Robust Controller Design for Autopilot of a BTT Missile

In this paper, a constant non-switching feedback controller, which stabilizes the system on the whole trajectory and doesn´t vary with the rolling rate, is proposed according to the parameterized eigenstructure assignment method for the pitch/yaw channel autopilot of a certain BTT missile. Feedforward compensators are designed based on the model reference method to realize the tracking of the overload signals. The stability of the designed autopilot is strictly analyzed based on the theory of quadratic stability and the resulted system is proved to be robust stable against variations of the rolling rate and system parameters. The structure of the proposed controller is very simple and can be easily realized. Simulation results show the effect of the method