The present invention refers to a method for controlling an aircraft propeller system during thrust reversal, wherein it is checked whether each power plant is ready for the transition to negative pitch, and where the propeller transition to negative pitch is controlled from a flight control system such that, only when both power plants are ready for the transition to negative pitch, the flight control system instructs the aircraft propeller system to reverse thrust. If a power plant failure is detected before a thrust reverse order is received, then the flight control system is informed of that failure condition, and then the flight control system will disable the thrust reverse operation as long as the failure condition remains. The method of the invention improves the aircraft controllability during landing operations, reduce pilots workload, and to improve passengers comfort during landing and taxing.
Method for controlling an aircraft propeller system during thrust reversal
Verfahren zur Steuerung eines Flugzeugpropellersystems während der Schubumkehr
Procédé pour commander un système d'hélice d'avion lors d'une inversion de poussée
2019-01-02
Patent
Electronic Resource
English
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