A new method for that controller tuning trough experimental designs with a reduced set of experiments is presented and applied to a dc/dc converter with an under damped behavior and hard load variations. The results will be compared either to PID control or to linear state feedback control

Feedback Control

10.1109/isie.2005.1528913

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Citations (3)

Power Electronics and Network Quality and Stability

HAL (Le Centre pour la Communication Scientifique Directe) (2007)

Hubert Piquet Nicolas Le Roux Xavier Roboam Sylvain Girinon J. Faucher

Power Electronics

Source

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Citations (0)

An accurate model of squirrel cage induction machines under rotor faults

V. Devanneaux Hassane Kabbaj B. Dagues J. Faucher

A substantial portion of squirrel cage induction motor faults is rotor related. An accurate transient model of squirrel cage induction machines under rotor faults is presented. A coupled magnetic circuits approach is used and very few restrictive assumptions are made. All parameters are calculated from the actual geometry and winding layout of the machines rather than from transformed or equivalent variables. The detailed depiction of the procedure needed to implement such an accurate model with simulation results is the subject of this paper.

Squirrel-cage rotor

Transient (computer programming)

10.1109/icems.2001.970693

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Citations (9)

Fuzzy state feedback controller tuning for DC/DC converter

European Conference on Power Electronics and Applications (2005)

J. Faucher

Although linear state feedback control is a classical scheme for converter control, fuzzy state feedback is rather rare but efficient. Nevertheless, there is no simple and efficient method for tuning. This paper presents a new, simple and robust method for the tuning of fuzzy feedback controllers with the help of experimental designs. There is no need of any adaptive procedure and system model, the number of parameters is reduced with respect to classical fuzzy controllers. This strategy is successfully applied to a type of DC/DC converter that have an under damped behaviour during step input response and hard parameters sudden variations.

10.1109/epe.2005.219375

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Citations (0)

Analytical Approach of the AC-DC Interactions in Aerospace Electric Power Networks

IEEE Transactions on Aerospace and Electronic Systems (2012)

J. Faucher Hubert Piquet Nicolas Roux

The trend to more electrical embedded functions aboard future aircrafts makes it of crucial importance to reconsider long used solutions for the electric power distribution. We consider here a mixed ac/dc architecture and we propose a methodology to evaluate the interactions between the ac and dc sides (sometimes called "HVDC" (high-voltage direct current) networks) of such a network, through rectifiers, possibly associated with autotransformers. An analytical approach has been selected and the obtained relationships appear to be very useful for the designers of these networks: they are applicable to choose the characteristics of the architecture, as well as to adapt already existing standards for the specific needs of such solutions.

Autotransformer

10.1109/taes.2012.6178072

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Citations (2)

Distinguishing Load Torque Oscillations and Eccentricity Faults in Induction Motors Using Stator Current Wigner Distributions

IEEE Transactions on Industry Applications (2009)

Martin Blödt Jean-Claude Régnier J. Faucher

This paper proposes a novel diagnosis method for detection and discrimination of two typical mechanical failures in induction motors by stator current analysis: load torque oscillations and dynamic rotor eccentricity. A theoretical analysis shows that each fault modulates the stator current in a different way: torque oscillations lead to stator current phase modulation, whereas rotor eccentricities produce stator current amplitude modulation. The use of traditional current spectrum analysis involves identical frequency signatures with the two fault types. A time-frequency analysis of the stator current with the Wigner distribution leads to different fault signatures that can be used for a more accurate diagnosis. The theoretical considerations and the proposed diagnosis techniques are validated on experimental signals.

Eccentricity (behavior)

Modulation (music)

10.1109/tia.2009.2031888

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Citations (141)

Fault indicators for stator current based detection of torque oscillations in induction motors at variable speed using time-frequency analysis

2006 3rd IET International Conference on Power Electronics, Machines and Drives - PEMD 2006 (2006)

Martin Blödt Julie Régnier M. Chabert J. Faucher

This paper studies the detection of small torque oscillations in induction motor drives during speed transients by stator current analysis. Small torque oscillations can be the consequence of mechanical faults. Speed transients result in time-varying supply frequencies that prevent the classical current spectrum analysis. The proposed solution is time-frequency signal analysis. This work particularly deals with the extraction of fault indicators that could be used in a permanent and automatic condition monitoring system. Three different fault indicators based on instantaneous frequency estimation and the Wigner distribution are presented. Their performances are tested on experimental signals from speed transients under different load conditions.

Transient (computer programming)

SIGNAL (programming language)

10.1049/cp:20060072

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Citations (15)

Design of experiments for low voltage electrical machine insulation lifetime modeling

Pascal Maussion J. Faucher

The design of experiments will help to underline the influence of combined operating constraints in insulation reliability of low voltage electrical machines in aerospace applications in the more electric aircraft. Kapton films and coated wires were subjected to an accelerated ageing under combined stresses (V _RMS , frequency, DC voltage, and temperature). It is shown in this paper, that the parameters can be classified with respect to their influence order. Frequency shift from 1 to 10 kHz is more hazardous than a RMS voltage shift from 0.7 to 1.2 kV or a temperature shift from 150 to 200°C. Thanks to experimental design, different mathematical models of sample life time, relying on statistical analysis, have been established. Moreover, some guidelines that help to derive the wire model form from the film model are proposed.

Kapton

10.1109/isie.2010.5637019

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Citations (1)

Investigations on adaptive fuzzy controllers

Guillaume Gateau Pascal Maussion J. Faucher

In this paper, a new algorithm for the direct optimization of a set of fuzzy rules based on MRAS is developed. This algorithm is applied to the control of an electrical system defined by a static power converter (DC/DC in current mode). Simulations results show the good robustness of the system and a faster convergence than a classical gradient approach. In the last section, a new structure of fuzzy controller with a multipartition of the inputs is proposed, in order to simplify the hardware implementation.

Robustness

MRAS

10.1109/cca.1995.555729

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Citations (5)