Aeronautics and astronautics – Missile stabilization or trajectory control – Automatic guidance
Reexamination Certificate
2009-08-27
2011-11-15
Gregory, Bernarr (Department: 3662)
Aeronautics and astronautics
Missile stabilization or trajectory control
Automatic guidance
C244S003100, C244S003150, C244S003210
Reexamination Certificate
active
08058596
ABSTRACT:
A method of controlling flight of a missile includes using gyroscopes, such as pitch rate gyroscopes, to sense when a factor based on the angular rate of change of the missile exceeds a threshold value. One the threshold value is exceeded, a decision may be made to use one or more compensation thrusters to reduce the angular rate of change. The use of the compensation thrusters may correct residual angular velocities from a pitch over maneuver used to put the missile on an intended course. In addition, the compensation thrusters may be used to compensate for errors in missile heading induced after the pitch over maneuver, such as induced by misalignment of thrust provided by a main rocket motor of the missile. Multiple compensation thrusters may be used to compensate for angular changes in the pitch and yaw directions.
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International Search Report and Written Opinion from corresponding International Application No. PCT/US10/31676, Jan. 31, 2011.
Cook James M.
Kinsey, Jr. Lloyd E.
Gregory Bernarr
Raytheon Company
Renner , Otto, Boisselle & Sklar, LLP
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