Singular perturbationlike approach to compensation of actuator dynamics effect in missile control

Our recently developed nonlinear autopilot controller can make the input-output (I/O) dynamic characteristics of the nonlinear bank-to-turn (BTT) missile system linear and independent of flight conditions. However, relatively slow actuator dynamics can degrade its performance significantly. The prop...

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Bibliographic Details
Published inIEEE transactions on aerospace and electronic systems Vol. 50; no. 4; pp. 2417 - 2439
Main Authors Yeom, Joon-Hyung, Song, Seong-Ho, Hong, Jin-Woo, Ha, In-Joong
Format Journal Article
LanguageEnglish
Published New York IEEE 01.10.2014
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
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Summary:Our recently developed nonlinear autopilot controller can make the input-output (I/O) dynamic characteristics of the nonlinear bank-to-turn (BTT) missile system linear and independent of flight conditions. However, relatively slow actuator dynamics can degrade its performance significantly. The proposed compensation method can nearly eliminate the effect of slow actuator dynamics while maintaining the desired linear I/O dynamic characteristics. It considers fully the nonminimum-phase nonlinear BTT missile dynamics but requires no differentiations of noisy variables, unlike other existing control methods.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2014.120332