Patent ID: 9056673
Filing Date: 2015-06-16
Classification: B60T,B64C

Abstract:
1. A method for controlling antiskid braking of a plurality of wheels in a group of wheels of an aircraft, said plurality of wheels having a corresponding plurality of wheel speed sensors associated therewith, respectively, said plurality of wheel speed sensors configured to generate wheel speed signals of said corresponding plurality of wheels, respectively, for antiskid control of said plurality of wheels, based upon said wheel speed signals, when a first wheel speed sensor of said plurality of wheel speed sensors of the corresponding first wheel has failed and a second wheel speed sensor of said plurality of wheel speed sensors of the corresponding second wheel is functioning, the method comprising the steps of: determining a commanded braking pressure of the second wheel; determining whether an incipient or initial skid of the second wheel associated with said commanded braking pressure of the second wheel has occurred, based upon said wheel speed signals from the second wheel speed sensor; storing said commanded braking pressure of the second wheel as a brake pressure limit of the first wheel if said skid of the second wheel associated with said commanded braking pressure has occurred; determining a maximum brake pressure of the first wheel as a predetermined fraction of said brake pressure limit of the first wheel; determining a highest commanded braking pressure of the second wheel; storing said highest commanded braking pressure of the second wheel as said maximum brake pressure of the first wheel if an incipient or initial skid of the second wheel associated with said commanded braking pressure of the second wheel has not occurred; determining a modulated brake pressure as a second predetermined fraction of said maximum brake pressure of the first wheel; and providing modulated pressure pulses of the modulated brake pressure to the first wheel.