FLIR boresight alignment

Details FLIR boresight alignment FLIR boresight alignment

1996-03-19

1997-09-30

Hannaher, Constantine

Radiant energy

Infrared-to-visible imaging

F41G 154

Patent

active

056728727

ABSTRACT:
A FLIR boresight alignment system (52) for aligning a sensor pod LOS associated with a weapons pod of a fighter aircraft to a navigation reference frame. A pod inertial navigation and global positioning system (62) provides position, velocity and attitude of a sensor (58) within the pod. An aircraft inertial navigation and/or global positioning system (68) provides position, velocity and attitude of the aircraft. The sensor position and velocity and the aircraft position and velocity are applied to a transfer alignment filter (64) that utilizes Kalman filtering. An output of the transfer alignment filter (64) is applied to a sensor inertial navigation system to correct the pod LOS relative to the navigation reference frame. Alternately, the transfer alignment filter (64) may operate directly upon the pseudo ranges and delta pseudo ranges to satellites being tracked by the GPS receiver.

REFERENCES:
patent: 5202829 (1993-04-01), Geier
patent: 5245909 (1993-09-01), Corrigan et al.
A1-F18AC-744-100, "Organizational Maintenance, Principles of Operation, Description, Forward Looking Infrared System," pp. 1-8. (Jun. 1, 1989).
Description of F/A-18 Detecting Set, pp. 1-1 -4-37.
Kalman, R.E., "A New Approach to Linear Filtering and Prediction Problems," Journal of Basic Engineering, pp. 35-45, Mar., 1960.

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