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An inertial navigation system (INS; also inertial guidance system, inertial instrument) is a navigation device that uses motion sensors (accelerometers), rotation sensors and a computer to continuously calculate by dead reckoning the position, the orientation, and the velocity (direction and speed of movement) of a moving object without the ...
An inertial navigation system is a system which continually determines the position of a vehicle from measurements made entirely within the vehicle using sensitive instruments. These instruments are accelerometers which detect and measure vehicle accelerations, and gyroscopes which act to hold the accelerometers in proper orientation.
Inertial navigation system is an estimated position source, utilizing acceleration, deceleration, and pitch and roll for computing. Bottom contour navigation may be used in areas where detailed hydrographic data has been charted and there is adequate variation in sea floor topography.
Schuler tuning is a design principle for inertial navigation systems that accounts for the curvature of the Earth. An inertial navigation system, used in submarines, ships, aircraft, and other vehicles to keep track of position, determines directions with respect to three axes pointing "north", "east", and "down".
Autonetics included the Navigation Systems division, designing and producing inertial and stellar-inertial navigation systems for ships, submarines, missiles, aircraft and space vehicles. One of the automatic navigation systems produced by the division was the N-6 or NAVAN (North American Vehicle Auto Navigation) for the Navaho missile system ...
Inertial navigation systems (INSes), which are nearly universal on more advanced aircraft, use dead reckoning internally. The INS provides reliable navigation capability under virtually any conditions, without the need for external navigation references, although it is still prone to slight errors.
In addition to the current position, inertial navigation systems also typically estimate a predicted position for future computing cycles. See also Inertial navigation system. Astro-inertial guidance is a sensor fusion/information fusion of the Inertial guidance and Celestial navigation.
GPS/INS is commonly used on aircraft for navigation purposes. Using GPS/INS allows for smoother position and velocity estimates that can be provided at a sampling rate faster than the GPS receiver. This also allows for accurate estimation of the aircraft attitude (roll, pitch, and yaw) [citation needed] angles.
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