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Nonlinear Robust Observer Design for Strapdown INS In-Flight Alignment
Cited 14 time in
Web of Science
Cited 31 time in Scopus
- Authors
- Issue Date
- 2004-04-30
- Publisher
- IEEE
- Citation
- IEEE Transactions on Aerospace and Electronic Systems, 40, 3 (2004), 797-807.
- Abstract
- A nonlinear observer is proposed for a strapdown inertial
navigation system (SDINS) in-flight alignment problem using
an H
1
filter Riccati equation and a freedom parameter. The
proposed observer improves the filtering stability, convergence,
and performance. The characteristics of the observer are analyzed
using a Lyapunov function. Simulation results demonstrate
a significant reduction in alignment errors by employing the
proposed nonlinear observer. The observer is developed in general
such that it can be applied to estimating nonlinear systems other
than the SDINS in-flight alignment.
- ISSN
- 0018-9251
- Language
- English
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