The FEA And Structural Optimization Of The Workframe Of Four Gimbals And Two-axis Electro-optical Platform

The airborne electro-optical platform is one of the role equipments of the unmanned vehicles. The four frame two axis inertia platform that adopted this thesis bear the weight of the visible light TV,infrared thermovision,laser ranging three systems and is the execute machine that accomplish the direction change of the axis and the stabilization gyroscope during the aquire and track is composed of the inner,outer framework, electro-optical encode,moment motor. Because the apartment is mounted at the unmanned vehical, there is the strict request about the weight and the volume of the platform and request the presion of the platform. so request the platform with the enough rigid and intensity and high resonance frequency. In order to finish above requirment, except adopt the new material to the platform , analyse the framework of the platform by the finite element method. Draw on the optimum theory that establish the math modeling on framework optimum. By the guidance of the complex method, program to solve the optimum equation by MATLAB in order to confirm the optimum project and accomplish the object on alleviate the weight of the platform and increase the resonance frequency of the platform. In recently years, home and aboard some countries research on the field of the framework, obtain the enormous achievement.The thesis included several parts:1, Introduce the framework of the platform development on home and abroad, By analysis the structure and capability several framework of home and abroad, put forward to a kind of proper structure of the framework.2, On the base of the rigid,resonance frequency,weight, used of the elastic mechanics,the theory of FEM etc about the knowledge...