A one-position comprehensive calibration method for long-endurance strapdown inertial navigation systems

作者：Feng Lu; Deng Zhi Hong; Wang Bo; Wang Shun Ting

来源：Acta Armamentarii, 2016, 37(2): 265-271.

DOI：10.3969/j.issn.1000-1093.2016.02.011

• Celestial Navigation System
• Comprehensive calibrations
• Computational error
• Inertial frames
• Modelling error
• Navigation in formation
• Science and Technology
• Strap-down inertial navigation systems

A one-position comprehensive calibration method based on inertial frame is proposed to suppress the divergence of errors of a strapdown system. The auxiliary navigation information is provided by GPS and celestial navigation system. The coefficients in the error model of traditional comprehensive calibration methods are basically determined by outputs of the INS, thus the computational errors of INS are introduced into the error model. These modelling errors are amended according to the auxiliary navigation information in the proposed method relaxing the constraint to speed and trajectory of the vehicle. Kalman filter is utilized to estimate the gyro constant drifts. The effectiveness of the method is demonstrated by simulation.

• 出版日期2016
• 单位北京理工大学