Acceleration sensitive gyroscope stabilized platform

Details Acceleration sensitive gyroscope stabilized platform Acceleration sensitive gyroscope stabilized platform

1978-12-13

1981-06-30

Bonck, Rodney H.

Machine element or mechanism

Gyroscopes

Multiple gyroscopes

73504, 74 54, G01C 1954

Patent

active

042756057

ABSTRACT:
An inertial measuring unit which precesses about the direction of apparent acceleration as a consequence of the introduction of a mass unbalance to each of the gyroscopes in the inertial measuring unit. The mass unbalances and the rotational moments of inertia of the gyroscopes are carefully controlled so that all gyroscopes within the inertial measuring unit precess at the same rate about any apparent acceleration. The precession of gyroscopes causes certain of the gyroscope errors to be averaged about zero thus reducing the error in the inertial measuring unit. The effect of precession upon the spatial orientation of the inertial measuring unit is compensated for by sensing the apparent acceleration and computationally compensating for the precession due to such acceleration.

REFERENCES:
patent: 2969681 (1961-01-01), Beasley
patent: 3251233 (1966-05-01), Duncan et al.
patent: 3308670 (1967-03-01), Granqvist
patent: 3335614 (1967-08-01), Ellis
patent: 3509765 (1970-05-01), Stevenson et al.
patent: 3672229 (1972-06-01), Granqvist

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