Design of a Velocity-Stabilized Loop for Airborne Multi-Frame Gyroscope-Stabilized Platform

In accordance with low resonance frequency in a multi-frame gyroscope-stabilized platform and spikes appeared in tracking error curve when swing platform is changing it swing directions, a velocity-stabilized loop with serial square lag and lead correction network and nonlinear acceleration compensation measure is designed. The stabilization accuracy is 3.8" when the platform swing amplitude is 5°and sine moving period is 6s. This fulfills the demands in technical specifications and shows that the velocity-stabilized loop is very effective in the practical applications.