多管火箭射击精度仿真试验新方法

New Method for Simulating the Precision of Fire of MLRS

该文提出了多管火箭射击精度的仿真试验新思路,构造了射击精度仿真试验的基本框架。对多管火箭射击精度仿真试验的研究内容、研究方法和技术途径进行了论述,表明系统仿真模型的校核、验证和确认是关键。提出应用多体系统传递矩阵法,建立刚柔耦合多管火箭动力学模型,通过建立增广特征矢量,获得其正交性条件,实现对多管火箭振动特性和动力响应的精确分析的仿真算法。结合简易控制和弹道理论,建立多管火箭射击精度仿真系统。应用最大熵方法,形成了多管火箭射击精度仿真试验的新方法。

A new test idea for simulating the precision of fire of Multiple Launc h Rocket System(MLRS) is presented in the paper. The basic frame of simulation t est for precision of fire is introduced. The contents, methods and t e chnologic approach of simulation test for precision of fire of MLRS are discusse d. It shows that the verification, validation and accreditation of simulation mo del are very important. The simulation algorithm is presented. The dynamic model coupling the rigid bodies with elastic bodies of MLRS is established by using t he tran sfer matrix method of multibody system. By developing augmented eigenvector, the orthogonality conditions are acquired. The exact analysis of the vibration char acteristics and dynamics response of the MLRS is realized. Combining the simple control and ballistic theory, the simulation system of precision of fire of MLRS is established. By using the maximum entropy method, the new test me thod for simulating the precision of fire of MLRS is developed.