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		Guangfu MA,Zhiyong SHE.[en_title][J].Control Theory and Technology,2011,9(4):535~540.[Copy]

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GuangfuMA,ZhiyongSHE
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(School of Astronautics, Harbin Institute of Technology)

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Received:January 14, 2010Revised:July 27, 2010

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Time-varying control via nominal trajectory linearization for an air-breathing hypersonic vehicle

Guangfu MA,Zhiyong SHE

(School of Astronautics, Harbin Institute of Technology)

Abstract:

A time-varying control law via nominal trajectory linearization for an air-breathing hypersonic vehicle (ABHV) model is applied. Feasible guidance command signal serials are generated by nonlinear dynamic inverse (NDI) method considering interactions between aerodynamic effects and propulsion systems. Multiple-time-scale continuous time-varying control, which meets the requirement with accurate, robust, and decoupled tracking of both the commanded trajectory and angular rate profiles in the presence of modeling uncertainties and external disturbances are applied. The simulations for an ABHV model with modeling uncertainties, wind gust, and measuring noises are presented to demonstrate the capacity and reliability of this proposed method.

Key words: Flight control NDI Robustness Hypersonic ABHV Multiple time scale