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Adaptive Navigation Algorithm Under Abnormal Measurements in Libration-Point Mission | IEEE Journals & Magazine | IEEE Xplore

Adaptive Navigation Algorithm Under Abnormal Measurements in Libration-Point Mission


Abstract:

This paper investigates X-ray pulsar navigation for earth-moon libration-point mission. A comprehensive analysis shows that abnormal measurements are inevitable and bring...Show More

Abstract:

This paper investigates X-ray pulsar navigation for earth-moon libration-point mission. A comprehensive analysis shows that abnormal measurements are inevitable and bring quite adverse effects for navigation results. To approach this problem, a new algorithm called robust square-root cubature Kalman filter is proposed. An innovation-based adaptive scale factor is introduced to adjust measurement noise covariance so that the adverse effects of abnormal measurements can be suppressed. Effectiveness of the proposed method is demonstrated in simulation results.
Published in: IEEE Transactions on Aerospace and Electronic Systems ( Volume: 54, Issue: 1, February 2018)
Page(s): 246 - 256
Date of Publication: 25 September 2017

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