Strapdown Inertial Navigation System Initial Alignment Based on Modified Process Model
作者： Lubin Chang , Fangjun Qin , Sai Jiang
DOI: 10.1109/JSEN.2019.2910213
关键词: Nonlinear system 、 Frame (networking) 、 Computer science 、 Inertial navigation system 、 Process (computing) 、 Control theory 、 Consistency (statistics) 、 Mooring
摘要: In this paper, the nonlinear initial alignment method for Strapdown inertial navigation system is investigated. As an important part of method, dynamic model based on error equations re-derived with consideration mismatch between calculated frame and actual frame. Then, recursive procedure modified under marine mooring condition elaborated. The superiority proposed over traditional in terms rapidness, accuracy, consistency validated through simulated experimental tests.
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