Inertial Navigation System.
DEPARTMENT OF THE ARMY WASHINGTON DC
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A navigational system for automatically positioning a platform relative to the earths geopotential surface. A system is provided which includes an accurate self-contained attitude reference to the true vertical. The system includes an inertial platform which is rotatable relative to a level platform, each of the platforms being connected to a two axis gimbal. One of the platforms is also connected to a three axis gimbal which may be connected to the vehicle which it is desired to stabilize. Means are provided for sensing rotation of one platform relative to the other. An inertial platform position control computer is provided for generating first corrected signals to the three axis gimbal for automatically referencing the inertial platform to a datum reference spheroid. Additionally computer means are provided for generating second corrected signals to the two axis gimbal to align the level platform with the true vertical to the geopotential surface of the earth. Author
- Navigation and Guidance