Method and apparatus for measuring the inclination of a spin axi

Details Method and apparatus for measuring the inclination of a spin axi Method and apparatus for measuring the inclination of a spin axi

1997-11-21

2000-03-14

Hoff, Marc S.

Data processing: measuring, calibrating, or testing

Measurement system

Orientation or position

73 177, G01C 1918

Patent

active

060385243

ABSTRACT:
To measure, in a reference frame, angular displacements of a privileged axis tied to a carrier, angular velocities or angular increments of the carrier are measured about two axes tied to the carrier, which axes are orthogonal to each other and at an angle of about 90.degree. the privileged axis. Said mutually orthogonal axes are caused to rotate at high speed about said privileged axis. The angular positions of said mutually orthogonal axes about the privileged axis are determined continuously relate to a reference position. Their angular displacements are calculated by integrating their angular velocities while taking account of said angular positions of the orthogonal axes about the privileged axis.

REFERENCES:
patent: 5270959 (1993-12-01), Matsuzaki et al.
patent: 5283754 (1994-02-01), Stieler et al.
patent: 5313850 (1994-05-01), Finvold et al.
patent: 5379228 (1995-01-01), Asplund

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