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Trajectory Optimization Research for Short-Range Multi-Task Ballistic Missile

Author: ZhangFeiTian
Tutor: WangZiCai
School: Harbin Institute of Technology
Course: Control Science and Engineering
Keywords: Trajectory Optimization Genetic Algorithms Simplex Six degrees of freedom simulation
CLC: TJ761.3
Type: Master's thesis
Year: 2009
Downloads: 366
Quote: 1
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Abstract


Since World War II, after the birth of the German V2 ballistic missiles , ballistic missiles as a strategic weapon of mass destruction for its huge , destructive and deterrence by the world 's attention, particularly the recent arms fire full coverage of the proposed idea and accompanied by a U.S. \Ballistic missile trajectory simulation and optimization is an important part of the overall design , throughout all stages of the development of ballistic missiles . This article is mainly for short-range ballistic missile design requirements for ballistic trajectory simulation and optimization carried out the following research work. Firstly, according to the dynamics of ballistic missiles , the establishment of missile flight dynamics, kinematics model , and for the trajectory optimization problem , ignoring the secondary factors , a reasonable assumption , deduced a simplified model for ballistic design . Secondly, the analysis of the nature of the problem trajectory optimization to dynamic optimization problem, using the general analytical optimization method is difficult to obtain the optimal solution . This article was based ballistic missile flight characteristics as well as experience in the design analysis, research and finally adopted the parametric method, the trajectory segment design, the original problem is converted to parameter optimization problem. Then, the analysis of a variety of nonlinear optimization methods and trajectory optimization problem for this article using genetic algorithm and simplex algorithm converted parameter optimization problem solving, given a reasonable optimal solution, obtained theoretical trajectory. Finally, in six degrees of freedom model, the ballistic phase of the program and homing phase were used outside the ring proportional navigation guidance control and overload control method , completing the full trajectory simulation experiments , and for the case of target maneuver also conducted simulation experiments . Six degrees of freedom simulation results show that trajectory designed to meet mission requirements , verify the correctness and rationality of the design trajectory .

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CLC: > Industrial Technology > Arms industry > Rockets, missiles > Missile > Missiles : the range,the role of structural distinctions > Ballistic missile
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