Gyroscopic Theory, Design, and Instrumentation |
Common terms and phrases
acceleration accelerometer aircraft aligned angular momentum apparent vertical artificial horizon assembly ball bearings beryllium center of mass centrifuge compass components constant controlled member coordinates COS² defined device direction dynamic Earth rate Equation error Euler angles flotation fluid frequency function gas bearings gear gimbal gravity gyro design gyro element gyro output gyro performance gyro wheel gyro-element gyrocompass gyroscope horizontal hysteresis inertial angular velocity inertial space input axis instrument integrating gyro linear magnetic north material matrix measured meru microsyn moment of inertia motion navigational frame nutation operation orientation output axis particles pendulous physical plane precession preload rate gyro reaction torque reference relative respect to inertial rotation rotor Schuler tuning servo shaft shown in Figure signal single-axis single-degree-of-freedom space integrator specific force spin axis spin-axis bearings stator three-axis torque torque motor torque-summing turntable two-degree-of-freedom gyro vector vehicle Wi(cm zero