The Research of H ∞ Mixed Sensitivity Method for line-of-sight Stabilization for Carrier-Based theodolite

In view of the requirements of isolating disturbances and stabilizing optical axis of Carrier-Based theodolite, A two-axis stabilizated platform system with the rate gyro was designed, The expressions of line-of-sight addangle velocity begotten by ship-swaying is introduced, The principles of selection of weighting of fuctions are brought, and adopting H ∞ Mixed Sensitivity Method in the velocity Stabilization-loop.