Generalized error analysis of analytical coarse alignment formulations for stationary SINS
作者： Felipe O. Silva
DOI: 10.1016/J.AST.2018.06.015
关键词: Error analysis 、 Body frame 、 Computer science 、 Orientation (geometry) 、 Inertial measurement unit 、 Algorithm 、 Inertial navigation system 、 Frame (networking) 、 Aerospace engineering
摘要: Abstract This communication presents additional results on a recently published work of the author [1] , which addressed stationary coarse alignment (CA) stage strapdown inertial navigation systems (SINS). As main contribution this communication, error analysis proposed in is extended, and novel general expressions for SINS CA errors are derived, valid regardless measurement unit (IMU) orientation, present hence, greater practical applicability. The prove to be similar simplified equations derived but with body frame coordinates replaced by coordinates. Simulation validates adequacy outlined verifications, agreement experimental found literature.
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