Gyro motor control system

Details Gyro motor control system Gyro motor control system

1979-06-25

1981-05-19

Bonck, Rodney H.

Machine element or mechanism

Gyroscopes

With rotor drive

318 3, 318701, G01C 1910

Patent

active

042677351

ABSTRACT:
A gyroscope with a solid rotor synchronous motor having three-phase square wave supply voltage is provided, and control circuitry including logic circuit components for periodically producing an amplitude modulation in the motor excitation voltage of constant frequency that results in a periodic slipping of a few degrees of the solid rotor relative to the electrical field is provided, whereby gyro drift errors varying sinusoidally in sense and magnitude in accordance with the relative rotation between field and rotor, balance out during each complete cycle of relative rotation.

REFERENCES:
patent: 3238432 (1966-03-01), Amberger
patent: 3264881 (1966-08-01), Poklar et al.
patent: 3354726 (1967-11-01), Krupick et al.
patent: 3438270 (1969-04-01), Binder et al.
patent: 3702569 (1972-11-01), Quinn et al.

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