| 摘要 |
System for controlling an aerodynamic surface (1) (flap, aileron, control surface, etc.) of an aircraft.According to the invention, this system comprises:an electric machine (8) which can operate either as a motor or as a generator, the output of which is connected mechanically to said aerodynamic surface (1); anda logic device (17) receiving information about the operating status of the electrical power supply (11) of the machine (8) and of the hydraulic servocontrol (2, 5) and controlling the actuation of said surface (1) either by said machine (8) or by said servocontrol (2, 5).
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