Dynamic scheduling of modern-robust-control autopilot designs for missiles

Summary form only given. The issue of dynamically scheduling multiple LTI (linear-time-invariant) controllers, designed using H _∞/μ techniques, for systems with widely varying plant dynamics has been examined. The observer/full-state feedback structure of the LTI H_∞ controller has been extended to accommodate the time-varying, nonlinear dynamics problem. A procedure for handling the variations in the 2-Riccati equation solutions that occur between fixed operating points has been proposed. An example missile control problem, which contains realistic and necessary performance goals and robustness constraints, has been used to demonstrate the viability of the proposed approach