An Artillery For Lost Play Machine Hydraulic Control System Research

The autoloader system is one of the self-propelled artillery’s key technologies. Driven by hydraulic power, a projectile and a group of module gunpowder is autoloaded by the autoloader system through a series action of coordinating, swinging, shoving and turning. Based on the background of defense pre-research project, hydraulic control technology and intelligent control theory are used to research the principle of the autoloader system, which can provide theoretical foundation and design decision for engineering practice of such weapon systems. The main research content is as follows:The structure and schematic diagram of the autoloader system are analyzed and general design, the selection of key components and the design of PLC software and hardware of hydraulic system are conducted.The paper analyzes the structure and schematic diagram of valve-controlled cylinder and valve-controlled pump electro-hydraulic servo system and carries out the transfer function of the electro-hydraulic servo system, based on the hydraulic and dynamic equations. Further the simulation model of coordinating arm subsystem is built with MATLAB, and factors of nonlinear and time varying of system are considered as well, which paid a solid foundation of further research and simulation test.A study of electro-hydraulic servo system based on adaptive fuzzy control is conducted, which is applied to the simulation model of coordinating arm system. It is not only proved that this algorithm is able to trace the step-function signal, ramp signal and sinusoidal signal, which see a small steady state error and meet the design sheets, but a successful trial applied adaptive fuzzy control to high performance electro-hydraulic position servo systems.Mechanical subsystem model and hydraulic subsystem model of coordinating arm system are built based on ADAMS and AMESim, respectively, followed with detailed setup steps of the co-simulation conditions and input/output variables and establishment of interface module. Based on the elevation range, this experiment is divided into eight groups in order to demonstrate the promising performances of the proposed model, which showing the ability to access the request of time and precision.