Integrated Guidance and Control for Combined Command/Homing Guidance

This paper describes an integrated design approach for a tactical missile which derives guidance commands from both a strapdown terminal homing seeker and a fixed-based radar system. To deal with initial errors between the fixed-based radar and missile reference systems, a separate navigation filter is designed which estimates any misalignments using the fixed-based radar measurement of the missile position and outputs of the IMU on board the missile. Simulation results indicate that small miss distances can be achieved without the need for accurate alignment of the missile prior to launch.