Inertial sensor arrangement

Details Inertial sensor arrangement Inertial sensor arrangement

1987-06-26

1989-04-25

Bonck, Rodney H.

Machine element or mechanism

Gyroscopes

Multiple gyroscopes

74 546, 74 56E, 364453, G01C 1928, G01C 1930

Patent

active

048236268

ABSTRACT:
An inertial sensor arrangement comprises two electrically restrained gyros with three mutually orthogonal input axes. After A/D-conversion pick-off signals are supplied to a digital computer which forms part of the restraining loop of the gyros and provides digital output signals. The output signals are applied to a D/A-converter which supplies corresponding currents to the torquer of the gyros. Thereby integrating quantization errors are avoided. The cross-coupling behavior and gyro errors can be compensated in the computer. The inertial sensor arrangement can be measured as an entirety. The gyro parameters measured thereby are memorized in an EEPROM and are taken into account in the computer.

REFERENCES:
patent: 4125017 (1978-11-01), Dhuyvetter et al.
patent: 4222270 (1980-09-01), Allen
patent: 4243324 (1981-01-01), Friedland
patent: 4255054 (1981-03-01), Friedland
patent: 4303978 (1981-12-01), Shaw et al.
patent: 4321678 (1982-03-01), Krogmann
patent: 4592242 (1986-06-01), Kempas
patent: 4626759 (1986-12-01), McBrien

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