Optimal design method for trajectory robust

Abstract

The invention relates to an optimal design method for robust, especially to an optimal design method for missle trajectory robust, belonging to the technical field of missle trajectory design. The invention determines an expression of each section of missile-making command according to total missile-making request of a weapon system and sets parameters to be determined and switching conditions ofeach missile-making section in each command expression to be the parameters to be optimized. Under a series of constraint conditions of the weapon system, in consideration of various main interference factors in the missile-flying process, a method for combining a maximum and minimum optimization method and a genetic algorithm optimization method is adopted to optimally design each trajectory parameter. The optimized trajectory has very strong robustness and optimality. Human trial-and-error factors are greatly reduced in the design process; the design period is short so that the engineering is conveniently realized; and the method can be widely applied to trajectory design of various missiles and has important military application prospect.

Description

technical field [0001] The invention relates to a robust optimization method, in particular to a robust optimization method for missile trajectory, and belongs to the technical field of missile trajectory design. Background technique [0002] The optimal ballistic design technology that meets the combat requirements of weapon systems has always been a research focus in the field of missile ballistic design. The ultimate goal of missile trajectory design is to enable the missile to accurately hit the target under certain constraints and interference conditions, that is, the amount of misses is minimized. Sometimes the missile is required to hit the target at a certain angle of attack to increase the hitting power and improve strike effectiveness. . [0003] During the flight, some missiles use one guidance command mode throughout the whole process, and some use different guidance command modes at different stages, and switch according to certain conditions. Some people use ...

AI Technical Summary

Problems solved by technology

Some people use artificial trial and error to design ballistic parameters, the design cycle is long, and the optimality cannot be achieved; some people also use optimization methods to optimize the ballistic parameters, but only find the optimal parameters when the missile is undisturbed. The ballistic parameters lack robustness. Once the initial disturbance of the missile and the fluctuation of aerodynamic parameters are added, the amount of miss will increase, and may even cause the missile to miss the target or the hit angle cannot meet the requirements; Some people also design each guidance section separately, formulate the optimization target of each section according to the final strike accuracy, and design the optimization parameters of each section in isolation, so that the combined ballistic parameters are not the optimal ballistic parameters, that is, the strike performance is not optimal

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