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http://dx.doi.org/10.5139/IJASS.2011.12.3.266

Missile Autopilot Design for Agile Turn Using Time Delay Control with Nonlinear Observer  

Lee, Chang-Hun (Division of Aerospace Engineering, Korea Advanced Institute of Science and Technology)
Kim, Tae-Hun (Division of Aerospace Engineering, Korea Advanced Institute of Science and Technology)
Tahk, Min-Jea (Division of Aerospace Engineering, KAIST)
Publication Information
International Journal of Aeronautical and Space Sciences / v.12, no.3, 2011 , pp. 266-273 More about this Journal
Abstract
This paper deals with missile autopilot design for agile turn phase in air-to-air engagement scenarios. To attain a fast response, angle-of-attack (AOA) is adopted for an autopilot command structure. Since a high operational AOA is generally required during the agile turn phase, dealing with the aerodynamic uncertainties can be a challenge for autopilot design. As a remedy, a new controller design method based on robust nonlinear control methodology such as time delay control is proposed in this paper. Nonlinear observer is also proposed to estimate the AOA in the presence of the model uncertainties. The performance of the proposed controller with variation of the aerodynamic coefficients is investigated through numerical simulations.
Keywords
High angle-of-attack; Agile turn; Missile autopilot; Nonlinear control; Time delay control;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 0
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