Electricity: motive power systems – Positional servo systems – With particular 'error-detecting' means
Patent
1981-11-06
1983-11-29
Dobeck, B.
Electricity: motive power systems
Positional servo systems
With particular 'error-detecting' means
318584, 318656, 244171, B64C 1702
Patent
active
044183062
ABSTRACT:
An azimuth data stabilization system for a shipborne mechanically scanned arch-track system. A unitary package is provided mounted on the roll and pitch stabilized search-track system platform. The package includes a gyro stabilized turntable with the axis of rotation thereof aligned parallel to the axis of rotation of the search-track system. A gyro-torquer loop is provided to inertially stabilize the turntable and a synchro or resolver chain is provided to align the turntable with an azimuth reference. Corrected ships heading signals, derived from the angular position of the turntable, are either coupled directly to appropriate data processing equipment or are combined differentially as compensating signals with the azimuth data signals from the search-track system to provide a true azimuth data output.
REFERENCES:
patent: 2989672 (1961-06-01), Agins
patent: 3398341 (1968-08-01), Dooley et al.
patent: 4052654 (1977-10-01), Kramer et al.
patent: 4223259 (1980-09-01), Ernsberger et al.
Dobeck B.
The United States of America as represented by the Secretary of
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