Integrated Guidance and Control for Semi-Strapdown Missiles with Terminal Attack Angle and Field-of-View Constraints

This paper presents an integrated guidance and control (IGC) design scheme for the semi-strapdown missiles with the terminal attack angle and the seeker field-of-view (FOV) constraints. Firstly, an IGC model in the pitch plane is established. Then, by referring to the theory of the sliding mode control approach, an adaptive nonlinear control law is designed based on the dynamic surface control method. The control law explicitly considers the FOV constraint, and can make the missile hit the target accurately with the desired terminal attack angle. The stability of the closed-loop system is analyzed by employing the Lyapunov theory. Finally, the numerical simulation confirms the effectiveness of the proposed scheme.