High-precision and high-efficiency aircraft trajectory optimization and guidance switching method and system

Abstract

The invention belongs to the technical field of aircrafts, and discloses a high-precision and high-efficiency aircraft trajectory optimization and guidance switching method and system. The high-precision and high-efficiency aircraft trajectory optimization and guidance switching system comprises a data acquisition module, a data preprocessing module, a central control module, an optimization area defining module, a trajectory optimization model building module, an initialization module, a trajectory optimization module, a guidance switching module, a data storage module and an update display module. According to the invention, the trajectory optimization module utilizes the high-precision and high-efficiency aircraft trajectory optimization model to realize optimization processing of the aircraft trajectory, so that the precision of high-precision and high-efficiency aircraft trajectory optimization is improved, and high accuracy and high agility of a high-precision and high-efficiency aircraft precise strike task are ensured. Meanwhile, a multi-mode switching guidance law conforming to the current flight environment situation is formed through a guidance switching module by adopting a nonlinear model prediction control method, and the obstacle avoidance efficiency of the high-precision and high-efficiency aircraft is improved.

Description

technical field [0001] The invention belongs to the technical field of aircraft, and in particular relates to a high-precision and high-efficiency aircraft trajectory optimization and guidance switching method and system. Background technique [0002] At present, aircraft can achieve global rapid and precise strikes and reach missions, and its related technologies have attracted extensive attention from global military powers, and have become an extremely important development direction in the world's aerospace field. With its extremely high flight speed and long-span flight distance, aircraft has very important significance in military strategy, and is increasingly valued by countries all over the world. [0003] In the study of aircraft, trajectory optimization and tracking guidance is a significant topic, especially complex flight missions require the aircraft to have the ability to plan trajectory autonomously. The trajectory optimization of the re-entry segment of the ...

AI Technical Summary

Problems solved by technology

[0004] Through the above analysis, the problems and defects of the existing technology are: the accuracy of trajectory optimization and guidance switching of the existing aircraft is low, which easily leads to errors in the precision strike mission of the aircraft

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