Apparatus and method for aerodynamic cross-coupling reduction

Details Apparatus and method for aerodynamic cross-coupling reduction Apparatus and method for aerodynamic cross-coupling reduction

1974-08-02

1976-03-30

Pendegrass, Verlin R.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

F42B 1502

Patent

active

039469689

ABSTRACT:
An improved flight control system for use in guided missiles having a plurality of individually actuable control surfaces is shown. In order to overcome the deleterious effects of aerodynamic cross-coupling between control surfaces at a high angle of attack, the disclosed system includes means for first determining the lift force and roll moment of each control surface, and then, in accordance with the determined values of such forces and moments, controlling separately the total pitch lift force, yaw lift force and roll moment generated by all control surfaces. Any desired maneuver, either in pitch or yaw (or both), may therefore be executed without causing any unwanted motion of the missile, such as motion in an undesired plane or rolling of the missile.

REFERENCES:
patent: 2924401 (1960-02-01), Goss et al.
patent: 2969017 (1961-01-01), Kershner
patent: 3000597 (1961-09-01), Bell et al.
patent: 3065931 (1962-11-01), Dixon et al.
patent: 3415466 (1968-12-01), Poole, Jr.

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