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Robust Height Control System Design for Sea-Skimming Missiles
Sea-skimming missiles are required to fly at a very low height over the mean sea level in order to avoid detection on the one hand and to inflict substantial damage to the enemy ship on the other. The height control system of a sea-skimming missile experiences a disturbance because of sea waves, whi...
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Published in: | Journal of guidance, control, and dynamics control, and dynamics, 2011-11, Vol.34 (6), p.1746-1756 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Sea-skimming missiles are required to fly at a very low height over the mean sea level in order to avoid detection on the one hand and to inflict substantial damage to the enemy ship on the other. The height control system of a sea-skimming missile experiences a disturbance because of sea waves, which increases the probability of the missile ditching into the sea. The unmodeled dynamics and varying aerodynamic coefficients further compound the task of the height control system. In this paper, a novel method for height control based on the extended state observer, which enables an estimation of the sea-wave disturbances in real time, is proposed. The estimate can be used for real-time planning of the skimming altitude. Simulation results show that the height control system functions effectively in the presence of significant sea-wave disturbances. Finally, the proposed design is compared with some existing designs reported in the literature. [PUBLISHER ABSTRACT] |
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ISSN: | 0731-5090 1533-3884 |
DOI: | 10.2514/1.53577 |