Method of rapidly detecting a wind gradient

Details Method of rapidly detecting a wind gradient Method of rapidly detecting a wind gradient

G - Physics

05

D

354/18

G05D 1/06 (2006.01)

Patent

CA 1134038

ABSTRACT OF THE DISCLOSURE The invention provides a method of rapidly detecting a wind gradient, especially during the approach phase of an aerodyne for the purpose of landing, said method utilising the relation that exists between the aerodynamic slope ya, the total slope YT and the anemometric speed V, which relation can have the form Image in which s is the Laplace operator, A is a value that is substan- tially constant or zero in the case of normal flight without dis- turbances, and which increases in the presence of a wind gradient: with head wind changing to tail wind, and Vsel is an arbitrary value, characterized in that said method consists in adding this value A that represents the ability of the aerodyne to overcome a wind gradient, in such a way as to obtain a composite signal which is compared to a reference value.

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