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基于四元数法变换的末敏弹扫描运动研究
引用本文:李臣明,韩子鹏,刘怡昕,顾建平.基于四元数法变换的末敏弹扫描运动研究[J].兵工学报,2009,30(4):389-393.
作者姓名:李臣明  韩子鹏  刘怡昕  顾建平
作者单位:1.炮兵学院南京分院,江苏南京211132; 2.南京理工大学动力工程学院,江苏南京210094 3.南京工程学院材料工程学院,江苏南京211167
摘    要:针对用欧拉角方程描述末敏弹旋转扫描运动时可能会因出现奇异点而退化的问题,采用四元数表示末敏子弹弹体的欧拉角和欧拉方程,对末敏子弹的运动学方程组进行了变换。为了验证四元数变换模型的正确性和在描述末敏弹稳态扫描运动时的优点,用欧拉方程组模型与四元数变换模型进行了对比仿真。仿真结果表明,基于四元数法变换的弹道模型能够正确反映末敏弹稳态扫描的物理规律,可以很好地形成所需扫描轨迹,在计算中不会出现奇点,比欧拉方程模型更适于描述末敏弹扫描的大幅度不确定姿态运动。

关 键 词:基础力学      弹道      末敏子弹      奇点      四元数      稳态扫描  

Study on Stable Scanning of Terminal Sensing Ammunition Based on Quaternion Amendment
LI Chen-ming,HAN Zi-peng,LIU Yi-xin,GU Jian-ping.Study on Stable Scanning of Terminal Sensing Ammunition Based on Quaternion Amendment[J].Acta Armamentarii,2009,30(4):389-393.
Authors:LI Chen-ming  HAN Zi-peng  LIU Yi-xin  GU Jian-ping
Affiliation:1.Nanjing Artillery Academy of PLA, Nanjing 211132,Jiangsu, China; 2.School of Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China; 3. School of Material Engineering, Nanjing Institute of Technology, Nanjing 211167,Jiangsu, China
Abstract:Taking aim at the problem that there are singular points in the program under the condition that using Euler angles to describe the revolving motion of terminal sensing ammunition,the Euler angles are expressed by the quaternion and the Euler kinematics equation team is amended by the quaternion.The contrastive simulation was done in order to validate the correctness and advantage of describing the revolving motion of terminal sensing ammunition.The simulated results show that we can get stable solutions by...
Keywords:foundation mechanics  ballistics  terminal sensing ammunition  singular point  quaternion  stable scanning  
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