Patent ID: 6622065
Filing Date: 2003-09-16
Classification: B64C,G05D

Abstract:
A flight control device for an aircraft, in particular for a helicopter, for controlling at least one control axis:at least one control member, capable of being actuated by a pilot of the aircraft, for producing a deflection of said control member; at least one actuation means for actuating a controlled member to which a control command is applied; determination means for determining and transmitting to said actuation means a control command dependent on an actuation value representative of the actuation of said control member; at least one first sensor for determining a first effective value corresponding to the effective value of the translational rate of the aircraft, and wherein: said determination means is formed in such a way as to determine a control command to be applied to said means of actuation such that: while said first effective value is less than or equal to a first reference value corresponding to a predetermined reference value of the translational rate, a first control command corresponding to a translational rate control command, which is dependent on the deflection of the control member, is generated; and when said first effective value is greater than said first reference value, at least one second control command, which is different from said translational rate control command and which is dependent on an extra deflection of the control member, is generated.