Research On Target Assignment And Cooperative Interception In Anti-ballistic Missile Process

With the increasing construction of nuclear deterrence and nuclear counterattack operational systems,the increasing demand for the development and innovation of ballistic missile offensive and defense technology,the rapid development of ballistic missile penetration style and anti-missile operations,the research on ballistic missile penetration and anti-missile operations is becoming more and more popular.At present,the main interception method of ballistic missile is terminal interception,and the maneuverability of interceptor missile is generally better than that of ballistic missile.This dissertation studies the terminal intercept strategy of ballistic missile,and assumes that the reentry warhead is in high speed maneuvering state and its maneuvering performance is better than that of the interceptor missile under certain scenarios.For multiple terminal ballistic missile targets,this dissertation focuses on the collaborative interception scenario of multiple inferior interceptor missiles,and the specific research results are as follows:(1)Aiming at the assignment problem of multiple interceptors and multiple targets in the process of anti-ballistic missiles,based on the analysis of interceptor missiles and ballistic missile targets,an interceptor-target assignment model is established,and a target assignment scheme based on the fusion of genetic algorithm and particle swarm optimization is proposed.The many-to-many interception problem is decomposed into multiple many-to-one cooperative guidance problems.First,the assignment criteria of the target assignment model are focused on all interceptor missiles reaching the target at the same time and faster.Limited by the constraints of the assignment model,in order to ensure the timeliness of the algorithm,an improved genetic algorithm is used to initially allocate the assignment model.Then,the initial distribution result is substituted into the improved particle swarm optimization for re-optimization,which ensures the accuracy of the final result and realizes the scheduling of interceptor bombs among various firepower units.Finally,comparative experiments show that compared with improved genetic algorithm and particle swarm optimization,the final solution of the fusion algorithm is better,the convergence speed is faster,and the performance is better.The accuracy of the fusion algorithm is verified by the enumeration exact solution.(2)Aiming at the problem of many-to-one coordinated interception in the process of antiballistic missiles,a multi-projectile coordinated interception model was established.Taking into account the high-speed maneuver characteristics of the terminal reentry target,a cooperative interception strategy based on reachable set coverage is proposed,which achieved the purpose of multiple inferior interceptors cooperating to intercept the same ballistic missile multiple.Firstly,according to the initial situation,the cooperative coverage strategy of the multiinterceptor reachable set is determined,and according to the common coverage deviation in the process of searching,an adaptive adjustment mechanism is designed to deal with the common deviation,and the dynamic adjustment of the joint reachable set is realized.Then,according to the difference between the expected zero effort miss distance and the actual zero effort miss distance determined by the coverage strategy of reachable set,the direction change of the guidance overload is driven,and the guidance law is designed.Finally,the simulation results show that compared with the augmented proportional guidance law and the differential game guidance law,the guidance performance of the cooperative interception strategy is better,and its robustness is better when dealing with different situations such as target maneuvering mode,delay and initial engagement state.(3)In order to better study the anti-missile offensive and defensive process,this paper builds an anti-missile offensive and defensive process simulation platform based on the visual simulation system and the application of the previous research results.Firstly,the function and demand of the platform are analyzed,and the overall architecture of the software is designed according to the functional needs of the software level.Then,based on the simulation deduction capability of the visual simulation system,combining the characteristics of anti-ballistic missile offensive and defensive mission,according to the preset algorithm,the simulation deduction of the anti-ballistic missile offensive and defensive process is realized.Finally,the application shows that the simulation platform can well realize the simulation of the anti-missile offensive and defense process,which can not only be used in the research process of the algorithm in this paper,but also has considerable versatility,and can be widely used in the research of the application law of ballistic missile penetration and anti-missile operations.Combining the characteristics of anti-ballistic missile combat missions,this dissertation takes into account the constraints of the assignment model and the uncertainty of the interception model confrontation process.The proposed many-to-many target assignment method and many-to-one cooperative interception strategy have been verified by simulation,and successfully applied to the anti-missile offensive and defensive process simulation platform.The research results have a certain degree of innovation and engineering practical value,which can improve the combat effectiveness of anti-ballistic missiles to a certain extent.