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A method, apparatus, and computer program product for identifying a number of air states for a vehicle. A deflection of a control surface associated with an actuator is identified to form an identified deflection. A current in the actuator is identified to form a measured current. The number of air

A method, apparatus, and computer program product for identifying a number of air states for a vehicle. A deflection of a control surface associated with an actuator is identified to form an identified deflection. A current in the actuator is identified to form a measured current. The number of air states for the vehicle is estimated using the identified deflection and the measured current.

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1. A method for identifying a number of air states for a vehicle, the method comprising: identifying a deflection of a control surface associated with an actuator to form an identified deflection;identifying a current in the actuator to form a measured current; andestimating by a processor device th

1. A method for identifying a number of air states for a vehicle, the method comprising: identifying a deflection of a control surface associated with an actuator to form an identified deflection;identifying a current in the actuator to form a measured current; andestimating by a processor device the number of air states for the vehicle using the identified deflection and the measured current. 2. The method of claim 1 further comprising: generating a command to the actuator using the number of air states. 3. The method of claim 1 further comprising: estimating a hinge moment for the control surface using the deflection of the control surface and an estimated angle of attack. 4. The method of claim 1, wherein the number of air states is an estimated number of states and further comprising: comparing the estimated number of states to another set of air states to form a comparison; anddetermining whether the another set of air states is valid using the comparison. 5. The method of claim 4, wherein another set of air states is generated by an inertial measurement unit. 6. The method of claim 1, wherein the number of air states comprises at least one of a number of air states for a longitudinal plane, a number of air states for a lateral plane, and a number of air states for a directional plane. 7. The method of claim 1, wherein the number of air states comprises at least one of an angle of attack, a pitch rate, a surface velocity, a position rate, a roll, a heading, a pitch attitude angle, a roll rate, a side slip, a yaw, and a yaw rate. 8. The method of claim 1, wherein the deflection of the control surface is an angular position of the control surface. 9. The method of claim 8, wherein the angular position of the control surface is derived from a position of the actuator. 10. The method of claim 1, wherein the vehicle is selected from one of an aircraft, a surface ship, a personnel carrier, a train, a spacecraft, a missile, an unmanned aerial vehicle, a submarine, a bus, and an automobile. 11. An apparatus comprising: an actuator; andan air state estimation process capable of receiving a deflection of a control surface associated with the actuator from the actuator to form an identified deflection; receiving a current measurement identifying a current in the actuator to form a measured current; and estimating a number of air states for the vehicle using the identified deflection and the measured current. 12. The apparatus of claim 11 further comprising: the control surface. 13. The apparatus of claim 11 further comprising: a controller capable of generating a command for the actuator using the number of air states. 14. The apparatus of claim 11 further comprising: a vehicle, wherein the actuator and the air state estimation process are located in the vehicle. 15. The apparatus of claim 14, wherein the vehicle is selected from one of an aircraft, a surface ship, a personnel carrier, a train, a spacecraft, a missile, an unmanned aerial vehicle, a submarine, a bus, and an automobile. 16. The apparatus of claim 11, wherein the number of air states comprises at least one of a number of air states for a longitudinal plane, a number of air states for a lateral plane, and a number of air states for the directional plane. 17. The apparatus of claim 11, wherein the number of air states comprises at least one of an angle of attack, a pitch rate, a surface velocity, a position rate, a roll, a heading, a pitch attitude angle, a roll rate, a side slip, a yaw, and a yaw rate. 18. The apparatus of claim 11, wherein the deflection of the control surface is an angular position. 19. The apparatus of claim 18, wherein the angular position of the control surface is derived from a position of the actuator. 20. A computer program product for identifying a number of air states for a vehicle, the computer program product comprising: a non-transitory computer recordable storage medium;program code, stored on the computer recordable storage medium, for identifying a deflection of a control surface associated with an actuator to form an identified deflection;program code, stored on the computer recordable storage medium, for identifying a current in the actuator to form a measured current; and program code, stored on the computer recordable storage medium, for estimating the number of air states for the vehicle using the identified deflection and the measured current.