System for providing space stabilization of a sensor carried...

Details System for providing space stabilization of a sensor carried... System for providing space stabilization of a sensor carried...

G - Physics

01

C

79/11, 79/2

G01C 19/30 (2006.01) G01C 19/00 (2006.01) G01C 21/18 (2006.01)

Patent

CA 2022531

A stabilized platform for mounting a camera or other sensor is suspended from a support post by a universal or Cardan joint with two torque motors powering its axes. Below this universal joint is a rotational joint also powered by a torque motor. A gyro stabilizer assembly comprising three orthogonally arranged gyroscopes is mounted on the platform. Position sensors detect the precession angles of the three gyroscopes and provide inputs to servo control loops which deliver drive signals to the torque motors. The platform including the gyro stabilizer assembly and the payload of camera or other sensor is configured such that the center of gravity is precisely located at the intersection of the three motor driven axes so to as eliminate unwanted torquing moments as a result of vehicle accelerations.

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