Gyroscopically stabilized sensor positioning system

Details Gyroscopically stabilized sensor positioning system Gyroscopically stabilized sensor positioning system

1989-08-02

1991-02-05

Bonck, Rodney H.

Machine element or mechanism

Gyroscopes

Combined

74 534, 352243, 354 70, G01C 1916, G03B 500

Patent

active

049894668

ABSTRACT:
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 as to eliminate unwanted torquing moments as a result of vehicle accelerations.

REFERENCES:
patent: 2883863 (1959-04-01), Karsten et al.
patent: 2955474 (1960-10-01), Sutherland
patent: 2963242 (1960-12-01), Mueller
patent: 3335614 (1967-08-01), Ellis
patent: 3517563 (1970-06-01), Will
patent: 3638502 (1972-02-01), Leavitt et al.
patent: 4826310 (1989-05-01), Goodman

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