An Unmanned Spacecraft Launch Device Software Design And Implementation

Unmanned aerial vehicle launcher to provide launch platform for aircraft,and according to the instructions in accordance with the specific control law of motion,for the aircraft to provide tracking of targets and emission of the initial shot is one of an important part of the system.With the development of the level of defense modernization and the continuous improvement of the user ’s usage,the system has put forward higher and higher requirement for the high precision,integration,miniaturization and intelligence of the launching device.At present,the basic function of the launching device can meet the system requirements,but in high accuracy,safety and other aspects of the performance,the use of different requirements and design assessment is not sufficient and other factors,there are still some shortcomings and further development needs.In the field of military and some civilian areas,the high level of the launching device has important research and development significance and broad market demand.In the case of the same system principle and hardware level,the design and development level of the launching device software determines the final level of the launching device.The research aimed at the system design and implementation of the unmanned aerial vehicle launcher software is studied,aiming at improving the security of the launching device,improving the servo accuracy and optimizing the structure of the software.The paper first introduces the background and significance of the subject,the main control method of the launch device is introduced,through the analysis of several different technical solutions,and then get the concrete technology implementation way.The emphasis is focused on the servo control law of the launching device,and the safety control strategy is studied.Key of emission device software servo control law,safety control strategy design were studied.Combined with the subject of the actual load,through the comparative study of th e commonly used control algorithm,the design and the development of the compound controller PID+feedforward.The security control strategy is divided into the aim chain control,the angle limit,the maximum acceleration limit and the equipment self check and abnormal response and so on,the following results have been achieved:(1)The servo performance of the launching device is improved,and the dynamic tracking accuracy of the product is raised to about 3mrad to 1 mrad;(2)The design of the “No targeting curve” is designed to solve the problem of the safety of the fault or the equipment damage caused by the numerical value of the input command;(3)Through the design of the aim chain judgement,the angular acceleration limit,the abnormal response and so on,to ensure tha t the transmission device in the work process is always reliable,controlled and improved the safety and reliability of the product.Finally,through the test of several stages,the function and the performance of the launching device software are verified,and the expected results are achieved.