Research On Disturbance Analysis And Control System Of Floating Platform On Water Surface

With the progress of economy,the water floating platform is widely used in ocean engineering.As a kind of floating foundation,the floating platform provides a relatively stable floating environment for the positioning and targeting of water equipment.The article is focused on the small floating platform,starting from the system’s attitude stability,including the following aspects:The wave disturbance of the floating platform is analyzed and the hydrodynamic characteristics is studied.Based on the structural characteristics of floating platform and the theory of potential flow.The wave disturbance mechanism and the surface wave force are analyzed,and the multi-body dynamics model of the floating platform is established.The topological structure of the platform is studied,and the surface stability of the floating platform is calculated by using the hydrodynamic simulation software.The motion of the floating platform is simulated,and the influence of the structure on the hydrodynamic performance is analyzed.The configuration of the floating platform is optimized and the surface stability of the platform is increased.It provides the theoretical basis for the subsequent stance control.The active control strategy of floating platform is studied.The control methods and control strategies of the platform attitude are analyzed.The parallel mechanism of electromechanical two-degree-of-freedom is used to control the attitude of the floating platform.Based on the fuzzy PID algorithm,the control system is simulated and analyzed to realize the autonomous control of the platform attitude,and the stable working environment is provided for the platform load equipment.The test of the floating platform is carried out.The hydrodynamic performance test is carried out,measuring the trajectory of floating platform in the water,and analyze the relationship between the waves and platform responses;Control performance test is carried out,improving the floating platform stability accuracy,to achieve the effective suppression of external forces.