Slaved reference control loop

F - Mech Eng,Light,Heat,Weapons – 41 – G

Patent

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Details

F41G 7/20 (2006.01) F41G 7/22 (2006.01) G01S 7/02 (2006.01) G01S 13/66 (2006.01) H04N 5/232 (2006.01)

Patent

CA 2240344

A gimbled camera (34) is attached to a moving body (20) so that it can remain pointed at a desired target (28) as the body (20) moves. A gyroscope (38) is attached to the camera (34) so that it may move independently from the camera (34), so that the gyroscope (38) continuously points in one direction while the camera (34) moves relative to the gyroscope (38). Measurement devices determine the positions of the moving body (20) and gyroscope (38) relative to the camera (34). The sum of these measures yields the position of the target relative to the gyroscope (38), which translates to a command to point the gyroscope (38) at the target. The camera (34) is then moved independently to a specified alignment relative to the gyroscope (38).

Caméra suspendue à la cardan (34) qui est fixée à un corps mobile (20) et qui peut demeurer pointée en direction d'une cible désirée (28) durant que le corps (20) se déplace. Un gyroscope (38) est fixé à la caméra (34) pour pouvoir bouger indépendamment de celle-ci (34) et pointer de façon continue dans une direction pendant que la caméra (34) se déplace en lien avec le gyroscope (38). Des dispositifs de mesure déterminent les positions du corps mobile (20) et du gyroscope (38) en lien avec la caméra (34). La somme de ces mesures établit la position de la cible en lien avec le gyroscope (38), ce qui se traduit par une commande pour pointer le gyroscope (38) vers la cible. La caméra (34) est alors déplacée indépendamment afin d'obtenir un alignement précis en lien avec le gyroscope (38).

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