The Theory of Inertial Navigation System

Inertial Navigation System is an autonomous Navigation technology developed in the mid-20th century. It is composed of inertial measurement component (IMU), measuring relative inertial angular rate and acceleration information of the space, uses Newton’s laws of motion automatically calculate the instantaneous velocity and position information carrier. Inertial Navigation System has does not rely on outside information, no radiation energy to the world, without interference and good concealment, and inertial navigation system can continuously provide all vehicle navigation, guidance parameters (position, velocity, angular velocity and attitude angle). Inertial navigation system is a self-directed navigation method realized by measuring the acceleration and angular velocity of gyroscope and accelerometer.

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