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AssigneeTRW Systemes Aeronautiques Civils
InventorGenevieve Silvestro
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Control device comprising a main servocontrol loop that comprises a servocontrolled device, and compensation means on the input side of this servocontrolled device, the said device comprising a secondary loop that receives a signal derived from the servocontrol loop as input, and generates an error characteristic of the difference between a signal characteristic of a parameter of the servocontrolled device and a theoretical signal determined using a model, as a function firstly of this input signal and secondly of the said signal characteristic of a parameter of the servocontrolled device, this error signal being injected into the main loop to correct the control of the servocontrolled device, characterised in that the secondary loop and/or the main loop comprise at least one variable gain amplifier, the said device comprising means for controlling the gain of the said amplifier as a function firstly of the said signal characteristic of a state of the servocontrolled device, and secondly a signal derived from the main loop on the input side of the said device.
Control device comprising a main servocontrol loop that comprises a servocontrolled device, and compensation means on the input side of this servocontrolled device, the said device comprising a secondary loop that receives a signal derived from the servocontrol loop as input, and generates an error characteristic of the difference between a signal characteristic of a parameter of the servocontrolled device and a theoretical signal determined using a model, as a function firstly of this input signal and secondly of the said signal characteristic of a parameter of the servocontrolled device, this error signal being injected into the main loop to correct the control of the servocontrolled device,
Device according to one of the above claims, characterised in that it comprises means at the output from the secondary loop of non-linear filtering of the said error.
Device according to one of the above claims, characterised in that it comprises amplification means at the output from the secondary loop comparison means, the gain of these amplification means corresponding to the gain of the amplifier in the main loop.
Device according to one of the above claims, characterised in that the gain of the main loop is fixed, the secondary loop comprising a variable gain amplifier.
Device according to one of the above claims, characterised in that the means for controlling the gain of a variable gain amplifier comprise means for applying a simplified model of the secondary loop model, to a signal derived from the main loop.
Device according to one of the above claims, characterised in that the secondary loop is input to the main loop at the input of the servocontrolled device.
Device according to one of the above claims, characterised in that the secondary loop is input to the main loop on the input side of the compensation means.
Electro-hydraulic flight control for an aircraft, characterised in that it comprises a device according to one of the above claims.
Dependencies are inferred from the claim text.