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Sperry Corp
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Sperry Rand Corp
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Publication of GB1312295ApublicationCriticalpatent/GB1312295A/en
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
G01C19/02—Rotary gyroscopes
G01C19/04—Details
G01C19/28—Pick-offs, i.e. devices for taking-off an indication of the displacement of the rotor axis
G—PHYSICS
G01—MEASURING; TESTING
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
G01C19/02—Rotary gyroscopes
G01C19/04—Details
G01C19/16—Suspensions; Bearings
G01C19/18—Suspensions; Bearings providing movement of rotor with respect to its rotational axes
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Physics & Mathematics
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Engineering & Computer Science
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General Physics & Mathematics
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Radar, Positioning & Navigation
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Remote Sensing
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Gyroscopes
(AREA)
Abstract
1312295 Gyroscopes accelerometers SPERRY RAND CORP 25 April 1970 Divided out of 1312294 39017/72 Heading G1C and GIN The description is contained entirely in Specification 1312294 but the claims relate to inertial apparatus having a rotating mass flexibly coupled to a drive-shaft, and a pick-off for measuring the relative displacement of the spin axis of the mass with respect to the drive-shaft.
Calculation of the displacements of the rotor center of gravity for a gyroscope with an elastic suspension(Axial and radial displacements determination in rotor center of gravity for gyroscope with elastic suspension)
Frequency model for the GI-T 1-B single degree of freedom rate integrating gyroscope(Development of frequency model for single degree of freedom rate integrating gyroscope using Eulerian formulation)
Effect of viscous friction force moments on the drift of a gyroscope in a gimbal suspension during vibrations of the base(Viscous friction force moments effect on gyroscope drift in gimbal suspension during base angular vibrations, obtaining drift velocity)
Strapdown system application studies related to a surface to surface missile(Strapdown system application studies related to surface to surface missile, considering angular vibration environment and constant rates about output and spin axes of gyro)
Drift of a gyroscope in a gimbal suspension on a moving base, in the presence of friction forces proportional to dynamic reactions(Gyroscopic drift in gimbal suspension on moving base in presence of friction force proportional to dynamic reactions)
Influence of friction in the suspension bearings on the motion of a gyroscope with forced rotation of the base(Influence of dry friction in suspension bearings on motion of gyroscope with forced gimbal rotation)
Compass effect of a gyro with forced rotation of the Gimbal mount(Compass effect of gyro with forced rotation of gimbal mount when installed in horizontal plane of earth)
On the effect of energy dissipation on the drift of a horizontal pendulum(Effect of energy dissipation on drift of horizontal pendulum on vibrating base with application to gyroscopic suspension systems)
Errors of an inertial navigation system with a gyrohorizon compass and a directional gyroscope(Explicit expressions for inertial navigation system errors analysis derived as function of plant coordinates, gyrocompass fluctuations, external moments and initial conditions)
The motion of the axis of a gyroscope casing during the run-out phase for the case of nonperpendicularity of the axes of rotation of the rotor and of the inner ring of the Cardan suspension(Precession of gyroscope casing during run-out phase for case of nonperpendicularity of rotor rotation axis to inner gimbal ring)
Selection'' of initial disturbances for the dynamic coordinates of two-rotor gyrocompasses(Dead zone initial disturbance of sensitive element dynamic coordinate in two rotor gyrocompass determined using method of averages)
Determination of the applied friction moment at the axes of the Cardan suspension of an astatic gyroscope(Applied friction moment at astatic gyro Cardan suspension axes, showing proportionality to angular velocity due to cavity formation in ball bearing lubrication)
Condition of drift invariance of two-stage gyroscope with arbitrary gas-lubricated main bearings to active accelerations(Condition of drift invariance of two-stage gyroscope with arbitrary gas-lubricated main bearings in active accelerations)
Method of loading, with the intervention of centrifugal force, fusible and pourable substances, in particular explosives, into a cavity, or of preparing shaped charges with said substances
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PS
Patent sealed
732
Registration of transactions, instruments or events in the register (sect. 32/1977)