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http://dx.doi.org/10.5139/JKSAS.2014.42.10.816

Nonlinear Observer Design for Satellite Angular Rate Estimation by SDRE Method  

Jin, Jaehyun (Sunchon National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.42, no.10, 2014 , pp. 816-822 More about this Journal
Abstract
The estimation of the angular rate of a satellite has been discussed. A nonlinear observer has been proposed based on the state-dependent Riccati equation method. A sufficient stability condition for the convergence of estimation error has been presented. This condition is related to a state-dependent algebraic Riccati equation. It has been derived by transforming nonlinear error dynamics into a Lipschitz nonlinearity. An observer gain is obtained from this condition. Numerical simulations are presented to verify the proposed method.
Keywords
Satellite angular speed estimation; Nonlinear observer; SDRE(State-dependent Riccati equation); Lipschitz nonlinearity;
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Times Cited By KSCI : 2  (Citation Analysis)
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