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A sliding mode controller is designed for the longitudinal dynamics of a generic hypersonic vehicle. A generic nonlinear longitudinal dynamics model for wedge-shaped vehicle is used. Based on the dynamic inverse control, the sliding mode is adopted with the reaching law that contains a linear-quadratic controller. Optimal control techniques can be applied to search the parameters of linear-quadratic...
The backstepping control is investigated for a class of unknown nonlinear systems in parametric-pure-feedback form. Neural networks(NNs) are applied to approximate the unknown dynamics. The adaptive laws of the weights of NN and the ideal sliding mode are derived in the sense of Lyapunov function, so the stability can be guaranteed. The proposed control not only relaxes the assumptions of nonlinear...
It's necessary to discuss an approach of chaotic synchronization based on exponent stability, because exponent stability is a type of more superior asymptotic stability. To realize chaotic synchronization with better synchronization capability, a theory of exponent stability was introduced, and a chaotic synchronization approach based on exponent stability of the chaotic synchronization error system...
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