Attitude Control Simulation of Deep-Sea Submerged Buoy Using Four Thrusters

The sea surveying instruments ask the deep-sea submerged buoy for the ability of adjusting its attitude. The paper deals with the attitude control issue of the deep-sea submerged buoy under the sea current. Firstly, the six degree of freedom motion equation of the submerged buoy is predigested to two vertical section models. Secondly, based on the input-output linearization technique, a state feedback control law is presented for submerged buoy's attitude control system. The controller is implemented by four thrusters. Finally, numerical simulations are presented to validate the proposed controller. It is shown that the proposed controller exhibits relatively high effectiveness.