Decoupling of BTT Missile Using Rolling Actuator

In order to reduce the coupling between pitch, yaw and roll channels of the bank-to-turn (BTT) missile caused due to missile body roll. A new structure actuator for reducing the coupling of BTT missiles is studied. The new structure actuator can roll independently along the longitudinal axis of the missile. The actuator instead of airframe needs to steer when controlling BTT missile roll. So the rolling speed of main airframe and thus the coupling of missile introduced by airframe rolling are reduced. And control logic is designed for the missile using roll actuator. Finally, analysis and simulation results demonstrate the effectiveness of the rolling actuator in decoupling a BTT missile.