Adaptive integral dynamic surface control of a hypersonic flight vehicle

Waseem Aslam Butt, Lin Yan and Kendrick Amezquita S.

International Journal of Systems Science, 2015, vol. 46, issue 10, 1717-1728

Abstract: In this article, non-linear adaptive dynamic surface air speed and flight path angle control designs are presented for the longitudinal dynamics of a flexible hypersonic flight vehicle. The tracking performance of the control design is enhanced by introducing a novel integral term that caters to avoiding a large initial control signal. To ensure feasibility, the design scheme incorporates magnitude and rate constraints on the actuator commands. The uncertain non-linear functions are approximated by an efficient use of the neural networks to reduce the computational load. A detailed stability analysis shows that all closed-loop signals are uniformly ultimately bounded and the L∞$\mathcal {L}_{\infty }$ tracking performance is guaranteed. The robustness of the design scheme is verified through numerical simulations of the flexible flight vehicle model.

Date: 2015
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DOI: 10.1080/00207721.2013.828798

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