Two axis rate gyro apparatus

Details Two axis rate gyro apparatus Two axis rate gyro apparatus

1987-05-22

1989-07-18

Bonck, Rodney H.

Machine element or mechanism

Gyroscopes

Gyroscope control

74 56E, G01C 1922, G01C 1928

Patent

active

048481696

ABSTRACT:
A two-degree of freedom, open loop, spring restrained rate gyro apparatus includes a motor mounted in a housing with a conductive device provided for conducting operating voltages into and out of the housing. A shaft is rotatably mounted in the housing and is connected to be driven by the motor. A ring, having a hub, is connected to the shaft. The ring and hub are interconnected by a torsion bar. A stop is connected to the shaft adjacent the ring so as to define an air gap between the ring and the stop. A pair of variable reluctance pickoffs are mounted in the housing adjacent the ring. The pickoffs also define an air gap between each of the pickoffs and the ring. An optical pickoff is also mounted adjacent the ring. A signal processor is connected to the pair of variable reluctance pickoffs and to the optical pickoff for measuring the rate of the gyro.

REFERENCES:
patent: 3540289 (1970-11-01), Ivers
patent: 4259871 (1981-04-01), Kerhoas et al.
patent: 4386535 (1983-06-01), Albert

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