Free gyro motor drive circuit

Details Free gyro motor drive circuit Free gyro motor drive circuit

1978-12-04

1980-12-23

Bonce, Rodney H.

Machine element or mechanism

Gyroscopes

With rotor drive

74 56E, 318318, 318648, G01C 1908

Patent

active

042403014

ABSTRACT:
A system which utilizes a free gyro motor drive circuit to control the sp and rotational direction of a gyro motor. The free gyro motor drive circuit includes a first sensing means for generating a up-down sinusoidal position signal and a second sensing means for generating a right-left sinusoidal position signal, both sinusoidal position signals having a frequency corresponding to the rotational speed of the gyro motor. A direct current error signal is fed into a first speed control circuit means along with the up-down sinusoidal position signal to produce an up-down motor control signal. Similarly, the direct current error signal is fed into a second speed control circuit means along with the right-left sinusoidal position signal to produce a right-left motor control signal. The up-down motor control signal drives a pair of up-down motor coils in the free gyro motor, and the right-left motor control signal drives a pair of right-left motor coils in the free gyro motor.

REFERENCES:
patent: 3044309 (1962-07-01), Buchhold
patent: 3209602 (1965-10-01), Biderman
patent: 3456511 (1969-07-01), Clark et al.
patent: 3477298 (1969-11-01), Howe
patent: 3596523 (1971-08-01), Clark
patent: 3886803 (1975-06-01), Jacobson et al.
patent: 3902374 (1975-09-01), Hoffman et al.
patent: 4105935 (1978-08-01), Arai et al.

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