Research on a combined proportional guidance method with the terminal point pointing to the predicted encounter point

In order to solve the problems of low guidance accuracy and non-convergence of normal overload at the end when the classical proportional guidance method is used in the final guidance phase of UAV in the process of intercepting maneuvering targets, a combined extended proportional guidance method is proposed in combination with the idea of predicted interception point. Using MATLAB simulation tools, the two-dimensional vertical plane of unmanned aerial vehicle intercept the target model respectively by classical proportional guidance method and the combined extended proportional guidance law has carried on the comparative analysis of the simulation results show that this kind of combined extended proportional guidance law not only effectively reduce the terminal error and the end of the normal overload level, but also can effectively track maneuvering target circular arc.