| 摘要 |
Apparatus for simultaneously compensating pitch and roll gimbal errors in directional gyroscopes for use in navigable craft comprises means responsive to the output signal of the directional gyroscopes and a signal related to the roll attitude of the craft for compensating the gyroscope output signal for roll gimbal error. Further means are included responsive to the roll attitude signal, a pitch attitude signal and a signal related to heading for providing a pitch gimbal error compensation signal. This pitch gimbal error compensation signal is combined with the roll compensated directional gyroscope output signal in a repeater servo loop to provide a signal accurately representative of heading irrespective of the pitch and roll attitude of the directional gyroscope.
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