FORCE APPLICATION DEVICE FOR AN ACTIVE MINI-STICK AND MECHANICAL BACKUP CONTROL METHOD

A force application device for an aircraft control stick in provided. The device includes a mechanical joint, a force motor, a rheological brake, and a control device. The mechanical joint receives a lever of an aircraft pilot stick and is rotatably movable. The force motor includes a motor shaft ex...

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Bibliographische Detailangaben
Hauptverfasser:	LAWNICZAK, Rémi-Louis, ATTRAZIC, Yannick Ghislain, COPPEE, Pascal, BARO, Nicolas
Format:	Patent
Sprache:	eng
Schlagworte:	AEROPLANES AIRCRAFT AVIATION BLASTING BRAKES CLUTCHES CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BYMECHANICAL FEATURES ONLY CONTROLLING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COSMONAUTICS COUPLINGS FOR TRANSMITTING ROTATION DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING HELICOPTERS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICS REGULATING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A force application device for an aircraft control stick in provided. The device includes a mechanical joint, a force motor, a rheological brake, and a control device. The mechanical joint receives a lever of an aircraft pilot stick and is rotatably movable. The force motor includes a motor shaft extending along a third axis, the rotation of the motor shaft being linked to the rotation of the mechanical joint. The force motor exerts a resistive torque on the motor shaft. The rheological brake includes two facing parts, and has a volume delimited by the two facing parts, the volume being adapted to contain a rheological material. One of the parts is arranged on the motor shaft and rotatably movable about the third axis relative to the other of the parts. The control device applies an electromagnetic field within the volume so as to vary shear strength of the rheological material.