Design of flight control system (FCS) for tiltrotor aircraft is considered in this paper. FCS requirements include time and frequency domain specifications, hard constraints on actuator, and safety constraints such as g-levels. We show that model predictive control (MPC) can be used to handle all these specifications. Numerical results show that MPC can achieve excellent performance over a wide range of flight conditions.
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Mehra et al. (2002) studied this question.