Robust-Backstepping Missile Autopilot Design Considering Time-Varying Parameters and Uncertainty | IEEE Journals & Magazine | IEEE Xplore

Robust-Backstepping Missile Autopilot Design Considering Time-Varying Parameters and Uncertainty


Abstract:

Missile autopilots for aerodynamic angle control and acceleration control are designed for fin-controlled missiles during the boost phase. In the boost phase, the speed c...Show More

Abstract:

Missile autopilots for aerodynamic angle control and acceleration control are designed for fin-controlled missiles during the boost phase. In the boost phase, the speed change and the parameter variation of the missile are fast and large. To deal with the time-varying characteristics of the missile, the time-varying parameters are considered in nonlinear dynamics, and the parametric uncertainties are modeled. A state-feedback controller is designed for aerodynamic angle control based on a robust-backstepping scheme. Also, an output feedback controller is designed for acceleration control, where the acceleration dynamics are derived using input-output linearization. Numerical simulations are performed to demonstrate the performance of the proposed controllers.
Published in: IEEE Transactions on Aerospace and Electronic Systems ( Volume: 56, Issue: 6, December 2020)
Page(s): 4269 - 4287
Date of Publication: 27 April 2020

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