NDLI: Analysis of sculling motion errors caused by sensor transfer function imperfections in strapdown inertial navigation systems

Content Provider	IEEE Xplore Digital Library
Author	Rapoport, I. Brandes, A.
Copyright Year	2010
Description	Author affiliation: Control and Navigation Group, Elbit Systems, Electro-Optics ELOP, Ltd, Rehovot, Israel (Rapoport, I.; Brandes, A.)
Abstract	Sculling compensation algorithms implemented in strapdown inertial navigation systems are designed to treat low frequency acceleration signals originated from a simultaneous linear and angular high frequency vibration through the strapdown navigation equations nonlinearity. However, if the inertial sensor transfer functions are imperfect, the low frequency terms might not be completely compensated, thus causing an effective bias in the accelerometer output. In the present work a quantitative analysis of the uncompensated sculling errors caused by the sensor transfer function imperfections is carried out in the case of the pure sculling motion. The obtained results can be used to facilitate the selection of the appropriate inertial sensors to meet the prescribed navigation accuracy requirements. The presented analysis is especially important if low cost (e.g., MEMS) sensors are considered for implementation in strapdown INS.
Starting Page	627
Ending Page	631
File Size	355721
Page Count	5
File Format	PDF
ISBN	9781424450367
ISSN	21533598
DOI	10.1109/PLANS.2010.5507184
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Motion analysis Sensor systems Transfer functions Inertial navigation Frequency Signal design Algorithm design and analysis Acceleration Nonlinear equations Accelerometers sensor errors sculling strapdown INS
Content Type	Text
Resource Type	Article

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