Journal of Systems Engineering and Electronics ›› 2010, Vol. 32 ›› Issue (4): 799-802.

• 系统工程 • 上一篇    下一篇

光学制导巡航导弹实时航迹规划方法

黄俊,于雷,陈中起,任波,张斌   

  1. (空军工程大学工程学院, 陕西 西安  710038)
  • 出版日期:2010-04-23 发布日期:2010-01-03

Real-time path planning for optic-guided cruise missiles

HUANG Jun, YU Lei, CHEN Zhong-qi, REN Bo, ZHANG Bin   

  1. (Engineering Inst., Air Force Engineering Univ., Xi’an 710038, China)
  • Online:2010-04-23 Published:2010-01-03

摘要:

针对光学制导巡航导弹的特点提出了一种实时航迹规划方法。建立了导引头受太阳逆光限制下的可飞航向角区域模型,结合可飞航向角与导弹的其他飞行约束条件对A*算法的搜索空间进行了规划。针对传统A*算法在规划前对所有地形进行平滑的低效规划方法,提出只对航迹每一步可行搜索方向上的地形进行实时平滑的A*算法,从而把对地形的平滑融入了每一步航迹的搜索过程。仿真结果表明,提出的航迹规划方法完全适用于光学制导巡航导弹,且在相同的条件下,实时平滑A*算法比传统A*算法的搜索效率更高。

Abstract:

According to the character of optic-uided cruise missiles, a real-ime path planning scheme is presented. A model of permitted course area of missiles is established under contrary light conditions, and combining it with the other flight constraint conditions of cruise missiles, the search space of the A* algorithm is planned. Aiming at the inefficient planning way of smoothing all the digital terrain in the traditional A* algorithm, a new A* algorithm which only real-time smooths the possible path by each search step is proposed. Simulation results show that the new A* algorithm is suitable for optic-guided cruise missiles and has more efficiencythan the traditional one.