Roll damper for thrust vector controlled missile

Details Roll damper for thrust vector controlled missile Roll damper for thrust vector controlled missile

1992-02-05

1993-11-09

Tudor, Harold J.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

244 321, F41G 700

Patent

active

052595692

ABSTRACT:
A control system for thrust vector controlled (TVC) cruciform missiles having only pitch and yaw thrusters is disclosed wherein roll damping feedback signals are generated from bank angle data in a separate feedback loop with appropriate gain and compensation. Additional roll rate compensation is added to the missile pitch and yaw rate control subsystem by multiplying actual roll rate by pitch and yaw control deflections and inserting the resultant roll rate compensation command in the pitch and yaw rate error control loops. The addition of these two control feedback loops to the existing pitch and yaw thrust vector control system reduces roll rates caused by aerodynamic forces without the need for aerodynamic or reaction roll control means.

REFERENCES:
patent: 3866025 (1975-02-01), Cavanagh
patent: 3946962 (1976-03-01), Stallard
patent: 4044237 (1977-08-01), Cowgill et al.
patent: 4173785 (1979-11-01), Licata
patent: 4234142 (1980-11-01), Yost et al.
patent: 4272040 (1981-06-01), Bastian et al.
patent: 4274610 (1981-06-01), Bastian
patent: 4590567 (1986-05-01), Hofmann et al.
patent: 5094406 (1992-03-01), Shafer

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