GNSS-assisted optimal alignment method for low-cost SINS motion of vehicle
Yuqian Yan,
Yongbo Si,
Guangwu Chen
et al.
Abstract:To improve the alignment accuracy and environmental applicability of the micro-electromechanical system (MEMS)-based strapdown inertial navigation system (SINS), this study proposes a global navigation satellite system (GNSS)-assisted multi-vector determination of the attitude optimal indirect coarse alignment. Using the inertial information output from the inertial measurement unit and the velocity information from the GNSS, a simplified velocity observation vector is constructed and the velocity lever arm st… Show more
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