Methods for stable extension of landing gear systems
AssigneesSafran Landing Systems, Safran Landing Systems Canada Inc.
InventorsCole Tofflemire, Graeme Peter Arthur Klim, Thibaud Mazoue, Andrew Michael Ellis
Life of this patent
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Abstract
A method for extending a landing gear system for a vehicle is disclosed. The landing gear system includes a first landing gear assembly and a second landing gear assembly. The method includes the steps of sensing a first load on the first landing gear assembly after the first landing gear assembly has reached a wheels-on-ground state and comparing the first load to a first target value. The method further includes the step of controlling an extension speed of the first landing gear assembly according to a difference between the first load and the first target value.
Claims20
A method of extending a landing gear system for a vehicle, the landing gear system comprising a first landing gear assembly and a second landing gear assembly, the method comprising the steps of:
- sensing a first load on the first landing gear assembly after the first landing gear assembly has reached a wheels-on-ground state;
- comparing the first load to a first target value;
- and
- controlling an extension speed of the first landing gear assembly according to a difference between the first load and the first target value.
A method of extending a landing gear system for a vehicle, the landing gear system comprising a plurality of landing gear assemblies, a landing gear supervisory control unit communicatively coupled to each of the plurality of landing gear assemblies, and a power source operatively coupled to the landing gear supervisory control unit, the method comprising the steps of:
- monitoring the plurality of landing gear assemblies for a first failure;
- cycling the power source off and on when the first failure occurs to a first of the plurality of landing gear assemblies;
- and
- determining if the first failure has been resolved.
A method of extending a landing gear system for a vehicle, the landing gear system comprising first, second, third, and fourth landing gear assemblies, the method comprising the steps of:
- sensing a first load on the first landing gear assembly after the first landing gear assembly has reached a wheels-on-ground state;
- comparing the first load to a first predetermined value;
- controlling an extension speed of the first landing gear assembly according to a difference between the first load and the first predetermined value;
- sensing a second load on the second landing gear assembly after the second landing gear assembly has reached a wheels-on-ground state;
- comparing the second load to a second predetermined value;
- and
- controlling an extension speed of the second landing gear assembly according to a difference between the second load and the second predetermined value.
Dependencies are inferred from the claim text.