Fin command mixing method

Details Fin command mixing method Fin command mixing method

1991-03-20

1992-02-18

Jordan, Charles T.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

F42B 1064

Patent

active

050886584

ABSTRACT:
A method of providing fin commands for a vehicle is shown to include the steps of calculating a pitch-to-roll command ratio equal to an absolute value of a pitch command divided by a roll command and calculating a yaw-to-roll command ratio equal to an absolute value of a yaw command divided by the roll command, differencing the yaw-to-roll command ratio with the pitch-to-roll command ratio to provide a difference value, and apportioning the roll command to at least one of a plurality of control fins in relation to the value of said difference value. With this arrangement, a method of apportioning a roll command to a plurality of control surfaces wherein the maximum deflection required by the control surfaces is minimized by apportioning more roll to the plane having the smaller maneuver.

REFERENCES:
patent: 2824710 (1958-02-01), Hall
patent: 2967031 (1961-01-01), Chase et al.
patent: 3575362 (1971-04-01), Hammond et al.
patent: 3946968 (1976-03-01), Stallard
patent: 4530476 (1985-07-01), Thurber, Jr. et al.

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