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Robust continuous sliding mode control for aerodynamic missile using stable system center technique

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2 Author(s)
Liang Yang ; State Key Lab for Turbulence and Complex Systems and Department of Mechanics and Aerospace Engineering, College of Engineering, Peking University, Beijing 100871, China ; Jianying Yang

This paper considers output tracking of reference signals produced by some external generator for uncertain aerodynamic missile system, which exhibits nonminimum phase characteristics, i.e, zero dynamics is unstable. Such nature of the plant restricts the application of plenty of powerful nonlinear control techniques such as feedback linearization control and sliding mode control. To overcome this difficulty, stable system center technique is adopted to estimate the stable reference signals of the internal states. Then based on the block control principle, a robust sliding surface is designed through H analysis ensuring the robustness against random disturbance. Following this, a novel continuous controller is developed in spite of the matched nonlinear disturbance, to guarantee the accurate tracking and to avoid possible chattering phenomena meanwhile. Finally, simulation results verifies the effectiveness of the proposed controller.

Published in:

Systems and Control in Aeronautics and Astronautics (ISSCAA), 2010 3rd International Symposium on

Date of Conference:

8-10 June 2010