Coarse leveling of gyro-free INS

E. Vaknin; I. Klein

doi:10.1134/S2075108716020115

Coarse leveling of gyro-free INS

Research output: Contribution to journal › Article › peer-review

Abstract

For a stationary system, coarse alignment is used to initially determine the orientation of the INS by utilizing the Earth gravity and rotation vectors. Yet, a gyro-free INS has only accelerometers and hence cannot measure the Earth rotation vector and thus cannot deduce its yaw angle. In this paper, we formulate the coarse-alignment procedure and derive error characteristics for a gyro-free system. In addition, a comparison between different configurations of accelerometers is being conducted.

Original language	English
Pages (from-to)	145-151
Number of pages	7
Journal	Gyroscopy and Navigation
Volume	7
Issue number	2
DOIs	https://doi.org/10.1134/S2075108716020115
State	Published - 1 Apr 2016
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2016, Pleiades Publishing, Ltd.

ASJC Scopus subject areas

Control and Systems Engineering
General Computer Science
Electrical and Electronic Engineering

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10.1134/S2075108716020115

Cite this

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abstract = "For a stationary system, coarse alignment is used to initially determine the orientation of the INS by utilizing the Earth gravity and rotation vectors. Yet, a gyro-free INS has only accelerometers and hence cannot measure the Earth rotation vector and thus cannot deduce its yaw angle. In this paper, we formulate the coarse-alignment procedure and derive error characteristics for a gyro-free system. In addition, a comparison between different configurations of accelerometers is being conducted.",

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AB - For a stationary system, coarse alignment is used to initially determine the orientation of the INS by utilizing the Earth gravity and rotation vectors. Yet, a gyro-free INS has only accelerometers and hence cannot measure the Earth rotation vector and thus cannot deduce its yaw angle. In this paper, we formulate the coarse-alignment procedure and derive error characteristics for a gyro-free system. In addition, a comparison between different configurations of accelerometers is being conducted.

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Coarse leveling of gyro-free INS

Abstract

Bibliographical note

ASJC Scopus subject areas

Access to Document

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