Research On Route Planning And Terrain Contour Mapping Techniques Based On A Certain Missile

Low altitude penetration technique can utilize the characters of the terrain to avoid the threat, so it can improve the security and accuracy of the aircraft during flight and attack. The thesis gives the design of low altitude penetration system based on a certain missile. The main function of the system is to give the aircraft the mission planning to improve the survival capability, which based on the ingredients, such as, the flight task, enemy terrain, flight performance, the target, etc.The main contributions of the thesis are summarized as follows:Firstly, it gives the whole design of the low altitude penetration system. Secondly, it adopts random arithmetic to create three-dimensional terrain, and creates threat models according to the character of the threats.Thirdly, the thesis gives the arithmetic of route planning based on the terrain and threat. The optimal path is satisfied with the performance of the aircraft. Meanwhile, it can greatly avoid the threat.Fourthly, according to the pneumatic parameter, it creates the model and steady loop of the aircraft to get control low.Fifthly, the aircraft adopts Strapdown Inertial Navigation to give navigation information, which has the error increased by time. To eliminate the error and give more accurate navigation information, it adopts Terrain Contour Mapping technique in the thesis.Finally, it gives the design of flight trajectory controller. The controller gives the instruction to make the aircraft follow the optimal path accurately. During the process, it considers the actual state of the aircraft, referenced path and the flight control system of the aircraft.The simulation results demonstrate the algorithms adopted in the thesis work well. The system is valuable in the project.