Patent ID: 7366592
Filing Date: 2008-04-29
Classification: G05D

Abstract:
1. A system for automatically controlling lift-enhancing devices of an aircraft, in particular wing leading edge slats, which are able to be deployed and retracted, said system comprising: actuation means, for moving said lift-enhancing devices, as a function of control orders received; at least one control member able to be actuated by a pilot of the aircraft; and a control unit which comprises a control means which is able to produce control orders, as a function of the actuation of said control member, so as to control said means of actuation so that the latter bring said lift-enhancing devices into a determined position, wherein said control unit furthermore comprises: a first device able to produce, automatically, auxiliary control orders which are transmitted to said actuation means so as to automatically retract said lift-enhancing devices, when the aircraft is in a first flight condition; and a second device for automatically disabling control orders produced by said control means following actuation of said control member so as to deploy said lift-enhancing devices, when the aircraft is in a second flight condition.