inertial navigation system


inertial navigation system
A self-contained navigation system, comprising gyros, accelerometers, and a navigation computer, which automatically provides vehicle position, heading, velocity, and other navigational information in response to signals resulting from the inertial effect on system components. It does not require inputs from any external source. The vehicle’s initial position is fed into a computer and further changes are related to acceleration in various axes, thus providing an up-to-date position. By programming a series of waypoints, the system can navigate along a predetermined track. New waypoints can be inserted, if required. The system accuracy is about 1 to 2 NM/h. The inaccuracies can be minimized if the system is updated at suitable points along the track at regular intervals.
INS control and display panel.

Aviation dictionary. 2014.

Look at other dictionaries:

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