Patent ID: 8538602
Filing Date: 2013-09-17
Classification: G05D

Abstract:
1. A flight control system for an aircraft, in which control commands are transmitted between a flight control module and at least one actuator of a movable flight surface of the aircraft, the system comprising: at least one first and at least one second computer in the flight control module, each of the at least one first and second computers configured to compute, for each actuator, a control command established according to at least one predetermined law for control of the flight surface controlled by the actuator; each actuator includes at least two logic units configured to receive orders originating from all the computers of the flight control module, and each logic unit is configured to: compare the commands received between the at least two logic units, and according to the result of the comparison, choose in accordance with a predetermined logic common to all the actuators, a master computer, whose control command is validated for execution by the actuator considered; and transmit, to all the computers, a master computer choice information item, wherein each computer of the flight control module is configured to determine whether it is a master computer or a slave computer, on the basis of master computer choice information items received from all the actuators, and a sole master computer is determined from among all the computers.