Multi-Objective Frequency Loop-Shaping of a Lateral Missile Autopilot

Abstract The paper presents the lateral acceleration control design ofnon-linear missile model using the multi-objective evolutionary optimisation. The interpolated controller design is carried out by minimising frequency domain based performance objectives subject to actuator limitations (position and rate). TIle actuator constraint functions are formulated in term of closed-loop actuator impulse response. The controller's trade-oHs are analysed using the obtained Pareto-optimal solutions (corresponding to a given set of target vectors). The non-linear simulation results show that the selected interpolated controller is indeed a robust tracking controller for all possible perturbations. In addition, the resulting fin responses are accurately determined.