Bias correction apparatus of gyro

Details Bias correction apparatus of gyro Bias correction apparatus of gyro

1991-12-27

1993-12-14

Harvey, Jack B.

Boots, shoes, and leggings

36457101, 364453, 364449, 36457104, 73 1E, G01C 1900

Patent

active

052709590

ABSTRACT:
A bias correction apparatus comprising a gyro, bias calculation means for reading output data of the gyro every a certain fixed period after the apparatus is turned on and for calculating a bias value of the gyro on the basis of the read output data, storage means for storing the bias value calculated by the bias calculation means, and bias correction means for correcting angular velocity data of a vehicle obtained from the gyro output data with the bias value stored in the storage means. When calculating a first bias value after the apparatus is turned on, the bias calculation means calculates the bias value by reading the gyro output data every a shorter period than the certain fixed period.

REFERENCES:
patent: 3622764 (1971-11-01), Brendes et al.
patent: 4193039 (1980-03-01), Massa et al.
patent: 4470124 (1984-09-01), Tagami et al.
patent: 4524357 (1985-06-01), Nakamura et al.
patent: 5065612 (1991-11-01), Ooka et al.
patent: 5115238 (1992-05-01), Shimizu et al.

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