What Is The Loose Combination Of GPS/INS Combined Navigation?

The loose combination adopts two independent systems, inertial navigation system and satellite receiver system.The error equation of inertial navigation is used as the system equation, and the difference between the position and velocity of inertial navigation output and that of satellite receiver is used as the quantity measurement of the system.Then, the attitude error, position error and velocity error of the Kalman filter are used to update the position, speed and attitude of the inertial navigation output.

MEMS Integrated INS

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