Herve Mangel

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JES Journal of Electrical Systems Many researches dealt with the problem of induction motors fault detection and diagnosis. The major difficulty is the lack of an accurate model that describes a fault motor. Moreover, experienced engineers are often required to interpret measurement data that are frequently inconclusive. A fuzzy logic approach may help to(More)
–This paper deals with the power generation control in variable speed wind turbines. In this context, a control strategy is proposed to ensure power extraction optimization of a DFIG-based wind turbine. The proposed control strategy combines an MPPT using a high gain observer and second-order sliding mode for the DFIG control. This strategy presents(More)
This paper deals with the sensorless control of a doubly-fed induction generator (DFIG) based wind turbine. The sensorless control scheme is based on a high-order sliding mode (HOSM) observer to estimate the DFIG rotational speed. Indeed, high-order sliding mode observers provide theoretically finite time exact state observation and estimation of absolutely(More)
This paper describes the theory and experiments of a new technology for propelled thrusters. The principle is to extend the potentialities of magnetic-coupling motor shafts by adding degrees of freedom in their kinematics. The idea is to redirect the propeller and therefore, the thrust to another direction without adding or moving any motors. The focus of(More)
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