METHOD FOR AUTOMATIC CONTROL OF A TRANSDUCER WITH VARIABLE RELUCTANCE, AND LINEAR MOTOR FOR IMPLEMENTING SAME

摘要

The invention concerns methods and devices for automatic control of transducers with variable reluctance. It consists in determining (201) in non- linear manner independent of the mechanical load of the transducer the field required for the air gap of this transducer based on the mechanical force for obtaining and for controlling in linear manner (205) the magnetic field present in the air gap from a measurement (203) of this magnetic field and optionally a measurement (204) of the current flowing in the coil of the transducer. It enables the production of linear motors for stabilising vehicle seats, or acoustic transducers for sonars and more generally systems for controlling axial vibrations.