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Terminal Guidance Algorithm for Ramjet-Powered Missiles

Authors: Romesh Aggarwal; Charles Moore;

Terminal Guidance Algorithm for Ramjet-Powered Missiles

Abstract

Theterminal guidancedesign problem fora long-rangebank-to-turn (BTT)ramjetmissileinvolvesa completely coupled pitch ‐yaw‐roll nonlinear dynamics model. Because of these nonlinear dynamics, an optimal solution for acceleration and roll-rate commands can be found only by numerical methods for solving two-point boundary value problems. Because the roll-rate dynamics of the state-of-the-art missiles is much faster than the rest of the systemstates,anear-optimalsolutionisobtainedtotheBTTguidanceproblemusing multipletimescaletechniques. Nonlinear feedback solutions for the acceleration command and roll-rate command are derived. The zero-order slow solution obtained by treating roll rate as ine nitely fast, is exactly the optimal guidance law for a skid-to-turn missile.Thezero-orderfastsolutionprovidestheroll-ratecommand.Ae rst-orderanalysiscorrectstheacceleration command for the e nite dynamics behavior in bank angle. Simulation results are presented for a representative terminal engagement using this algorithm. Near-zero miss distances are obtained in a noise-free environment.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
14
Average
Top 10%
Average
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