In this section, you can access to the latest technical information related to the FUTURE project topic.

Nussbaum gain adaptive control scheme for moving mass reentry hypersonic vehicle with actuator saturation

This paper addresses an actuator saturation problem of the moving mass hypersonic vehicles (HSVs) in the reentry phase. The saturation nonlinearity is modeled using a hyperbolic tangent function and the concomitant time-varying coefficients problem is handled via Nussbaum gain technique. Then backstepping technique is applied in control design and the explosion of complexity in traditional backstepping design is avoided by utilizing dynamic surface control. Subsequently, a Nussbaum gain adaptive controller is constructively framed to deal with the actuator saturation. Based on the disturbance observers, the robustness of the proposed controller is enhanced. The semiglobal stability of the closed-loop system is ensured via Lyapunov synthesis. Finally, numerical simulation results are presented to show the effectiveness of the designed control scheme.

» Author: Haolan Chen, Jun Zhou, Min Zhou, Bin Zhao

» Reference: 10.1016/j.ast.2019.05.041

» Publication Date: 22/05/2019

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