Eccentric drive control actuation system
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United States of America Patent
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Jul 13, 2010
Grant Date -
Jun 17, 2010
app pub date -
Jan 10, 2007
filing date -
Jan 10, 2007
priority date (Note) -
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Abstract
A control surface actuation system has the ability to move aerodynamic control surfaces using a rotational motion of a motor. In an arrangement, rotational motion of the motor enables the aerodynamic control surfaces of a rotating projectile to oscillate and thus vary the angle of the control surfaces as the projectile spins. The rotation of a motor in one direction in combination with a gear and a link and a crank arm attached to a shaft of the aerodynamic control surfaces allows the control surfaces to move in fluttering motion to induce the maneuvering of a projectile in the desired direction. A controller takes information regarding the current condition of the projectile and drives the motor to move the aerodynamic devices to maneuver the projectile.
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