Robust finite-time line-of-sight angular rate estimation in missile guidance

Shaoming He; Wei Wang; Jiang Wang

doi:10.1177/0954410016654178

Robust finite-time line-of-sight angular rate estimation in missile guidance

Shaoming He^*, Wei Wang, Jiang Wang

^*Corresponding author for this work

School of Aerospace Engineering

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

5 Citations (Scopus)

Abstract

This paper documents a robust finite-time line-of-sight angular rate estimation in missile guidance. Through geometric homogeneity and Lyapunov theories, it is shown that the observer estimation errors can converge into a bounded nonzero residual set in finite time and the upper bound can be lowered by parameter tunings. For estimation performance improvement, the sliding mode gains are also determined theoretically. With the help of these gains, it is proved that the observer estimation errors can converge to zero in finite time. Detailed simulation results with some comparisons are performed to validate the proposed formulation.

Original language	English
Pages (from-to)	1550-1559
Number of pages	10
Journal	Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
Volume	231
Issue number	8
DOIs	https://doi.org/10.1177/0954410016654178
Publication status	Published - 1 Jun 2017

Keywords

Line-of-sight angular rate estimation
finite-time convergence
geometric homogeneity
missile guidance
sliding mode gain

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10.1177/0954410016654178

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abstract = "This paper documents a robust finite-time line-of-sight angular rate estimation in missile guidance. Through geometric homogeneity and Lyapunov theories, it is shown that the observer estimation errors can converge into a bounded nonzero residual set in finite time and the upper bound can be lowered by parameter tunings. For estimation performance improvement, the sliding mode gains are also determined theoretically. With the help of these gains, it is proved that the observer estimation errors can converge to zero in finite time. Detailed simulation results with some comparisons are performed to validate the proposed formulation.",

keywords = "Line-of-sight angular rate estimation, finite-time convergence, geometric homogeneity, missile guidance, sliding mode gain",

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Robust finite-time line-of-sight angular rate estimation in missile guidance

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Keywords

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