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Strap-down Inertial Navigation System
Dec 24, 2018

The Strap-down Inertial Navigation System (SINS) is to mount the accelerometer and the gyroscope directly on the carrier, and calculate the attitude matrix in real time in the computer, that is, calculate the carrier coordinate system and the navigation coordinate system. The relationship, thereby converting the accelerometer information of the carrier coordinate system into information in the navigation coordinate system, and then performing navigation calculation. Due to its high reliability, strong function, light weight, low cost, high precision and flexible use, SINS has become the mainstream of today's inertial navigation system development. The Inertial Measurement Unit (IMU) is the core component of the inertial navigation system. The accuracy of the output information of the IMU largely determines the accuracy of the system.


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