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Adaptive Backstepping Control for Roll Channel of Launch Vehicle

Journal: International Journal of Scientific Engineering and Research (IJSER) (Vol.3, No. 8)

Publication Date:

Authors : ; ;

Page : 49-53

Keywords : Backstepping Control (BS); Adaptive Backstepping Control (ABS); Launch Vehicle.;

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Launch vehicles are those which are used to carry payloads from earth?s surface to outer space. This paper describes the design of Backstepping and Adaptive Backstepping control on the roll dynamics of the launch vehicle in order to control the roll angle and roll rate. Backstepping is a recently developed design tool for constructing globally stabilizing control laws for a certain class of nonlinear dynamic systems. Backstepping is a recursive design methodology for the construction of both feedback control laws and associated Lyapunov functions in a systematic manner. While designing the backstepping control algorithm all the uncertainties are assumed to be constant which reduces the stability of the system. With Adaptive Backstepping, stabilization is achieved in the presence of unknown parameters. The comparison of the performance analysis of both Backstepping and Adaptive Backstepping is studied using MATLAB simulation. From the simulation results it is clear that Adaptive Backstepping Control Scheme gives better and satisfactory responses than the Backstepping Control.

Last modified: 2021-07-08 15:26:54