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This paper investigates the in-motion initial alignment for odometer-aided strapdown inertial navigation system with main focus on handling the severe disturbance inherent in the odometer. An attitude estimation-based alignment method is proposed through ingeniously attitude matrix decomposition and velocity rate equation reconstruction. The attitude estimation-based method can attenuate the disturbance...
A high-precision attitude determination and control of the sathyabama satellite is an essential task for the success of the whole mission. Satellite Attitude determination and control system is an integral part of any satellite. For satellites in LEO an interaction with the local geomagnetic field is an important means of controlling the attitude or orientation. Attitude estimation is highly nonlinear...
In this paper, a data fusion algorithm based on weighted least square is proposed to determine the attitude of low-rotary agile projectile. Three micro electro-mechanical system (MEMS) accelerometers are used as strapdown inertial measurement units (IMUs), and the unscented Kalman filter is used to directly estimate attitude of projectile by gravity components of measurement values of three accelerometers...
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