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In this paper, a new iterative algorithm for determination of direction cosine matrix (DCM) is presented, it can be expressed as two forms, matrix exponential and six scalar differential equations respectively, corresponding to each form, related algorithms used for the orthonormalization are derived, although the simulations and algorithm analysis are omitted here, the Van test results verified its...
In the gyro free strapdown inertial navigation system (GFSINS), the precision of system is obviously affected by the static error of accelerometer because accelerometers are used instead of gyroscopes. Firstly, the static error model of accelerometer is built, and the effect of static error for angular velocity calculation in a nine-accelerometer configuration system is given. Then, the accelerometer...
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